/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_bench-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 09:07:36,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 09:07:36,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 09:07:36,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 09:07:36,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 09:07:36,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 09:07:36,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 09:07:36,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 09:07:36,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 09:07:36,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 09:07:36,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 09:07:36,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 09:07:36,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 09:07:36,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 09:07:36,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 09:07:36,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 09:07:36,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 09:07:36,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 09:07:36,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 09:07:36,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 09:07:36,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 09:07:36,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 09:07:36,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 09:07:36,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 09:07:36,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 09:07:36,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 09:07:36,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 09:07:36,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 09:07:36,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 09:07:36,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 09:07:36,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 09:07:36,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 09:07:36,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 09:07:36,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 09:07:36,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 09:07:36,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 09:07:36,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 09:07:36,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 09:07:36,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 09:07:36,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 09:07:36,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 09:07:36,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2021-03-11 09:07:36,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 09:07:36,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 09:07:36,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 09:07:36,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 09:07:36,949 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 09:07:36,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 09:07:36,950 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 09:07:36,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 09:07:36,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 09:07:36,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 09:07:36,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 09:07:36,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 09:07:36,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 09:07:36,951 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 09:07:36,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 09:07:36,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 09:07:36,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 09:07:36,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 09:07:36,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 09:07:36,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 09:07:36,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 09:07:36,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 09:07:36,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 09:07:36,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 09:07:36,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 09:07:36,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 09:07:36,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 09:07:36,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 09:07:36,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 09:07:37,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 09:07:37,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 09:07:37,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 09:07:37,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 09:07:37,216 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 09:07:37,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench-1.i [2021-03-11 09:07:37,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4368d0bf7/77a2e6477fa445a59ea6ddd40a6bedd6/FLAGd366a5381 [2021-03-11 09:07:37,685 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 09:07:37,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-1.i [2021-03-11 09:07:37,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4368d0bf7/77a2e6477fa445a59ea6ddd40a6bedd6/FLAGd366a5381 [2021-03-11 09:07:37,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4368d0bf7/77a2e6477fa445a59ea6ddd40a6bedd6 [2021-03-11 09:07:37,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 09:07:37,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 09:07:37,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 09:07:37,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 09:07:37,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 09:07:37,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:07:37" (1/1) ... [2021-03-11 09:07:37,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a85da15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:37, skipping insertion in model container [2021-03-11 09:07:37,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:07:37" (1/1) ... [2021-03-11 09:07:37,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 09:07:37,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 09:07:38,040 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-1.i[30920,30933] [2021-03-11 09:07:38,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:07:38,046 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 09:07:38,088 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-1.i[30920,30933] [2021-03-11 09:07:38,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:07:38,122 INFO L208 MainTranslator]: Completed translation [2021-03-11 09:07:38,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38 WrapperNode [2021-03-11 09:07:38,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 09:07:38,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 09:07:38,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 09:07:38,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 09:07:38,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 09:07:38,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 09:07:38,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 09:07:38,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 09:07:38,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... [2021-03-11 09:07:38,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 09:07:38,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 09:07:38,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 09:07:38,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 09:07:38,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 09:07:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-03-11 09:07:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-03-11 09:07:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-03-11 09:07:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-03-11 09:07:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 09:07:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 09:07:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 09:07:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 09:07:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 09:07:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 09:07:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 09:07:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 09:07:38,211 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 09:07:38,447 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 09:07:38,448 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-03-11 09:07:38,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:07:38 BoogieIcfgContainer [2021-03-11 09:07:38,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 09:07:38,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 09:07:38,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 09:07:38,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 09:07:38,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 09:07:37" (1/3) ... [2021-03-11 09:07:38,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74747af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:07:38, skipping insertion in model container [2021-03-11 09:07:38,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:07:38" (2/3) ... [2021-03-11 09:07:38,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74747af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:07:38, skipping insertion in model container [2021-03-11 09:07:38,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:07:38" (3/3) ... [2021-03-11 09:07:38,453 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench-1.i [2021-03-11 09:07:38,457 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 09:07:38,457 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 09:07:38,460 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 09:07:38,460 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 09:07:38,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,482 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,482 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,483 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,483 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,483 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,488 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,488 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,489 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,489 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,489 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,489 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,491 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,491 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,491 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,491 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,491 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,491 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,492 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,493 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,493 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,494 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,494 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,500 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,500 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,500 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:07:38,502 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 09:07:38,512 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-11 09:07:38,531 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 09:07:38,532 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 09:07:38,532 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 09:07:38,532 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 09:07:38,532 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 09:07:38,532 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 09:07:38,533 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 09:07:38,533 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 09:07:38,541 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 09:07:38,547 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 62 transitions, 134 flow [2021-03-11 09:07:38,549 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 62 transitions, 134 flow [2021-03-11 09:07:38,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 62 transitions, 134 flow [2021-03-11 09:07:38,591 INFO L129 PetriNetUnfolder]: 5/60 cut-off events. [2021-03-11 09:07:38,591 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 09:07:38,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 60 events. 5/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 90 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-03-11 09:07:38,596 INFO L116 LiptonReduction]: Number of co-enabled transitions 1080 [2021-03-11 09:07:40,168 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2021-03-11 09:07:40,424 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2021-03-11 09:07:40,522 INFO L131 LiptonReduction]: Checked pairs total: 1079 [2021-03-11 09:07:40,522 INFO L133 LiptonReduction]: Total number of compositions: 55 [2021-03-11 09:07:40,527 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 20 places, 15 transitions, 40 flow [2021-03-11 09:07:40,532 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44 states, 42 states have (on average 2.6904761904761907) internal successors, (113), 43 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 2.6904761904761907) internal successors, (113), 43 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-03-11 09:07:40,536 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:40,536 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-11 09:07:40,537 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:40,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:40,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1098041462, now seen corresponding path program 1 times [2021-03-11 09:07:40,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:40,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718590757] [2021-03-11 09:07:40,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:40,666 INFO L142 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size [2021-03-11 09:07:40,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:40,673 INFO L142 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-03-11 09:07:40,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:40,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718590757] [2021-03-11 09:07:40,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:07:40,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 09:07:40,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262983106] [2021-03-11 09:07:40,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 09:07:40,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:40,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 09:07:40,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 09:07:40,701 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 2.6904761904761907) internal successors, (113), 43 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:40,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:40,746 INFO L93 Difference]: Finished difference Result 83 states and 212 transitions. [2021-03-11 09:07:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 09:07:40,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-03-11 09:07:40,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:40,753 INFO L225 Difference]: With dead ends: 83 [2021-03-11 09:07:40,753 INFO L226 Difference]: Without dead ends: 54 [2021-03-11 09:07:40,754 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:07:40,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-03-11 09:07:40,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2021-03-11 09:07:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 2.4489795918367347) internal successors, (120), 49 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 120 transitions. [2021-03-11 09:07:40,790 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 120 transitions. Word has length 6 [2021-03-11 09:07:40,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:40,791 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 120 transitions. [2021-03-11 09:07:40,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 120 transitions. [2021-03-11 09:07:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-03-11 09:07:40,792 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:40,792 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:40,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 09:07:40,792 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:40,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1988483954, now seen corresponding path program 1 times [2021-03-11 09:07:40,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:40,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014004476] [2021-03-11 09:07:40,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:40,864 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:07:40,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:40,869 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-03-11 09:07:40,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:40,881 INFO L142 QuantifierPusher]: treesize reduction 10, result has 41.2 percent of original size [2021-03-11 09:07:40,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:40,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014004476] [2021-03-11 09:07:40,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:07:40,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:07:40,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625456473] [2021-03-11 09:07:40,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:07:40,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:40,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:07:40,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:07:40,891 INFO L87 Difference]: Start difference. First operand 50 states and 120 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:40,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:40,923 INFO L93 Difference]: Finished difference Result 80 states and 186 transitions. [2021-03-11 09:07:40,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:07:40,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-03-11 09:07:40,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:40,924 INFO L225 Difference]: With dead ends: 80 [2021-03-11 09:07:40,924 INFO L226 Difference]: Without dead ends: 75 [2021-03-11 09:07:40,924 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:07:40,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-03-11 09:07:40,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 55. [2021-03-11 09:07:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 2.5185185185185186) internal successors, (136), 54 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 136 transitions. [2021-03-11 09:07:40,930 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 136 transitions. Word has length 8 [2021-03-11 09:07:40,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:40,930 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 136 transitions. [2021-03-11 09:07:40,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 136 transitions. [2021-03-11 09:07:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-03-11 09:07:40,931 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:40,931 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:40,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 09:07:40,931 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:40,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:40,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1344108220, now seen corresponding path program 1 times [2021-03-11 09:07:40,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:40,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326623817] [2021-03-11 09:07:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:40,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:40,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:40,974 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:07:40,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:40,980 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:40,981 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:40,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326623817] [2021-03-11 09:07:40,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:07:40,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:07:40,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105423054] [2021-03-11 09:07:40,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:07:40,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:40,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:07:40,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:07:40,990 INFO L87 Difference]: Start difference. First operand 55 states and 136 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:41,005 INFO L93 Difference]: Finished difference Result 73 states and 170 transitions. [2021-03-11 09:07:41,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 09:07:41,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-03-11 09:07:41,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:41,006 INFO L225 Difference]: With dead ends: 73 [2021-03-11 09:07:41,006 INFO L226 Difference]: Without dead ends: 70 [2021-03-11 09:07:41,006 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:07:41,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-03-11 09:07:41,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 64. [2021-03-11 09:07:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 2.4126984126984126) internal successors, (152), 63 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 152 transitions. [2021-03-11 09:07:41,012 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 152 transitions. Word has length 8 [2021-03-11 09:07:41,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:41,013 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 152 transitions. [2021-03-11 09:07:41,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,013 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 152 transitions. [2021-03-11 09:07:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-03-11 09:07:41,013 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:41,014 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:41,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 09:07:41,014 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:41,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:41,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1344389080, now seen corresponding path program 2 times [2021-03-11 09:07:41,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:41,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562108804] [2021-03-11 09:07:41,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:41,040 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:41,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,044 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-11 09:07:41,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:41,053 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:41,053 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:41,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562108804] [2021-03-11 09:07:41,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:07:41,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:07:41,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904541476] [2021-03-11 09:07:41,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:07:41,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:41,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:07:41,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:07:41,062 INFO L87 Difference]: Start difference. First operand 64 states and 152 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:41,101 INFO L93 Difference]: Finished difference Result 86 states and 202 transitions. [2021-03-11 09:07:41,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:07:41,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-03-11 09:07:41,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:41,103 INFO L225 Difference]: With dead ends: 86 [2021-03-11 09:07:41,103 INFO L226 Difference]: Without dead ends: 80 [2021-03-11 09:07:41,104 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.9ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:07:41,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-03-11 09:07:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 66. [2021-03-11 09:07:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 2.4153846153846152) internal successors, (157), 65 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 157 transitions. [2021-03-11 09:07:41,108 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 157 transitions. Word has length 8 [2021-03-11 09:07:41,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:41,108 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 157 transitions. [2021-03-11 09:07:41,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 157 transitions. [2021-03-11 09:07:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 09:07:41,108 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:41,109 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:41,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 09:07:41,109 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:41,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:41,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1540754409, now seen corresponding path program 2 times [2021-03-11 09:07:41,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:41,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70758898] [2021-03-11 09:07:41,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:41,157 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:07:41,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,170 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-03-11 09:07:41,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:41,176 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-11 09:07:41,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:41,194 INFO L142 QuantifierPusher]: treesize reduction 10, result has 41.2 percent of original size [2021-03-11 09:07:41,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:41,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70758898] [2021-03-11 09:07:41,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082436335] [2021-03-11 09:07:41,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:41,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:41,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:41,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-11 09:07:41,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:41,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:41,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:41,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:41,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:41,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:41,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:41,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:41,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:41,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:41,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:41,381 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-11 09:07:41,383 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:07:41,386 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:41,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:41,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:41,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:41,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-11 09:07:41,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160183639] [2021-03-11 09:07:41,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 09:07:41,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:41,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 09:07:41,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-11 09:07:41,403 INFO L87 Difference]: Start difference. First operand 66 states and 157 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:41,510 INFO L93 Difference]: Finished difference Result 121 states and 281 transitions. [2021-03-11 09:07:41,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 09:07:41,510 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-03-11 09:07:41,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:41,511 INFO L225 Difference]: With dead ends: 121 [2021-03-11 09:07:41,511 INFO L226 Difference]: Without dead ends: 113 [2021-03-11 09:07:41,511 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 136.1ms TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-03-11 09:07:41,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 76. [2021-03-11 09:07:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 2.52) internal successors, (189), 75 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 189 transitions. [2021-03-11 09:07:41,516 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 189 transitions. Word has length 9 [2021-03-11 09:07:41,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:41,516 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 189 transitions. [2021-03-11 09:07:41,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 189 transitions. [2021-03-11 09:07:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 09:07:41,517 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:41,517 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:41,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:41,739 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:41,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:41,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1282317770, now seen corresponding path program 3 times [2021-03-11 09:07:41,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:41,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388978611] [2021-03-11 09:07:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:41,769 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:41,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,777 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:07:41,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:41,784 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:41,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:41,791 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:41,792 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:41,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388978611] [2021-03-11 09:07:41,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595075730] [2021-03-11 09:07:41,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:41,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-11 09:07:41,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:41,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-11 09:07:41,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:41,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:41,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:41,906 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:07:41,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:41,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:41,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:41,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:41,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:41,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:41,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:41,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:41,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:41,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:41,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:41,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:41,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:41,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:41,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:41,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:41,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:41,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:41,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:41,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:41,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-11 09:07:41,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959586690] [2021-03-11 09:07:41,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 09:07:41,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:41,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 09:07:41,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-03-11 09:07:41,968 INFO L87 Difference]: Start difference. First operand 76 states and 189 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:42,008 INFO L93 Difference]: Finished difference Result 89 states and 215 transitions. [2021-03-11 09:07:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 09:07:42,008 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-03-11 09:07:42,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:42,009 INFO L225 Difference]: With dead ends: 89 [2021-03-11 09:07:42,010 INFO L226 Difference]: Without dead ends: 86 [2021-03-11 09:07:42,010 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 53.8ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-03-11 09:07:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-03-11 09:07:42,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 79. [2021-03-11 09:07:42,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 2.5) internal successors, (195), 78 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 195 transitions. [2021-03-11 09:07:42,016 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 195 transitions. Word has length 9 [2021-03-11 09:07:42,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:42,016 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 195 transitions. [2021-03-11 09:07:42,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 195 transitions. [2021-03-11 09:07:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 09:07:42,017 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:42,017 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:42,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:42,231 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:42,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:42,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1273611110, now seen corresponding path program 4 times [2021-03-11 09:07:42,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:42,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106209942] [2021-03-11 09:07:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:42,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:42,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,265 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:42,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,270 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:42,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:42,278 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:42,278 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:42,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106209942] [2021-03-11 09:07:42,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132050268] [2021-03-11 09:07:42,287 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:42,339 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:07:42,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:42,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-11 09:07:42,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:42,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:42,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:42,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:42,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:42,379 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:42,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:42,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:42,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:42,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:42,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:42,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:42,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:42,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:42,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-11 09:07:42,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545383165] [2021-03-11 09:07:42,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 09:07:42,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:42,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 09:07:42,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-11 09:07:42,420 INFO L87 Difference]: Start difference. First operand 79 states and 195 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:42,452 INFO L93 Difference]: Finished difference Result 95 states and 229 transitions. [2021-03-11 09:07:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:07:42,452 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-03-11 09:07:42,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:42,453 INFO L225 Difference]: With dead ends: 95 [2021-03-11 09:07:42,453 INFO L226 Difference]: Without dead ends: 92 [2021-03-11 09:07:42,454 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 51.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-03-11 09:07:42,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-03-11 09:07:42,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 81. [2021-03-11 09:07:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 2.525) internal successors, (202), 80 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 202 transitions. [2021-03-11 09:07:42,464 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 202 transitions. Word has length 9 [2021-03-11 09:07:42,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:42,465 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 202 transitions. [2021-03-11 09:07:42,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 202 transitions. [2021-03-11 09:07:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 09:07:42,467 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:42,467 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:42,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:42,679 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:42,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1273589720, now seen corresponding path program 5 times [2021-03-11 09:07:42,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:42,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578241638] [2021-03-11 09:07:42,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:42,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:42,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,704 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:42,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,713 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-11 09:07:42,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:42,722 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:42,722 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:42,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578241638] [2021-03-11 09:07:42,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253927722] [2021-03-11 09:07:42,730 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:42,784 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:42,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:42,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-11 09:07:42,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:42,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:42,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:42,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:42,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:42,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:42,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:42,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:42,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:42,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:42,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:42,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:42,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:42,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:07:42,845 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-03-11 09:07:42,848 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:42,848 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:42,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:42,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-11 09:07:42,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427137879] [2021-03-11 09:07:42,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 09:07:42,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:42,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 09:07:42,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-11 09:07:42,858 INFO L87 Difference]: Start difference. First operand 81 states and 202 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:42,938 INFO L93 Difference]: Finished difference Result 120 states and 291 transitions. [2021-03-11 09:07:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:07:42,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-03-11 09:07:42,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:42,940 INFO L225 Difference]: With dead ends: 120 [2021-03-11 09:07:42,940 INFO L226 Difference]: Without dead ends: 108 [2021-03-11 09:07:42,942 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 95.6ms TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-03-11 09:07:42,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 88. [2021-03-11 09:07:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 2.5632183908045976) internal successors, (223), 87 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 223 transitions. [2021-03-11 09:07:42,954 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 223 transitions. Word has length 9 [2021-03-11 09:07:42,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:42,954 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 223 transitions. [2021-03-11 09:07:42,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 223 transitions. [2021-03-11 09:07:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-03-11 09:07:42,957 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:42,957 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:43,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:43,163 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:43,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:43,164 INFO L82 PathProgramCache]: Analyzing trace with hash -327368540, now seen corresponding path program 1 times [2021-03-11 09:07:43,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:43,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478915297] [2021-03-11 09:07:43,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:43,187 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:43,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,192 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:07:43,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:43,196 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 09:07:43,197 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-03-11 09:07:43,206 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:43,207 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:43,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478915297] [2021-03-11 09:07:43,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:07:43,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:07:43,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162251140] [2021-03-11 09:07:43,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 09:07:43,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:43,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 09:07:43,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 09:07:43,216 INFO L87 Difference]: Start difference. First operand 88 states and 223 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:43,244 INFO L93 Difference]: Finished difference Result 107 states and 259 transitions. [2021-03-11 09:07:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:07:43,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-03-11 09:07:43,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:43,245 INFO L225 Difference]: With dead ends: 107 [2021-03-11 09:07:43,245 INFO L226 Difference]: Without dead ends: 105 [2021-03-11 09:07:43,245 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 30.0ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:07:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-03-11 09:07:43,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 94. [2021-03-11 09:07:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 2.5053763440860215) internal successors, (233), 93 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 233 transitions. [2021-03-11 09:07:43,253 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 233 transitions. Word has length 10 [2021-03-11 09:07:43,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:43,253 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 233 transitions. [2021-03-11 09:07:43,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 233 transitions. [2021-03-11 09:07:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-03-11 09:07:43,254 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:43,254 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:43,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 09:07:43,255 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:43,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:43,255 INFO L82 PathProgramCache]: Analyzing trace with hash -327087680, now seen corresponding path program 2 times [2021-03-11 09:07:43,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:43,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131524643] [2021-03-11 09:07:43,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:43,290 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:43,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,293 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:07:43,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:43,298 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:07:43,299 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:43,307 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:43,308 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:43,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131524643] [2021-03-11 09:07:43,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:07:43,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:07:43,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16988788] [2021-03-11 09:07:43,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 09:07:43,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:43,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 09:07:43,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 09:07:43,316 INFO L87 Difference]: Start difference. First operand 94 states and 233 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:43,360 INFO L93 Difference]: Finished difference Result 122 states and 289 transitions. [2021-03-11 09:07:43,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:07:43,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-03-11 09:07:43,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:43,361 INFO L225 Difference]: With dead ends: 122 [2021-03-11 09:07:43,361 INFO L226 Difference]: Without dead ends: 117 [2021-03-11 09:07:43,361 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.3ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:07:43,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-03-11 09:07:43,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 93. [2021-03-11 09:07:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 2.510869565217391) internal successors, (231), 92 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 231 transitions. [2021-03-11 09:07:43,366 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 231 transitions. Word has length 10 [2021-03-11 09:07:43,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:43,366 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 231 transitions. [2021-03-11 09:07:43,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,366 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 231 transitions. [2021-03-11 09:07:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-03-11 09:07:43,366 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:43,366 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:43,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 09:07:43,366 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:43,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:43,366 INFO L82 PathProgramCache]: Analyzing trace with hash -778399544, now seen corresponding path program 3 times [2021-03-11 09:07:43,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:43,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524781076] [2021-03-11 09:07:43,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:43,399 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,405 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:43,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:43,411 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:07:43,411 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:43,420 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:43,420 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:43,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524781076] [2021-03-11 09:07:43,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:07:43,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:07:43,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770732032] [2021-03-11 09:07:43,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 09:07:43,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:43,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 09:07:43,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 09:07:43,430 INFO L87 Difference]: Start difference. First operand 93 states and 231 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:43,474 INFO L93 Difference]: Finished difference Result 115 states and 275 transitions. [2021-03-11 09:07:43,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:07:43,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-03-11 09:07:43,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:43,475 INFO L225 Difference]: With dead ends: 115 [2021-03-11 09:07:43,476 INFO L226 Difference]: Without dead ends: 110 [2021-03-11 09:07:43,476 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 45.4ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:07:43,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-03-11 09:07:43,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 94. [2021-03-11 09:07:43,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 2.4946236559139785) internal successors, (232), 93 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 232 transitions. [2021-03-11 09:07:43,478 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 232 transitions. Word has length 10 [2021-03-11 09:07:43,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:43,478 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 232 transitions. [2021-03-11 09:07:43,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 232 transitions. [2021-03-11 09:07:43,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:43,478 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:43,478 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:43,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 09:07:43,478 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:43,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:43,479 INFO L82 PathProgramCache]: Analyzing trace with hash -225322743, now seen corresponding path program 3 times [2021-03-11 09:07:43,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:43,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003352119] [2021-03-11 09:07:43,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:43,514 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:07:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,518 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-03-11 09:07:43,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:43,523 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-03-11 09:07:43,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,529 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-03-11 09:07:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,538 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-11 09:07:43,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:43,550 INFO L142 QuantifierPusher]: treesize reduction 10, result has 41.2 percent of original size [2021-03-11 09:07:43,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:43,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003352119] [2021-03-11 09:07:43,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873613049] [2021-03-11 09:07:43,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:43,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 09:07:43,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:43,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:43,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:43,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:43,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:43,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:43,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:43,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:43,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:43,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:43,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:43,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:43,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:43,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:43,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:43,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:43,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:43,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:43,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:43,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:43,686 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-11 09:07:43,687 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:07:43,688 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:43,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:43,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:43,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:43,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:43,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:43,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:43,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028487357] [2021-03-11 09:07:43,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:43,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:43,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:43,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:43,707 INFO L87 Difference]: Start difference. First operand 94 states and 232 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:43,813 INFO L93 Difference]: Finished difference Result 161 states and 377 transitions. [2021-03-11 09:07:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:07:43,815 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:43,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:43,816 INFO L225 Difference]: With dead ends: 161 [2021-03-11 09:07:43,816 INFO L226 Difference]: Without dead ends: 153 [2021-03-11 09:07:43,817 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 145.1ms TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2021-03-11 09:07:43,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-03-11 09:07:43,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 104. [2021-03-11 09:07:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 2.563106796116505) internal successors, (264), 103 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 264 transitions. [2021-03-11 09:07:43,819 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 264 transitions. Word has length 11 [2021-03-11 09:07:43,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:43,820 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 264 transitions. [2021-03-11 09:07:43,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 264 transitions. [2021-03-11 09:07:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:43,820 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:43,820 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:44,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-11 09:07:44,037 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:44,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:44,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1098731685, now seen corresponding path program 4 times [2021-03-11 09:07:44,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:44,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862787895] [2021-03-11 09:07:44,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:44,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:44,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,061 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:44,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,066 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:07:44,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,071 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 09:07:44,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:44,080 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:44,080 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:44,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862787895] [2021-03-11 09:07:44,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248332017] [2021-03-11 09:07:44,088 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:44,139 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:07:44,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:44,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:44,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:44,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:44,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:44,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:44,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:44,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:44,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:44,187 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:07:44,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:07:44,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:07:44,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:44,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:44,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:44,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:44,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:44,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:44,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:44,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:44,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,212 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:44,213 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:44,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:44,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:44,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-11 09:07:44,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803648051] [2021-03-11 09:07:44,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 09:07:44,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:44,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 09:07:44,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:07:44,222 INFO L87 Difference]: Start difference. First operand 104 states and 264 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:44,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:44,271 INFO L93 Difference]: Finished difference Result 126 states and 306 transitions. [2021-03-11 09:07:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:07:44,271 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:44,271 INFO L225 Difference]: With dead ends: 126 [2021-03-11 09:07:44,271 INFO L226 Difference]: Without dead ends: 124 [2021-03-11 09:07:44,272 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 82.7ms TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-03-11 09:07:44,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 110. [2021-03-11 09:07:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 2.532110091743119) internal successors, (276), 109 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 276 transitions. [2021-03-11 09:07:44,274 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 276 transitions. Word has length 11 [2021-03-11 09:07:44,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:44,274 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 276 transitions. [2021-03-11 09:07:44,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 276 transitions. [2021-03-11 09:07:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:44,275 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:44,275 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:44,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:44,491 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:44,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:44,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1098450825, now seen corresponding path program 5 times [2021-03-11 09:07:44,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:44,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62396689] [2021-03-11 09:07:44,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:44,521 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:44,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,525 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:44,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,529 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:07:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,534 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-11 09:07:44,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,539 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:07:44,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:44,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62396689] [2021-03-11 09:07:44,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946935426] [2021-03-11 09:07:44,544 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:44,592 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:44,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:44,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:44,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:44,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:44,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:44,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:44,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:44,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:44,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:44,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:44,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,645 INFO L147 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size 15 [2021-03-11 09:07:44,645 INFO L142 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size [2021-03-11 09:07:44,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:44,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:07:44,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 09:07:44,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 09:07:44,664 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-11 09:07:44,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,670 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-11 09:07:44,671 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,674 INFO L147 QuantifierPusher]: treesize reduction -7, result has 113.7 percent of original size 58 [2021-03-11 09:07:44,674 INFO L147 QuantifierPusher]: treesize reduction -7, result has 113.7 percent of original size 58 [2021-03-11 09:07:44,675 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-11 09:07:44,676 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:44,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:44,676 INFO L142 QuantifierPusher]: treesize reduction -7, result has 110.8 percent of original size [2021-03-11 09:07:44,704 INFO L147 QuantifierPusher]: treesize reduction 368, result has 58.0 percent of original size 508 [2021-03-11 09:07:44,708 INFO L147 QuantifierPusher]: treesize reduction 368, result has 58.0 percent of original size 508 [2021-03-11 09:07:44,711 INFO L142 QuantifierPusher]: treesize reduction 368, result has 58.0 percent of original size [2021-03-11 09:07:44,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 508 [2021-03-11 09:07:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:44,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:44,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-11 09:07:44,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451865024] [2021-03-11 09:07:44,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 09:07:44,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:44,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 09:07:44,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-03-11 09:07:44,727 INFO L87 Difference]: Start difference. First operand 110 states and 276 transitions. Second operand has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:44,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:44,855 INFO L93 Difference]: Finished difference Result 155 states and 373 transitions. [2021-03-11 09:07:44,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 09:07:44,855 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:44,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:44,856 INFO L225 Difference]: With dead ends: 155 [2021-03-11 09:07:44,856 INFO L226 Difference]: Without dead ends: 147 [2021-03-11 09:07:44,856 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 150.2ms TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:07:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-03-11 09:07:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 106. [2021-03-11 09:07:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 2.5714285714285716) internal successors, (270), 105 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 270 transitions. [2021-03-11 09:07:44,859 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 270 transitions. Word has length 11 [2021-03-11 09:07:44,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:44,860 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 270 transitions. [2021-03-11 09:07:44,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 270 transitions. [2021-03-11 09:07:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:44,861 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:44,861 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:45,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-11 09:07:45,075 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:45,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:45,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1558489778, now seen corresponding path program 6 times [2021-03-11 09:07:45,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:45,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184541636] [2021-03-11 09:07:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:45,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:45,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,098 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:07:45,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,103 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 09:07:45,103 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-03-11 09:07:45,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,120 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:45,120 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:45,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:45,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184541636] [2021-03-11 09:07:45,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709026015] [2021-03-11 09:07:45,128 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:45,184 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-11 09:07:45,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:45,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:45,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:45,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:45,212 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:07:45,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:45,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:45,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:45,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:45,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:45,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:45,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:45,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:45,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:45,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-11 09:07:45,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754993956] [2021-03-11 09:07:45,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 09:07:45,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:45,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 09:07:45,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:07:45,260 INFO L87 Difference]: Start difference. First operand 106 states and 270 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:45,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:45,325 INFO L93 Difference]: Finished difference Result 136 states and 326 transitions. [2021-03-11 09:07:45,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 09:07:45,325 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:45,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:45,326 INFO L225 Difference]: With dead ends: 136 [2021-03-11 09:07:45,326 INFO L226 Difference]: Without dead ends: 134 [2021-03-11 09:07:45,327 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 94.4ms TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:45,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-03-11 09:07:45,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 111. [2021-03-11 09:07:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 2.518181818181818) internal successors, (277), 110 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 277 transitions. [2021-03-11 09:07:45,330 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 277 transitions. Word has length 11 [2021-03-11 09:07:45,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:45,330 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 277 transitions. [2021-03-11 09:07:45,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 277 transitions. [2021-03-11 09:07:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:45,331 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:45,331 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:45,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:45,545 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:45,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:45,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1549783118, now seen corresponding path program 7 times [2021-03-11 09:07:45,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:45,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934714001] [2021-03-11 09:07:45,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:45,562 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:45,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,567 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:07:45,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,572 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:07:45,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,583 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:45,584 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:45,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:45,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934714001] [2021-03-11 09:07:45,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311919650] [2021-03-11 09:07:45,593 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:45,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:45,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:45,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:45,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:45,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:45,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:45,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:45,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:45,672 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:45,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:45,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:45,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:45,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:45,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:45,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:45,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:45,711 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:45,711 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:45,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:45,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:45,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-11 09:07:45,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011878621] [2021-03-11 09:07:45,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 09:07:45,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:45,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 09:07:45,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:07:45,719 INFO L87 Difference]: Start difference. First operand 111 states and 277 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:45,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:45,800 INFO L93 Difference]: Finished difference Result 137 states and 330 transitions. [2021-03-11 09:07:45,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:07:45,800 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:45,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:45,801 INFO L225 Difference]: With dead ends: 137 [2021-03-11 09:07:45,801 INFO L226 Difference]: Without dead ends: 135 [2021-03-11 09:07:45,802 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 118.2ms TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:07:45,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-03-11 09:07:45,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 113. [2021-03-11 09:07:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 2.5357142857142856) internal successors, (284), 112 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 284 transitions. [2021-03-11 09:07:45,804 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 284 transitions. Word has length 11 [2021-03-11 09:07:45,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:45,804 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 284 transitions. [2021-03-11 09:07:45,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 284 transitions. [2021-03-11 09:07:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:45,805 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:45,805 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:46,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:46,021 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:46,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:46,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1549761728, now seen corresponding path program 8 times [2021-03-11 09:07:46,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:46,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306163561] [2021-03-11 09:07:46,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:46,055 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:46,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,059 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:07:46,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,063 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:07:46,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,068 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-11 09:07:46,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,073 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:07:46,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:46,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306163561] [2021-03-11 09:07:46,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338392854] [2021-03-11 09:07:46,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:46,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:46,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:46,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:46,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:46,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:46,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:46,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:46,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:46,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:46,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:46,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:46,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:46,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:46,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:46,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:46,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:46,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:46,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:07:46,195 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-03-11 09:07:46,196 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:46,196 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:46,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:46,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:46,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-11 09:07:46,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672926447] [2021-03-11 09:07:46,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 09:07:46,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:46,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 09:07:46,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-03-11 09:07:46,202 INFO L87 Difference]: Start difference. First operand 113 states and 284 transitions. Second operand has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:46,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:46,332 INFO L93 Difference]: Finished difference Result 160 states and 384 transitions. [2021-03-11 09:07:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:07:46,332 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:46,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:46,333 INFO L225 Difference]: With dead ends: 160 [2021-03-11 09:07:46,333 INFO L226 Difference]: Without dead ends: 152 [2021-03-11 09:07:46,333 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 131.3ms TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2021-03-11 09:07:46,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-03-11 09:07:46,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 111. [2021-03-11 09:07:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 2.5454545454545454) internal successors, (280), 110 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 280 transitions. [2021-03-11 09:07:46,335 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 280 transitions. Word has length 11 [2021-03-11 09:07:46,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:46,335 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 280 transitions. [2021-03-11 09:07:46,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 280 transitions. [2021-03-11 09:07:46,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:46,336 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:46,336 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:46,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:46,544 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:46,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1368877562, now seen corresponding path program 9 times [2021-03-11 09:07:46,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:46,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194781186] [2021-03-11 09:07:46,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:46,558 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:46,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,562 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:07:46,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:46,567 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:46,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:46,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,579 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:46,579 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:46,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194781186] [2021-03-11 09:07:46,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613936056] [2021-03-11 09:07:46,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:46,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-11 09:07:46,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:46,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:46,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:46,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:46,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:46,645 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:07:46,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:46,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:46,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:46,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:46,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:46,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:46,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:46,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:46,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:46,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:46,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:46,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:46,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:46,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:46,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:46,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:46,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-11 09:07:46,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409086920] [2021-03-11 09:07:46,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 09:07:46,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:46,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 09:07:46,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:07:46,691 INFO L87 Difference]: Start difference. First operand 111 states and 280 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:46,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:46,743 INFO L93 Difference]: Finished difference Result 136 states and 330 transitions. [2021-03-11 09:07:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 09:07:46,744 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:46,744 INFO L225 Difference]: With dead ends: 136 [2021-03-11 09:07:46,744 INFO L226 Difference]: Without dead ends: 134 [2021-03-11 09:07:46,744 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 81.0ms TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:46,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-03-11 09:07:46,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 112. [2021-03-11 09:07:46,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 2.5405405405405403) internal successors, (282), 111 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 282 transitions. [2021-03-11 09:07:46,746 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 282 transitions. Word has length 11 [2021-03-11 09:07:46,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:46,747 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 282 transitions. [2021-03-11 09:07:46,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 282 transitions. [2021-03-11 09:07:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:46,747 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:46,747 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:46,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-11 09:07:46,959 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:46,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:46,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1638784022, now seen corresponding path program 10 times [2021-03-11 09:07:46,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:46,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106603418] [2021-03-11 09:07:46,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:46,973 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:46,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:46,977 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:46,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,982 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:46,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:46,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:46,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:46,994 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:46,994 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:47,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106603418] [2021-03-11 09:07:47,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255296225] [2021-03-11 09:07:47,004 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:47,044 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:07:47,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:47,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:47,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:47,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:47,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:47,074 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:47,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:47,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:47,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:47,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:47,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:47,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:47,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:47,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:47,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:47,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:47,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-11 09:07:47,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535363328] [2021-03-11 09:07:47,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 09:07:47,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:47,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 09:07:47,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:07:47,106 INFO L87 Difference]: Start difference. First operand 112 states and 282 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:47,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:47,172 INFO L93 Difference]: Finished difference Result 142 states and 339 transitions. [2021-03-11 09:07:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 09:07:47,172 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:47,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:47,173 INFO L225 Difference]: With dead ends: 142 [2021-03-11 09:07:47,173 INFO L226 Difference]: Without dead ends: 140 [2021-03-11 09:07:47,173 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 88.9ms TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-03-11 09:07:47,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 110. [2021-03-11 09:07:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 2.541284403669725) internal successors, (277), 109 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 277 transitions. [2021-03-11 09:07:47,175 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 277 transitions. Word has length 11 [2021-03-11 09:07:47,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:47,176 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 277 transitions. [2021-03-11 09:07:47,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 277 transitions. [2021-03-11 09:07:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:47,176 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:47,176 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:47,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:47,391 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:47,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1639418282, now seen corresponding path program 11 times [2021-03-11 09:07:47,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:47,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656799004] [2021-03-11 09:07:47,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:47,403 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:47,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,406 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:47,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,411 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:07:47,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:47,423 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:47,423 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:47,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656799004] [2021-03-11 09:07:47,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713387149] [2021-03-11 09:07:47,432 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:47,475 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:47,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:47,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:47,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:47,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:47,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:47,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:47,531 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:07:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:47,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:47,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:47,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:47,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,551 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:47,553 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:47,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:47,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:47,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-11 09:07:47,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042519921] [2021-03-11 09:07:47,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 09:07:47,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:47,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 09:07:47,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:07:47,561 INFO L87 Difference]: Start difference. First operand 110 states and 277 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:47,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:47,641 INFO L93 Difference]: Finished difference Result 142 states and 340 transitions. [2021-03-11 09:07:47,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:07:47,642 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:47,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:47,642 INFO L225 Difference]: With dead ends: 142 [2021-03-11 09:07:47,643 INFO L226 Difference]: Without dead ends: 140 [2021-03-11 09:07:47,643 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 117.8ms TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:07:47,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-03-11 09:07:47,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 112. [2021-03-11 09:07:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 2.5585585585585586) internal successors, (284), 111 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 284 transitions. [2021-03-11 09:07:47,645 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 284 transitions. Word has length 11 [2021-03-11 09:07:47,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:47,647 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 284 transitions. [2021-03-11 09:07:47,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 284 transitions. [2021-03-11 09:07:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:47,647 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:47,647 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:47,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-11 09:07:47,859 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:47,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:47,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1639438711, now seen corresponding path program 12 times [2021-03-11 09:07:47,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:47,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177673479] [2021-03-11 09:07:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:47,873 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:47,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,878 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:47,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,883 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-11 09:07:47,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,888 INFO L142 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size [2021-03-11 09:07:47,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,894 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:47,895 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:47,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177673479] [2021-03-11 09:07:47,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749159877] [2021-03-11 09:07:47,905 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:47,947 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-11 09:07:47,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:47,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-11 09:07:47,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:47,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:47,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:47,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:47,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:47,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:47,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:47,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:47,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:47,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:47,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:48,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:48,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:48,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:48,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:48,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:48,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,012 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-11 09:07:48,013 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:07:48,014 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:48,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:48,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:48,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-11 09:07:48,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807163510] [2021-03-11 09:07:48,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 09:07:48,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:48,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 09:07:48,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:07:48,029 INFO L87 Difference]: Start difference. First operand 112 states and 284 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:48,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:48,183 INFO L93 Difference]: Finished difference Result 181 states and 428 transitions. [2021-03-11 09:07:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 09:07:48,183 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:48,184 INFO L225 Difference]: With dead ends: 181 [2021-03-11 09:07:48,184 INFO L226 Difference]: Without dead ends: 169 [2021-03-11 09:07:48,184 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 171.1ms TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2021-03-11 09:07:48,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-03-11 09:07:48,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 114. [2021-03-11 09:07:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 2.5575221238938055) internal successors, (289), 113 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 289 transitions. [2021-03-11 09:07:48,187 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 289 transitions. Word has length 11 [2021-03-11 09:07:48,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:48,187 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 289 transitions. [2021-03-11 09:07:48,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 289 transitions. [2021-03-11 09:07:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:48,187 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:48,187 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:48,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:48,401 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:48,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:48,402 INFO L82 PathProgramCache]: Analyzing trace with hash 348248822, now seen corresponding path program 6 times [2021-03-11 09:07:48,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:48,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785392932] [2021-03-11 09:07:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:48,421 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:48,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,425 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:07:48,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:48,430 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:48,436 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:48,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,443 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:48,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,450 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:48,451 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:48,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785392932] [2021-03-11 09:07:48,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742149697] [2021-03-11 09:07:48,460 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:48,502 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-11 09:07:48,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:48,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:48,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:48,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:48,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:48,517 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:07:48,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:48,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:48,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:48,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:48,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:48,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:48,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:48,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:48,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:48,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:48,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:48,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:48,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:48,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:48,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:48,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:48,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:48,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,570 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:48,571 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:48,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:48,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:48,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:48,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857236381] [2021-03-11 09:07:48,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:48,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:48,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:48,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:48,583 INFO L87 Difference]: Start difference. First operand 114 states and 289 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:48,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:48,602 INFO L93 Difference]: Finished difference Result 142 states and 346 transitions. [2021-03-11 09:07:48,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 09:07:48,602 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:48,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:48,602 INFO L225 Difference]: With dead ends: 142 [2021-03-11 09:07:48,602 INFO L226 Difference]: Without dead ends: 139 [2021-03-11 09:07:48,603 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 84.3ms TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:48,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-03-11 09:07:48,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 119. [2021-03-11 09:07:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 2.542372881355932) internal successors, (300), 118 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 300 transitions. [2021-03-11 09:07:48,605 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 300 transitions. Word has length 11 [2021-03-11 09:07:48,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:48,606 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 300 transitions. [2021-03-11 09:07:48,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 300 transitions. [2021-03-11 09:07:48,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:48,607 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:48,607 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:48,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-11 09:07:48,819 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:48,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:48,819 INFO L82 PathProgramCache]: Analyzing trace with hash 125414490, now seen corresponding path program 7 times [2021-03-11 09:07:48,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:48,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981431230] [2021-03-11 09:07:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:48,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:48,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,834 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:48,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:48,839 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:48,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:48,844 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:48,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,850 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:48,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,856 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:48,856 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:48,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:48,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981431230] [2021-03-11 09:07:48,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920314523] [2021-03-11 09:07:48,865 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:48,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:48,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:48,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:48,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:48,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:48,940 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:48,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:48,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:48,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:48,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:48,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:48,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:48,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:48,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:48,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:48,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:48,980 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:48,981 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:48,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:48,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:48,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:48,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:48,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953060132] [2021-03-11 09:07:48,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:48,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:48,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:48,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:48,992 INFO L87 Difference]: Start difference. First operand 119 states and 300 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:49,032 INFO L93 Difference]: Finished difference Result 152 states and 364 transitions. [2021-03-11 09:07:49,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:07:49,033 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:49,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:49,033 INFO L225 Difference]: With dead ends: 152 [2021-03-11 09:07:49,033 INFO L226 Difference]: Without dead ends: 149 [2021-03-11 09:07:49,033 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 87.5ms TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:49,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-03-11 09:07:49,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 118. [2021-03-11 09:07:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 2.5384615384615383) internal successors, (297), 117 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 297 transitions. [2021-03-11 09:07:49,035 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 297 transitions. Word has length 11 [2021-03-11 09:07:49,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:49,036 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 297 transitions. [2021-03-11 09:07:49,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 297 transitions. [2021-03-11 09:07:49,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:49,036 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:49,036 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:49,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-11 09:07:49,251 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:49,251 INFO L82 PathProgramCache]: Analyzing trace with hash 145970280, now seen corresponding path program 8 times [2021-03-11 09:07:49,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:49,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723324637] [2021-03-11 09:07:49,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:49,273 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:49,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,278 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:49,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,283 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:49,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,288 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:49,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,294 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:49,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,301 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:49,301 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:49,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723324637] [2021-03-11 09:07:49,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026364255] [2021-03-11 09:07:49,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:49,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:49,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:49,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:49,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:49,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:49,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:49,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:49,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:49,388 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-03-11 09:07:49,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:49,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:49,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:49,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:49,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:49,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:49,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:49,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:49,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,412 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:49,412 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:49,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:49,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:49,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:49,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80829481] [2021-03-11 09:07:49,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:49,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:49,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:49,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:49,423 INFO L87 Difference]: Start difference. First operand 118 states and 297 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:49,471 INFO L93 Difference]: Finished difference Result 151 states and 364 transitions. [2021-03-11 09:07:49,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 09:07:49,471 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:49,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:49,473 INFO L225 Difference]: With dead ends: 151 [2021-03-11 09:07:49,473 INFO L226 Difference]: Without dead ends: 148 [2021-03-11 09:07:49,473 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 89.6ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:07:49,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-03-11 09:07:49,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2021-03-11 09:07:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 119 states have (on average 2.5546218487394956) internal successors, (304), 119 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 304 transitions. [2021-03-11 09:07:49,475 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 304 transitions. Word has length 11 [2021-03-11 09:07:49,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:49,476 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 304 transitions. [2021-03-11 09:07:49,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,476 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 304 transitions. [2021-03-11 09:07:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:49,476 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:49,476 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:49,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-11 09:07:49,691 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:49,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:49,691 INFO L82 PathProgramCache]: Analyzing trace with hash 146633370, now seen corresponding path program 9 times [2021-03-11 09:07:49,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:49,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951463703] [2021-03-11 09:07:49,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:49,706 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:49,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,710 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:49,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,714 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,720 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,726 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,748 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:49,749 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:49,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951463703] [2021-03-11 09:07:49,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152304415] [2021-03-11 09:07:49,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:49,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 09:07:49,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:49,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-11 09:07:49,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:49,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 09:07:49,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:49,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 09:07:49,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:49,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:49,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:49,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:49,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:49,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:49,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:49,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:49,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:49,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:49,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:49,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:49,862 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-03-11 09:07:49,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:49,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:49,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:49,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:49,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:49,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:49,877 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:49,877 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:49,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:49,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:49,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:49,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781413362] [2021-03-11 09:07:49,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:49,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:49,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:49,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:49,888 INFO L87 Difference]: Start difference. First operand 120 states and 304 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:49,963 INFO L93 Difference]: Finished difference Result 150 states and 364 transitions. [2021-03-11 09:07:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 09:07:49,964 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:49,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:49,964 INFO L225 Difference]: With dead ends: 150 [2021-03-11 09:07:49,964 INFO L226 Difference]: Without dead ends: 147 [2021-03-11 09:07:49,964 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 121.0ms TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-03-11 09:07:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-03-11 09:07:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 122. [2021-03-11 09:07:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 2.5702479338842976) internal successors, (311), 121 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 311 transitions. [2021-03-11 09:07:49,967 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 311 transitions. Word has length 11 [2021-03-11 09:07:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:49,967 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 311 transitions. [2021-03-11 09:07:49,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 311 transitions. [2021-03-11 09:07:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:07:49,967 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:49,967 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:50,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:50,175 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:50,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:50,175 INFO L82 PathProgramCache]: Analyzing trace with hash 146654760, now seen corresponding path program 10 times [2021-03-11 09:07:50,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:50,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381970897] [2021-03-11 09:07:50,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:50,190 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:50,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,194 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:50,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,198 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:50,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,203 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:50,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,208 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,215 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:07:50,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:50,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381970897] [2021-03-11 09:07:50,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347091838] [2021-03-11 09:07:50,221 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:50,265 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:07:50,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:50,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:50,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:50,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:50,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:50,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:50,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:50,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:50,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:50,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:50,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:50,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:50,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:50,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:07:50,338 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-03-11 09:07:50,339 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:50,339 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:50,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:50,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:50,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-11 09:07:50,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906548963] [2021-03-11 09:07:50,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 09:07:50,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:50,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 09:07:50,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-03-11 09:07:50,345 INFO L87 Difference]: Start difference. First operand 122 states and 311 transitions. Second operand has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:50,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:50,432 INFO L93 Difference]: Finished difference Result 159 states and 388 transitions. [2021-03-11 09:07:50,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 09:07:50,432 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:07:50,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:50,433 INFO L225 Difference]: With dead ends: 159 [2021-03-11 09:07:50,433 INFO L226 Difference]: Without dead ends: 153 [2021-03-11 09:07:50,434 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 124.7ms TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:07:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-03-11 09:07:50,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 121. [2021-03-11 09:07:50,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 2.591666666666667) internal successors, (311), 120 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 311 transitions. [2021-03-11 09:07:50,441 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 311 transitions. Word has length 11 [2021-03-11 09:07:50,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:50,442 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 311 transitions. [2021-03-11 09:07:50,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 311 transitions. [2021-03-11 09:07:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:50,442 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:50,442 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:50,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:50,655 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:50,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:50,655 INFO L82 PathProgramCache]: Analyzing trace with hash 758814596, now seen corresponding path program 13 times [2021-03-11 09:07:50,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:50,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643171447] [2021-03-11 09:07:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:50,669 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:50,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,673 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:50,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,677 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:50,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,682 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:07:50,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,688 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-03-11 09:07:50,689 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-11 09:07:50,700 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:50,700 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:50,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643171447] [2021-03-11 09:07:50,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621989899] [2021-03-11 09:07:50,709 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:50,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:50,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:50,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:50,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:50,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:50,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:50,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:50,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:50,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:50,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:50,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:50,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:50,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:50,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:50,814 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:07:50,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:07:50,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:07:50,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:50,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:50,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:50,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:50,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:50,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:50,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:50,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:50,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:50,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:50,839 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:50,839 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:50,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:50,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:50,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:50,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349064046] [2021-03-11 09:07:50,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:50,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:50,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:50,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:50,849 INFO L87 Difference]: Start difference. First operand 121 states and 311 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:50,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:50,907 INFO L93 Difference]: Finished difference Result 150 states and 365 transitions. [2021-03-11 09:07:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 09:07:50,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:50,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:50,908 INFO L225 Difference]: With dead ends: 150 [2021-03-11 09:07:50,908 INFO L226 Difference]: Without dead ends: 148 [2021-03-11 09:07:50,908 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 118.3ms TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-03-11 09:07:50,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-03-11 09:07:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 126. [2021-03-11 09:07:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 2.56) internal successors, (320), 125 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 320 transitions. [2021-03-11 09:07:50,910 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 320 transitions. Word has length 12 [2021-03-11 09:07:50,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:50,910 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 320 transitions. [2021-03-11 09:07:50,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 320 transitions. [2021-03-11 09:07:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:50,911 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:50,911 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:51,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-03-11 09:07:51,116 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:51,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:51,116 INFO L82 PathProgramCache]: Analyzing trace with hash 759095456, now seen corresponding path program 14 times [2021-03-11 09:07:51,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:51,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192994319] [2021-03-11 09:07:51,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:51,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:51,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,134 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:51,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,138 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:51,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,143 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:07:51,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,149 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:07:51,150 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:51,159 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:51,160 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:51,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192994319] [2021-03-11 09:07:51,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454888908] [2021-03-11 09:07:51,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:51,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:51,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:51,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-11 09:07:51,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:51,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:51,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:51,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:51,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:51,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:51,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:51,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:51,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:51,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,253 INFO L142 QuantifierPusher]: treesize reduction 13, result has 35.0 percent of original size [2021-03-11 09:07:51,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:51,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:51,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-11 09:07:51,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842959628] [2021-03-11 09:07:51,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 09:07:51,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:51,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 09:07:51,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-03-11 09:07:51,262 INFO L87 Difference]: Start difference. First operand 126 states and 320 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:51,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:51,391 INFO L93 Difference]: Finished difference Result 203 states and 478 transitions. [2021-03-11 09:07:51,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 09:07:51,392 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:51,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:51,392 INFO L225 Difference]: With dead ends: 203 [2021-03-11 09:07:51,392 INFO L226 Difference]: Without dead ends: 191 [2021-03-11 09:07:51,393 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 120.1ms TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:07:51,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-03-11 09:07:51,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 119. [2021-03-11 09:07:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 2.6440677966101696) internal successors, (312), 118 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 312 transitions. [2021-03-11 09:07:51,395 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 312 transitions. Word has length 12 [2021-03-11 09:07:51,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:51,395 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 312 transitions. [2021-03-11 09:07:51,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 312 transitions. [2021-03-11 09:07:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:51,395 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:51,395 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:51,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-11 09:07:51,609 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:51,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:51,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1068543453, now seen corresponding path program 15 times [2021-03-11 09:07:51,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:51,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275194926] [2021-03-11 09:07:51,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:51,624 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:51,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,628 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:07:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,632 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 09:07:51,632 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-03-11 09:07:51,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,653 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:51,654 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:51,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275194926] [2021-03-11 09:07:51,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61685105] [2021-03-11 09:07:51,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:51,699 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-11 09:07:51,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:51,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:51,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:51,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:51,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:51,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:51,754 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:07:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:51,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:51,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:51,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:51,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:51,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:51,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:51,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:51,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:51,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:51,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:51,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:51,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:51,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:51,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:51,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706205900] [2021-03-11 09:07:51,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:51,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:51,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:51,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:51,823 INFO L87 Difference]: Start difference. First operand 119 states and 312 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:51,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:51,941 INFO L93 Difference]: Finished difference Result 160 states and 390 transitions. [2021-03-11 09:07:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:07:51,941 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:51,942 INFO L225 Difference]: With dead ends: 160 [2021-03-11 09:07:51,942 INFO L226 Difference]: Without dead ends: 158 [2021-03-11 09:07:51,942 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 146.0ms TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2021-03-11 09:07:51,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-03-11 09:07:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 125. [2021-03-11 09:07:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 2.596774193548387) internal successors, (322), 124 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 322 transitions. [2021-03-11 09:07:51,944 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 322 transitions. Word has length 12 [2021-03-11 09:07:51,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:51,944 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 322 transitions. [2021-03-11 09:07:51,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 322 transitions. [2021-03-11 09:07:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:51,945 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:51,945 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:52,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:52,155 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:52,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:52,155 INFO L82 PathProgramCache]: Analyzing trace with hash -798636993, now seen corresponding path program 16 times [2021-03-11 09:07:52,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:52,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989496443] [2021-03-11 09:07:52,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:52,169 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:52,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,173 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:07:52,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:07:52,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:52,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,197 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:52,197 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:52,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989496443] [2021-03-11 09:07:52,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803755402] [2021-03-11 09:07:52,207 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:52,249 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:07:52,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:52,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:52,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:52,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:52,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:52,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:52,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:52,296 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:52,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:52,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:52,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:52,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:52,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:52,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:52,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:52,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:52,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:52,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:52,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:52,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852899378] [2021-03-11 09:07:52,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:52,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:52,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:52,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:52,328 INFO L87 Difference]: Start difference. First operand 125 states and 322 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:52,446 INFO L93 Difference]: Finished difference Result 178 states and 421 transitions. [2021-03-11 09:07:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 09:07:52,446 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:52,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:52,447 INFO L225 Difference]: With dead ends: 178 [2021-03-11 09:07:52,447 INFO L226 Difference]: Without dead ends: 176 [2021-03-11 09:07:52,447 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 145.8ms TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2021-03-11 09:07:52,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-03-11 09:07:52,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 126. [2021-03-11 09:07:52,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 2.592) internal successors, (324), 125 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 324 transitions. [2021-03-11 09:07:52,449 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 324 transitions. Word has length 12 [2021-03-11 09:07:52,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:52,449 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 324 transitions. [2021-03-11 09:07:52,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 324 transitions. [2021-03-11 09:07:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:52,450 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:52,450 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:52,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-11 09:07:52,664 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:52,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:52,664 INFO L82 PathProgramCache]: Analyzing trace with hash -798002733, now seen corresponding path program 17 times [2021-03-11 09:07:52,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:52,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486486411] [2021-03-11 09:07:52,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:52,677 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:52,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,681 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:52,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:52,690 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:07:52,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:52,702 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:52,703 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:52,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486486411] [2021-03-11 09:07:52,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322838678] [2021-03-11 09:07:52,711 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:52,747 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:52,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:52,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:52,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:52,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:52,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:52,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:52,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:52,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:52,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:52,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:52,811 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:07:52,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:52,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:52,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:52,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:52,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:52,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:52,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:52,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:52,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:52,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:52,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232291281] [2021-03-11 09:07:52,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:52,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:52,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:52,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:52,838 INFO L87 Difference]: Start difference. First operand 126 states and 324 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:52,995 INFO L93 Difference]: Finished difference Result 172 states and 414 transitions. [2021-03-11 09:07:52,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 09:07:52,995 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:52,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:52,996 INFO L225 Difference]: With dead ends: 172 [2021-03-11 09:07:52,996 INFO L226 Difference]: Without dead ends: 170 [2021-03-11 09:07:52,996 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 182.7ms TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2021-03-11 09:07:52,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-03-11 09:07:52,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 129. [2021-03-11 09:07:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 2.625) internal successors, (336), 128 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 336 transitions. [2021-03-11 09:07:52,998 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 336 transitions. Word has length 12 [2021-03-11 09:07:52,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:52,999 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 336 transitions. [2021-03-11 09:07:52,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:52,999 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 336 transitions. [2021-03-11 09:07:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:52,999 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:52,999 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:53,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:53,213 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:53,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:53,214 INFO L82 PathProgramCache]: Analyzing trace with hash -797982304, now seen corresponding path program 18 times [2021-03-11 09:07:53,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:53,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67583602] [2021-03-11 09:07:53,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:53,231 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:53,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,235 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:53,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-03-11 09:07:53,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:53,244 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-11 09:07:53,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,250 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:07:53,250 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:53,259 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:53,260 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:53,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67583602] [2021-03-11 09:07:53,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342574711] [2021-03-11 09:07:53,268 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:53,308 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-11 09:07:53,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:53,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:53,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:53,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:53,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:53,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:53,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:53,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:53,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:53,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:53,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:53,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:53,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:53,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:53,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:53,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:53,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:53,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:53,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:53,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:53,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:53,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:53,375 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-11 09:07:53,375 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:07:53,376 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:53,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:53,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:53,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:53,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:53,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269460980] [2021-03-11 09:07:53,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:53,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:53,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:53,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:53,389 INFO L87 Difference]: Start difference. First operand 129 states and 336 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:53,643 INFO L93 Difference]: Finished difference Result 209 states and 494 transitions. [2021-03-11 09:07:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-11 09:07:53,643 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:53,644 INFO L225 Difference]: With dead ends: 209 [2021-03-11 09:07:53,644 INFO L226 Difference]: Without dead ends: 197 [2021-03-11 09:07:53,644 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 266.5ms TimeCoverageRelationStatistics Valid=273, Invalid=597, Unknown=0, NotChecked=0, Total=870 [2021-03-11 09:07:53,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-03-11 09:07:53,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 124. [2021-03-11 09:07:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 2.6016260162601625) internal successors, (320), 123 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 320 transitions. [2021-03-11 09:07:53,647 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 320 transitions. Word has length 12 [2021-03-11 09:07:53,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:53,647 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 320 transitions. [2021-03-11 09:07:53,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 320 transitions. [2021-03-11 09:07:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:53,647 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:53,647 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:53,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-11 09:07:53,859 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:53,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:53,859 INFO L82 PathProgramCache]: Analyzing trace with hash -514468168, now seen corresponding path program 19 times [2021-03-11 09:07:53,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:53,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513299061] [2021-03-11 09:07:53,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:53,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:53,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,875 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:07:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:53,880 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:53,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:53,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:53,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,897 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:53,898 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:53,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513299061] [2021-03-11 09:07:53,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015902330] [2021-03-11 09:07:53,907 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:53,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:53,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:53,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:53,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:53,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:53,962 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:07:53,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:53,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:53,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:53,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:53,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:53,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:53,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:53,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:53,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:53,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:53,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:53,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:53,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:53,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:53,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:53,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:54,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:54,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:54,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225108784] [2021-03-11 09:07:54,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:54,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:54,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:54,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:54,029 INFO L87 Difference]: Start difference. First operand 124 states and 320 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:54,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:54,114 INFO L93 Difference]: Finished difference Result 163 states and 399 transitions. [2021-03-11 09:07:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 09:07:54,114 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:54,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:54,115 INFO L225 Difference]: With dead ends: 163 [2021-03-11 09:07:54,115 INFO L226 Difference]: Without dead ends: 161 [2021-03-11 09:07:54,116 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 123.1ms TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:07:54,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-03-11 09:07:54,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 127. [2021-03-11 09:07:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 2.6031746031746033) internal successors, (328), 126 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 328 transitions. [2021-03-11 09:07:54,118 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 328 transitions. Word has length 12 [2021-03-11 09:07:54,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:54,118 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 328 transitions. [2021-03-11 09:07:54,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:54,118 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 328 transitions. [2021-03-11 09:07:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:54,119 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:54,119 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:54,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-11 09:07:54,334 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:54,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:54,334 INFO L82 PathProgramCache]: Analyzing trace with hash -514439338, now seen corresponding path program 20 times [2021-03-11 09:07:54,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:54,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231956242] [2021-03-11 09:07:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:54,349 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:54,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,353 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:07:54,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:54,359 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:54,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,365 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:54,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,377 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:54,377 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:54,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:54,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231956242] [2021-03-11 09:07:54,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737058947] [2021-03-11 09:07:54,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:54,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:54,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:54,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:54,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:54,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:54,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:54,441 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:07:54,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:54,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:54,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:54,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:54,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:54,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:54,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:54,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:54,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:54,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:54,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:54,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:54,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:54,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,479 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:07:54,480 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:07:54,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:54,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:07:54,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:07:54,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:07:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:07:54,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,495 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:54,496 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:54,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:54,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:54,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66364517] [2021-03-11 09:07:54,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:54,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:54,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:54,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:54,507 INFO L87 Difference]: Start difference. First operand 127 states and 328 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:54,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:54,572 INFO L93 Difference]: Finished difference Result 160 states and 396 transitions. [2021-03-11 09:07:54,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:07:54,573 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:54,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:54,573 INFO L225 Difference]: With dead ends: 160 [2021-03-11 09:07:54,573 INFO L226 Difference]: Without dead ends: 158 [2021-03-11 09:07:54,574 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 119.9ms TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2021-03-11 09:07:54,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-03-11 09:07:54,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 128. [2021-03-11 09:07:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 2.5984251968503935) internal successors, (330), 127 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 330 transitions. [2021-03-11 09:07:54,576 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 330 transitions. Word has length 12 [2021-03-11 09:07:54,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:54,576 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 330 transitions. [2021-03-11 09:07:54,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 330 transitions. [2021-03-11 09:07:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:54,576 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:54,576 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:54,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-03-11 09:07:54,791 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:54,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:54,791 INFO L82 PathProgramCache]: Analyzing trace with hash -737302500, now seen corresponding path program 21 times [2021-03-11 09:07:54,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:54,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186325304] [2021-03-11 09:07:54,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:54,804 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:54,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,807 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:54,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,812 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:54,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:54,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,827 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:54,827 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:54,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186325304] [2021-03-11 09:07:54,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326978827] [2021-03-11 09:07:54,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:54,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-11 09:07:54,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:54,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:54,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:54,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:54,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:54,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:54,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:54,903 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:54,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:54,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:54,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:54,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:54,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:54,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:54,942 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:54,943 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:54,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:54,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:54,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:54,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727417500] [2021-03-11 09:07:54,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:54,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:54,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:54,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:54,953 INFO L87 Difference]: Start difference. First operand 128 states and 330 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:55,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:55,062 INFO L93 Difference]: Finished difference Result 172 states and 416 transitions. [2021-03-11 09:07:55,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:07:55,062 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:55,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:55,063 INFO L225 Difference]: With dead ends: 172 [2021-03-11 09:07:55,063 INFO L226 Difference]: Without dead ends: 170 [2021-03-11 09:07:55,063 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 127.7ms TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2021-03-11 09:07:55,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-03-11 09:07:55,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 128. [2021-03-11 09:07:55,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 2.5984251968503935) internal successors, (330), 127 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 330 transitions. [2021-03-11 09:07:55,065 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 330 transitions. Word has length 12 [2021-03-11 09:07:55,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:55,065 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 330 transitions. [2021-03-11 09:07:55,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 330 transitions. [2021-03-11 09:07:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:55,066 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:55,066 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:55,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:55,279 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:55,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:55,279 INFO L82 PathProgramCache]: Analyzing trace with hash -737273670, now seen corresponding path program 22 times [2021-03-11 09:07:55,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:55,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545882099] [2021-03-11 09:07:55,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:55,295 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:55,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,298 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:55,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,303 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:55,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:55,332 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:55,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,344 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:55,344 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:55,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545882099] [2021-03-11 09:07:55,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713762280] [2021-03-11 09:07:55,354 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:55,409 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:07:55,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:55,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:55,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:55,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:55,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:55,450 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:55,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:55,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:55,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:55,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:55,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:55,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:55,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:55,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:55,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:55,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,481 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:07:55,481 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:07:55,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:55,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:07:55,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:07:55,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:07:55,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:07:55,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,498 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:55,498 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:55,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:55,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:55,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:55,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807560572] [2021-03-11 09:07:55,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:55,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:55,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:55,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:55,511 INFO L87 Difference]: Start difference. First operand 128 states and 330 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:55,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:55,609 INFO L93 Difference]: Finished difference Result 168 states and 410 transitions. [2021-03-11 09:07:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:07:55,610 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:55,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:55,610 INFO L225 Difference]: With dead ends: 168 [2021-03-11 09:07:55,610 INFO L226 Difference]: Without dead ends: 166 [2021-03-11 09:07:55,610 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 168.2ms TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:07:55,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-03-11 09:07:55,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 126. [2021-03-11 09:07:55,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 2.6) internal successors, (325), 125 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 325 transitions. [2021-03-11 09:07:55,612 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 325 transitions. Word has length 12 [2021-03-11 09:07:55,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:55,612 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 325 transitions. [2021-03-11 09:07:55,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:55,612 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 325 transitions. [2021-03-11 09:07:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:55,613 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:55,613 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:55,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-03-11 09:07:55,813 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:55,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:55,813 INFO L82 PathProgramCache]: Analyzing trace with hash -717640440, now seen corresponding path program 23 times [2021-03-11 09:07:55,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:55,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128564596] [2021-03-11 09:07:55,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:55,822 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:55,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,825 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:55,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,830 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:07:55,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:55,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:55,847 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:55,847 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:55,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128564596] [2021-03-11 09:07:55,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274821797] [2021-03-11 09:07:55,857 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:55,891 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:55,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:55,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:55,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:55,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:55,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:55,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:55,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:55,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:55,936 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:07:55,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:55,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:07:55,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:55,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:55,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:55,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:55,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:55,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:55,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:55,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:55,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:55,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:55,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:55,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:55,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:55,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963257488] [2021-03-11 09:07:55,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:55,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:55,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:55,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:55,978 INFO L87 Difference]: Start difference. First operand 126 states and 325 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:56,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:56,107 INFO L93 Difference]: Finished difference Result 177 states and 426 transitions. [2021-03-11 09:07:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 09:07:56,107 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:56,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:56,108 INFO L225 Difference]: With dead ends: 177 [2021-03-11 09:07:56,108 INFO L226 Difference]: Without dead ends: 175 [2021-03-11 09:07:56,108 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 153.0ms TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2021-03-11 09:07:56,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-03-11 09:07:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 128. [2021-03-11 09:07:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 2.6141732283464565) internal successors, (332), 127 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 332 transitions. [2021-03-11 09:07:56,110 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 332 transitions. Word has length 12 [2021-03-11 09:07:56,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:56,110 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 332 transitions. [2021-03-11 09:07:56,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 332 transitions. [2021-03-11 09:07:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:56,111 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:56,111 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:56,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:56,322 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:56,323 INFO L82 PathProgramCache]: Analyzing trace with hash -716977350, now seen corresponding path program 24 times [2021-03-11 09:07:56,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:56,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502207432] [2021-03-11 09:07:56,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:56,335 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:56,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,339 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:56,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,343 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:07:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:56,347 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:07:56,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:56,358 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:56,358 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:56,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502207432] [2021-03-11 09:07:56,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217664835] [2021-03-11 09:07:56,367 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:56,414 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-11 09:07:56,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:56,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:56,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:56,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:56,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:56,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:56,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:56,474 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:56,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:56,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:56,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:56,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:56,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:56,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,487 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:56,487 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:56,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:56,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:56,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:56,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106541335] [2021-03-11 09:07:56,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:56,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:56,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:56,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:56,495 INFO L87 Difference]: Start difference. First operand 128 states and 332 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:56,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:56,637 INFO L93 Difference]: Finished difference Result 184 states and 437 transitions. [2021-03-11 09:07:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 09:07:56,637 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:56,638 INFO L225 Difference]: With dead ends: 184 [2021-03-11 09:07:56,638 INFO L226 Difference]: Without dead ends: 182 [2021-03-11 09:07:56,638 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 162.2ms TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2021-03-11 09:07:56,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-03-11 09:07:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 130. [2021-03-11 09:07:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 2.627906976744186) internal successors, (339), 129 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 339 transitions. [2021-03-11 09:07:56,640 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 339 transitions. Word has length 12 [2021-03-11 09:07:56,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:56,640 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 339 transitions. [2021-03-11 09:07:56,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 339 transitions. [2021-03-11 09:07:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:56,641 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:56,641 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:56,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-03-11 09:07:56,855 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:56,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:56,855 INFO L82 PathProgramCache]: Analyzing trace with hash -716956921, now seen corresponding path program 25 times [2021-03-11 09:07:56,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:56,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706259595] [2021-03-11 09:07:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:56,866 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:56,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,870 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:56,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:56,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-11 09:07:56,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,884 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:07:56,884 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:56,893 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:56,893 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:56,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706259595] [2021-03-11 09:07:56,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379010973] [2021-03-11 09:07:56,902 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:56,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-11 09:07:56,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:56,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:56,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:56,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:56,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:56,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:56,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:56,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:56,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:56,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:57,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:57,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:57,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:57,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:57,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:57,011 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:07:57,011 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:07:57,015 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:57,017 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-03-11 09:07:57,017 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-11 09:07:57,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:57,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:57,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-11 09:07:57,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668751743] [2021-03-11 09:07:57,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 09:07:57,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:57,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 09:07:57,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-03-11 09:07:57,024 INFO L87 Difference]: Start difference. First operand 130 states and 339 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:57,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:57,275 INFO L93 Difference]: Finished difference Result 229 states and 538 transitions. [2021-03-11 09:07:57,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-11 09:07:57,275 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:57,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:57,276 INFO L225 Difference]: With dead ends: 229 [2021-03-11 09:07:57,276 INFO L226 Difference]: Without dead ends: 217 [2021-03-11 09:07:57,276 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 265.1ms TimeCoverageRelationStatistics Valid=266, Invalid=604, Unknown=0, NotChecked=0, Total=870 [2021-03-11 09:07:57,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-03-11 09:07:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 127. [2021-03-11 09:07:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 2.5952380952380953) internal successors, (327), 126 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 327 transitions. [2021-03-11 09:07:57,278 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 327 transitions. Word has length 12 [2021-03-11 09:07:57,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:57,278 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 327 transitions. [2021-03-11 09:07:57,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:57,279 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 327 transitions. [2021-03-11 09:07:57,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:57,279 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:57,279 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:57,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-11 09:07:57,487 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:57,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:57,487 INFO L82 PathProgramCache]: Analyzing trace with hash -2089188036, now seen corresponding path program 11 times [2021-03-11 09:07:57,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:57,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877576727] [2021-03-11 09:07:57,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:57,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:57,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,501 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:07:57,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:57,506 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:57,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:57,511 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:57,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,517 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:57,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,535 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:57,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,543 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:07:57,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:57,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877576727] [2021-03-11 09:07:57,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144907224] [2021-03-11 09:07:57,550 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:57,585 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-11 09:07:57,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:57,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:07:57,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:57,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:57,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:57,599 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:07:57,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:57,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:57,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:57,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:57,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:57,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:07:57,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:57,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:57,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:57,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:57,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:57,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:57,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:57,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:57,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:57,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:57,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:57,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:57,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:57,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:57,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:57,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:57,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:57,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:57,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:57,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:57,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:57,672 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:57,672 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:57,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:57,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:57,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-11 09:07:57,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495539193] [2021-03-11 09:07:57,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 09:07:57,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:57,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 09:07:57,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:57,679 INFO L87 Difference]: Start difference. First operand 127 states and 327 transitions. Second operand has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:57,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:57,710 INFO L93 Difference]: Finished difference Result 162 states and 400 transitions. [2021-03-11 09:07:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:07:57,711 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:57,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:57,711 INFO L225 Difference]: With dead ends: 162 [2021-03-11 09:07:57,711 INFO L226 Difference]: Without dead ends: 159 [2021-03-11 09:07:57,711 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 109.7ms TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:57,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-03-11 09:07:57,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 133. [2021-03-11 09:07:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 2.5757575757575757) internal successors, (340), 132 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:57,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 340 transitions. [2021-03-11 09:07:57,713 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 340 transitions. Word has length 12 [2021-03-11 09:07:57,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:57,713 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 340 transitions. [2021-03-11 09:07:57,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:57,713 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 340 transitions. [2021-03-11 09:07:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:57,714 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:57,714 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:57,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-11 09:07:57,916 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:57,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:57,916 INFO L82 PathProgramCache]: Analyzing trace with hash -407117736, now seen corresponding path program 12 times [2021-03-11 09:07:57,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:57,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914250127] [2021-03-11 09:07:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:57,925 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:57,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,928 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:57,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:57,932 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:07:57,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:57,937 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,943 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,949 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:57,956 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:07:57,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:57,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914250127] [2021-03-11 09:07:57,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418331013] [2021-03-11 09:07:57,963 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:58,010 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-11 09:07:58,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:58,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:07:58,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:58,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:58,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:07:58,037 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:07:58,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:07:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:58,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:58,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:58,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,094 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:58,094 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:58,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:58,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:58,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-11 09:07:58,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472562546] [2021-03-11 09:07:58,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 09:07:58,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:58,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 09:07:58,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:58,101 INFO L87 Difference]: Start difference. First operand 133 states and 340 transitions. Second operand has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:58,138 INFO L93 Difference]: Finished difference Result 175 states and 424 transitions. [2021-03-11 09:07:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 09:07:58,138 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:58,139 INFO L225 Difference]: With dead ends: 175 [2021-03-11 09:07:58,139 INFO L226 Difference]: Without dead ends: 172 [2021-03-11 09:07:58,139 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 97.1ms TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:07:58,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-03-11 09:07:58,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 132. [2021-03-11 09:07:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 2.572519083969466) internal successors, (337), 131 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 337 transitions. [2021-03-11 09:07:58,141 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 337 transitions. Word has length 12 [2021-03-11 09:07:58,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:58,141 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 337 transitions. [2021-03-11 09:07:58,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 337 transitions. [2021-03-11 09:07:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:58,142 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:58,142 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:58,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-03-11 09:07:58,356 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:58,356 INFO L82 PathProgramCache]: Analyzing trace with hash 230111754, now seen corresponding path program 13 times [2021-03-11 09:07:58,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:58,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182637132] [2021-03-11 09:07:58,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:58,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:58,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,368 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:58,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,373 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:58,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,378 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:58,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,384 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,390 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:58,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,401 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:07:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:58,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182637132] [2021-03-11 09:07:58,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192876091] [2021-03-11 09:07:58,408 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:58,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:07:58,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:58,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:58,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:58,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:58,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:58,484 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-03-11 09:07:58,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:58,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,524 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:58,524 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:58,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:58,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:58,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-11 09:07:58,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125558839] [2021-03-11 09:07:58,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 09:07:58,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:58,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 09:07:58,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:58,532 INFO L87 Difference]: Start difference. First operand 132 states and 337 transitions. Second operand has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:58,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:58,579 INFO L93 Difference]: Finished difference Result 172 states and 416 transitions. [2021-03-11 09:07:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 09:07:58,580 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:58,580 INFO L225 Difference]: With dead ends: 172 [2021-03-11 09:07:58,580 INFO L226 Difference]: Without dead ends: 169 [2021-03-11 09:07:58,581 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 108.9ms TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2021-03-11 09:07:58,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-03-11 09:07:58,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 131. [2021-03-11 09:07:58,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 2.5692307692307694) internal successors, (334), 130 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 334 transitions. [2021-03-11 09:07:58,582 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 334 transitions. Word has length 12 [2021-03-11 09:07:58,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:58,583 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 334 transitions. [2021-03-11 09:07:58,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 334 transitions. [2021-03-11 09:07:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:58,583 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:58,583 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:58,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-11 09:07:58,795 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:58,795 INFO L82 PathProgramCache]: Analyzing trace with hash 250667544, now seen corresponding path program 14 times [2021-03-11 09:07:58,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:58,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150256474] [2021-03-11 09:07:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:58,805 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:58,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,808 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:58,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,812 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:58,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,817 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,822 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:58,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,828 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:58,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,834 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:07:58,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:58,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150256474] [2021-03-11 09:07:58,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55736071] [2021-03-11 09:07:58,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:58,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:07:58,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:58,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:07:58,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:58,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:58,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:58,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:58,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:58,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:58,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:58,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:58,948 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-03-11 09:07:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:58,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:58,975 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:58,975 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:58,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:58,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-11 09:07:58,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729528929] [2021-03-11 09:07:58,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 09:07:58,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:58,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 09:07:58,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:58,982 INFO L87 Difference]: Start difference. First operand 131 states and 334 transitions. Second operand has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:59,041 INFO L93 Difference]: Finished difference Result 171 states and 416 transitions. [2021-03-11 09:07:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 09:07:59,041 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:59,042 INFO L225 Difference]: With dead ends: 171 [2021-03-11 09:07:59,042 INFO L226 Difference]: Without dead ends: 168 [2021-03-11 09:07:59,042 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 111.6ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:07:59,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-03-11 09:07:59,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 133. [2021-03-11 09:07:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 2.5833333333333335) internal successors, (341), 132 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 341 transitions. [2021-03-11 09:07:59,044 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 341 transitions. Word has length 12 [2021-03-11 09:07:59,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:59,044 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 341 transitions. [2021-03-11 09:07:59,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 341 transitions. [2021-03-11 09:07:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:59,044 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:59,044 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:59,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-11 09:07:59,259 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:59,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:59,259 INFO L82 PathProgramCache]: Analyzing trace with hash 251330634, now seen corresponding path program 15 times [2021-03-11 09:07:59,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:59,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697715163] [2021-03-11 09:07:59,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:59,269 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,272 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:59,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,276 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:59,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,281 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:59,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,286 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:59,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,293 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:07:59,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:59,299 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:07:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:59,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697715163] [2021-03-11 09:07:59,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716866099] [2021-03-11 09:07:59,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:59,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 09:07:59,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:59,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-11 09:07:59,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:59,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 09:07:59,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:59,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 09:07:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:59,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:59,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:59,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:59,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:59,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:59,440 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-03-11 09:07:59,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:59,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:59,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:59,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:59,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:07:59,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,452 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:59,453 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:59,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:59,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:59,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-11 09:07:59,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151050016] [2021-03-11 09:07:59,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 09:07:59,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:59,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 09:07:59,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:07:59,462 INFO L87 Difference]: Start difference. First operand 133 states and 341 transitions. Second operand has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:59,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:07:59,536 INFO L93 Difference]: Finished difference Result 170 states and 416 transitions. [2021-03-11 09:07:59,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 09:07:59,536 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:07:59,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:07:59,537 INFO L225 Difference]: With dead ends: 170 [2021-03-11 09:07:59,537 INFO L226 Difference]: Without dead ends: 167 [2021-03-11 09:07:59,537 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 128.6ms TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2021-03-11 09:07:59,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-03-11 09:07:59,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 135. [2021-03-11 09:07:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 2.5970149253731343) internal successors, (348), 134 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 348 transitions. [2021-03-11 09:07:59,539 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 348 transitions. Word has length 12 [2021-03-11 09:07:59,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:07:59,539 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 348 transitions. [2021-03-11 09:07:59,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:07:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 348 transitions. [2021-03-11 09:07:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-03-11 09:07:59,540 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:07:59,540 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:07:59,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2021-03-11 09:07:59,754 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:07:59,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:07:59,754 INFO L82 PathProgramCache]: Analyzing trace with hash 251352024, now seen corresponding path program 16 times [2021-03-11 09:07:59,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:07:59,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102688776] [2021-03-11 09:07:59,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:07:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:07:59,768 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:07:59,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,771 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:07:59,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,775 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,780 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:59,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,786 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:07:59,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,793 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-11 09:07:59,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:07:59,805 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:07:59,805 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:07:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:59,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102688776] [2021-03-11 09:07:59,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293299170] [2021-03-11 09:07:59,814 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:07:59,849 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:07:59,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:07:59,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:07:59,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:07:59,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:07:59,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:59,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:07:59,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:07:59,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:59,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:07:59,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:07:59,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:07:59,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:59,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:07:59,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:07:59,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:07:59,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:07:59,935 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-03-11 09:07:59,936 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:07:59,936 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:07:59,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:07:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:07:59,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:07:59,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:07:59,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391116726] [2021-03-11 09:07:59,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:07:59,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:07:59,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:07:59,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:07:59,948 INFO L87 Difference]: Start difference. First operand 135 states and 348 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:00,088 INFO L93 Difference]: Finished difference Result 195 states and 478 transitions. [2021-03-11 09:08:00,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-11 09:08:00,088 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-03-11 09:08:00,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:00,089 INFO L225 Difference]: With dead ends: 195 [2021-03-11 09:08:00,089 INFO L226 Difference]: Without dead ends: 183 [2021-03-11 09:08:00,089 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 198.8ms TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2021-03-11 09:08:00,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-03-11 09:08:00,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 139. [2021-03-11 09:08:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 2.630434782608696) internal successors, (363), 138 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 363 transitions. [2021-03-11 09:08:00,091 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 363 transitions. Word has length 12 [2021-03-11 09:08:00,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:00,091 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 363 transitions. [2021-03-11 09:08:00,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 363 transitions. [2021-03-11 09:08:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:00,091 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:00,091 INFO L519 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:00,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:00,292 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:00,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:00,292 INFO L82 PathProgramCache]: Analyzing trace with hash -913383895, now seen corresponding path program 4 times [2021-03-11 09:08:00,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:00,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899144284] [2021-03-11 09:08:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:00,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:00,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899144284] [2021-03-11 09:08:00,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010049609] [2021-03-11 09:08:00,338 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:00,376 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:08:00,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:00,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-11 09:08:00,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:00,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:00,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:08:00,402 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 09:08:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:08:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:00,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-11 09:08:00,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-03-11 09:08:00,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111004848] [2021-03-11 09:08:00,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 09:08:00,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:00,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 09:08:00,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:08:00,407 INFO L87 Difference]: Start difference. First operand 139 states and 363 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:00,420 INFO L93 Difference]: Finished difference Result 192 states and 523 transitions. [2021-03-11 09:08:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 09:08:00,420 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:00,421 INFO L225 Difference]: With dead ends: 192 [2021-03-11 09:08:00,421 INFO L226 Difference]: Without dead ends: 185 [2021-03-11 09:08:00,421 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 19.1ms TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:08:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-03-11 09:08:00,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-03-11 09:08:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 2.7717391304347827) internal successors, (510), 184 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 510 transitions. [2021-03-11 09:08:00,423 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 510 transitions. Word has length 13 [2021-03-11 09:08:00,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:00,423 INFO L480 AbstractCegarLoop]: Abstraction has 185 states and 510 transitions. [2021-03-11 09:08:00,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 510 transitions. [2021-03-11 09:08:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:00,424 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:00,424 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:00,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:00,639 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:00,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:00,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1786792837, now seen corresponding path program 26 times [2021-03-11 09:08:00,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:00,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395783629] [2021-03-11 09:08:00,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:00,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:00,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,653 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:00,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,658 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:00,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,663 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:00,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,668 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:08:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,674 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-03-11 09:08:00,675 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-11 09:08:00,685 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:00,685 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:00,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395783629] [2021-03-11 09:08:00,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365416283] [2021-03-11 09:08:00,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:00,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:08:00,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:00,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-11 09:08:00,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:00,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:00,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:00,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:00,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:00,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:00,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:00,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:00,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:00,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:00,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:00,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:00,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:00,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:00,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:00,761 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:08:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:00,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:00,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:00,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:00,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:00,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:00,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,768 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-11 09:08:00,768 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-11 09:08:00,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:00,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:00,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:00,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-11 09:08:00,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587022901] [2021-03-11 09:08:00,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 09:08:00,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:00,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 09:08:00,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-11 09:08:00,777 INFO L87 Difference]: Start difference. First operand 185 states and 510 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:00,847 INFO L93 Difference]: Finished difference Result 224 states and 582 transitions. [2021-03-11 09:08:00,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 09:08:00,848 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:00,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:00,848 INFO L225 Difference]: With dead ends: 224 [2021-03-11 09:08:00,848 INFO L226 Difference]: Without dead ends: 221 [2021-03-11 09:08:00,849 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 92.2ms TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:08:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-03-11 09:08:00,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 191. [2021-03-11 09:08:00,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 2.736842105263158) internal successors, (520), 190 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 520 transitions. [2021-03-11 09:08:00,852 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 520 transitions. Word has length 13 [2021-03-11 09:08:00,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:00,852 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 520 transitions. [2021-03-11 09:08:00,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:00,852 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 520 transitions. [2021-03-11 09:08:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:00,852 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:00,852 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:01,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:01,063 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:01,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:01,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1786511977, now seen corresponding path program 27 times [2021-03-11 09:08:01,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:01,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046724140] [2021-03-11 09:08:01,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:01,075 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:01,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,078 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:01,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,083 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:01,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,088 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:01,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,094 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:08:01,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,102 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-11 09:08:01,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,109 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:08:01,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:01,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046724140] [2021-03-11 09:08:01,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057045110] [2021-03-11 09:08:01,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:01,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 09:08:01,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:01,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-11 09:08:01,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:01,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:01,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:01,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:01,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:01,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:01,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:01,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:01,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:01,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:01,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:01,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,200 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-11 09:08:01,201 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-11 09:08:01,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:01,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:01,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:01,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:01,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:01,210 INFO L142 QuantifierPusher]: treesize reduction 13, result has 35.0 percent of original size [2021-03-11 09:08:01,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:01,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:01,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-11 09:08:01,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387088817] [2021-03-11 09:08:01,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 09:08:01,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:01,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 09:08:01,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-03-11 09:08:01,212 INFO L87 Difference]: Start difference. First operand 191 states and 520 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:01,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:01,348 INFO L93 Difference]: Finished difference Result 251 states and 645 transitions. [2021-03-11 09:08:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 09:08:01,349 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:01,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:01,349 INFO L225 Difference]: With dead ends: 251 [2021-03-11 09:08:01,349 INFO L226 Difference]: Without dead ends: 243 [2021-03-11 09:08:01,349 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 124.5ms TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:08:01,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-03-11 09:08:01,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 191. [2021-03-11 09:08:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 2.7473684210526317) internal successors, (522), 190 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:01,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 522 transitions. [2021-03-11 09:08:01,353 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 522 transitions. Word has length 13 [2021-03-11 09:08:01,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:01,353 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 522 transitions. [2021-03-11 09:08:01,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 522 transitions. [2021-03-11 09:08:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:01,354 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:01,354 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:01,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-03-11 09:08:01,559 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:01,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:01,559 INFO L82 PathProgramCache]: Analyzing trace with hash 680816410, now seen corresponding path program 28 times [2021-03-11 09:08:01,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:01,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312677789] [2021-03-11 09:08:01,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:01,570 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:01,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,574 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:01,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,578 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:08:01,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,584 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 09:08:01,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:01,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,606 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:01,606 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:01,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312677789] [2021-03-11 09:08:01,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692556914] [2021-03-11 09:08:01,616 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:01,653 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:08:01,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:01,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:01,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:01,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:01,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:01,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:01,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:01,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:01,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:01,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:01,696 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:08:01,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:01,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:01,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:01,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:01,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,719 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:01,719 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:01,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:01,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:01,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:01,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:01,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:01,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,736 INFO L147 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size 23 [2021-03-11 09:08:01,737 INFO L142 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size [2021-03-11 09:08:01,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:01,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 09:08:01,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 09:08:01,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:01,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 09:08:01,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 09:08:01,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:01,763 INFO L147 QuantifierPusher]: treesize reduction -2, result has 106.7 percent of original size 32 [2021-03-11 09:08:01,764 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.7 percent of original size [2021-03-11 09:08:01,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 09:08:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:01,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:01,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:01,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520797274] [2021-03-11 09:08:01,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:01,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:01,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:01,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:01,782 INFO L87 Difference]: Start difference. First operand 191 states and 522 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:01,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:01,933 INFO L93 Difference]: Finished difference Result 260 states and 665 transitions. [2021-03-11 09:08:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:08:01,933 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:01,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:01,934 INFO L225 Difference]: With dead ends: 260 [2021-03-11 09:08:01,934 INFO L226 Difference]: Without dead ends: 255 [2021-03-11 09:08:01,934 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 221.8ms TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2021-03-11 09:08:01,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-03-11 09:08:01,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 196. [2021-03-11 09:08:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 2.723076923076923) internal successors, (531), 195 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 531 transitions. [2021-03-11 09:08:01,937 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 531 transitions. Word has length 13 [2021-03-11 09:08:01,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:01,937 INFO L480 AbstractCegarLoop]: Abstraction has 196 states and 531 transitions. [2021-03-11 09:08:01,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 531 transitions. [2021-03-11 09:08:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:01,938 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:01,938 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:02,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:02,151 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:02,152 INFO L82 PathProgramCache]: Analyzing trace with hash 950722870, now seen corresponding path program 29 times [2021-03-11 09:08:02,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:02,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287081099] [2021-03-11 09:08:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:02,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:02,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,222 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:02,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,227 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:08:02,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:08:02,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,251 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:02,252 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:02,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287081099] [2021-03-11 09:08:02,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830473291] [2021-03-11 09:08:02,262 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:02,309 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:08:02,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:02,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:02,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:02,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:02,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:02,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:02,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:02,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:02,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:02,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:02,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,356 INFO L147 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size 15 [2021-03-11 09:08:02,356 INFO L142 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size [2021-03-11 09:08:02,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:02,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:02,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:02,369 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-11 09:08:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:02,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:02,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:02,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:02,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,392 INFO L147 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size 23 [2021-03-11 09:08:02,393 INFO L142 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size [2021-03-11 09:08:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 09:08:02,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 09:08:02,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 09:08:02,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 09:08:02,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:02,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:02,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:02,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:02,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095902468] [2021-03-11 09:08:02,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:02,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:02,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:02,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:02,424 INFO L87 Difference]: Start difference. First operand 196 states and 531 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:02,594 INFO L93 Difference]: Finished difference Result 271 states and 690 transitions. [2021-03-11 09:08:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 09:08:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:02,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:02,595 INFO L225 Difference]: With dead ends: 271 [2021-03-11 09:08:02,595 INFO L226 Difference]: Without dead ends: 266 [2021-03-11 09:08:02,595 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 250.4ms TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2021-03-11 09:08:02,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-03-11 09:08:02,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 198. [2021-03-11 09:08:02,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 2.730964467005076) internal successors, (538), 197 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 538 transitions. [2021-03-11 09:08:02,598 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 538 transitions. Word has length 13 [2021-03-11 09:08:02,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:02,598 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 538 transitions. [2021-03-11 09:08:02,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 538 transitions. [2021-03-11 09:08:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:02,598 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:02,598 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:02,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:02,812 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:02,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:02,813 INFO L82 PathProgramCache]: Analyzing trace with hash 951357130, now seen corresponding path program 30 times [2021-03-11 09:08:02,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:02,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152318659] [2021-03-11 09:08:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:02,822 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:02,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,826 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:02,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,831 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:02,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:02,842 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:08:02,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:02,855 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:02,855 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:02,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152318659] [2021-03-11 09:08:02,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55118507] [2021-03-11 09:08:02,864 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:02,913 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-11 09:08:02,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:02,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:02,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:02,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:02,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:02,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:02,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:02,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:02,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:02,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:02,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:02,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:02,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:02,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:02,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,964 INFO L147 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size 15 [2021-03-11 09:08:02,964 INFO L142 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size [2021-03-11 09:08:02,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:02,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:02,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:02,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:02,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:02,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:02,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:02,988 INFO L147 QuantifierPusher]: treesize reduction -2, result has 111.1 percent of original size 20 [2021-03-11 09:08:02,989 INFO L142 QuantifierPusher]: treesize reduction -2, result has 111.1 percent of original size [2021-03-11 09:08:02,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:08:03,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 09:08:03,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 09:08:03,006 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-03-11 09:08:03,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 09:08:03,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 09:08:03,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 09:08:03,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 09:08:03,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 09:08:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 09:08:03,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,030 INFO L147 QuantifierPusher]: treesize reduction -2, result has 106.7 percent of original size 32 [2021-03-11 09:08:03,030 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.7 percent of original size [2021-03-11 09:08:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 09:08:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:03,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:03,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:03,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370446852] [2021-03-11 09:08:03,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:03,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:03,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:03,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:03,044 INFO L87 Difference]: Start difference. First operand 198 states and 538 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:03,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:03,272 INFO L93 Difference]: Finished difference Result 263 states and 677 transitions. [2021-03-11 09:08:03,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-11 09:08:03,273 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:03,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:03,274 INFO L225 Difference]: With dead ends: 263 [2021-03-11 09:08:03,274 INFO L226 Difference]: Without dead ends: 258 [2021-03-11 09:08:03,274 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 273.4ms TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2021-03-11 09:08:03,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-03-11 09:08:03,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 201. [2021-03-11 09:08:03,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 2.75) internal successors, (550), 200 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:03,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 550 transitions. [2021-03-11 09:08:03,277 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 550 transitions. Word has length 13 [2021-03-11 09:08:03,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:03,277 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 550 transitions. [2021-03-11 09:08:03,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 550 transitions. [2021-03-11 09:08:03,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:03,277 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:03,277 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:03,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-03-11 09:08:03,491 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:03,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:03,492 INFO L82 PathProgramCache]: Analyzing trace with hash 951377559, now seen corresponding path program 31 times [2021-03-11 09:08:03,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:03,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977529988] [2021-03-11 09:08:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:03,501 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:03,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,504 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:03,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:03,508 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:03,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,514 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-03-11 09:08:03,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-11 09:08:03,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:03,526 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:08:03,526 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:03,535 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:03,535 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:03,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977529988] [2021-03-11 09:08:03,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317505499] [2021-03-11 09:08:03,544 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:03,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:03,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:03,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:03,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:03,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:03,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:03,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:03,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:03,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:03,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:03,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:03,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:03,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:03,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:03,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:03,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,628 INFO L147 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size 15 [2021-03-11 09:08:03,628 INFO L142 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size [2021-03-11 09:08:03,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:03,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:03,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:03,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:03,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:03,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,642 INFO L147 QuantifierPusher]: treesize reduction -2, result has 111.1 percent of original size 20 [2021-03-11 09:08:03,642 INFO L142 QuantifierPusher]: treesize reduction -2, result has 111.1 percent of original size [2021-03-11 09:08:03,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:08:03,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 09:08:03,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 09:08:03,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 09:08:03,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 09:08:03,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,658 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.0 percent of original size 21 [2021-03-11 09:08:03,658 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.0 percent of original size [2021-03-11 09:08:03,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:03,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 09:08:03,673 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-11 09:08:03,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:08:03,675 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,676 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.6 percent of original size 19 [2021-03-11 09:08:03,677 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.6 percent of original size 19 [2021-03-11 09:08:03,677 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-11 09:08:03,677 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:03,678 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.0 percent of original size [2021-03-11 09:08:03,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:03,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:03,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:03,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:03,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:03,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207741332] [2021-03-11 09:08:03,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:03,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:03,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:03,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:03,694 INFO L87 Difference]: Start difference. First operand 201 states and 550 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:04,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:04,039 INFO L93 Difference]: Finished difference Result 312 states and 805 transitions. [2021-03-11 09:08:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-11 09:08:04,039 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:04,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:04,040 INFO L225 Difference]: With dead ends: 312 [2021-03-11 09:08:04,040 INFO L226 Difference]: Without dead ends: 293 [2021-03-11 09:08:04,040 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 368.8ms TimeCoverageRelationStatistics Valid=353, Invalid=769, Unknown=0, NotChecked=0, Total=1122 [2021-03-11 09:08:04,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-03-11 09:08:04,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 196. [2021-03-11 09:08:04,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 2.769230769230769) internal successors, (540), 195 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 540 transitions. [2021-03-11 09:08:04,043 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 540 transitions. Word has length 13 [2021-03-11 09:08:04,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:04,043 INFO L480 AbstractCegarLoop]: Abstraction has 196 states and 540 transitions. [2021-03-11 09:08:04,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 540 transitions. [2021-03-11 09:08:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:04,043 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:04,043 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:04,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-11 09:08:04,247 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:04,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:04,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1234891695, now seen corresponding path program 32 times [2021-03-11 09:08:04,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:04,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892266274] [2021-03-11 09:08:04,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:04,258 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:04,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,262 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:08:04,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,267 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 09:08:04,267 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-03-11 09:08:04,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:04,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:04,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:04,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:04,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892266274] [2021-03-11 09:08:04,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665876592] [2021-03-11 09:08:04,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:04,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:08:04,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:04,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:04,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:04,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:04,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:04,377 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:08:04,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:04,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:04,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:04,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:04,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:04,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370377893] [2021-03-11 09:08:04,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:04,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:04,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:04,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:04,447 INFO L87 Difference]: Start difference. First operand 196 states and 540 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:04,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:04,586 INFO L93 Difference]: Finished difference Result 276 states and 708 transitions. [2021-03-11 09:08:04,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 09:08:04,587 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:04,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:04,587 INFO L225 Difference]: With dead ends: 276 [2021-03-11 09:08:04,587 INFO L226 Difference]: Without dead ends: 270 [2021-03-11 09:08:04,588 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 205.7ms TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-03-11 09:08:04,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-03-11 09:08:04,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 204. [2021-03-11 09:08:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 2.7389162561576357) internal successors, (556), 203 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 556 transitions. [2021-03-11 09:08:04,590 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 556 transitions. Word has length 13 [2021-03-11 09:08:04,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:04,590 INFO L480 AbstractCegarLoop]: Abstraction has 204 states and 556 transitions. [2021-03-11 09:08:04,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 556 transitions. [2021-03-11 09:08:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:04,591 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:04,591 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:04,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-03-11 09:08:04,805 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:04,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:04,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1234920525, now seen corresponding path program 33 times [2021-03-11 09:08:04,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:04,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940467117] [2021-03-11 09:08:04,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:04,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:04,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,819 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:08:04,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,823 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-11 09:08:04,823 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-03-11 09:08:04,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:04,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:04,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:04,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940467117] [2021-03-11 09:08:04,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121325035] [2021-03-11 09:08:04,858 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:04,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 09:08:04,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:04,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:04,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:04,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:04,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:04,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:04,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:04,951 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:08:04,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:04,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:04,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:04,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:04,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:04,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:04,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:04,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:04,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:04,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:04,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:04,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:04,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:04,996 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:04,996 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:04,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:05,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:05,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:05,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:05,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,018 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:05,018 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:05,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:05,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:05,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356302863] [2021-03-11 09:08:05,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:05,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:05,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:05,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:05,030 INFO L87 Difference]: Start difference. First operand 204 states and 556 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:05,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:05,201 INFO L93 Difference]: Finished difference Result 271 states and 699 transitions. [2021-03-11 09:08:05,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 09:08:05,201 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:05,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:05,202 INFO L225 Difference]: With dead ends: 271 [2021-03-11 09:08:05,202 INFO L226 Difference]: Without dead ends: 266 [2021-03-11 09:08:05,202 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 255.8ms TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2021-03-11 09:08:05,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-03-11 09:08:05,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 204. [2021-03-11 09:08:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 2.7389162561576357) internal successors, (556), 203 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 556 transitions. [2021-03-11 09:08:05,208 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 556 transitions. Word has length 13 [2021-03-11 09:08:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:05,208 INFO L480 AbstractCegarLoop]: Abstraction has 204 states and 556 transitions. [2021-03-11 09:08:05,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 556 transitions. [2021-03-11 09:08:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:05,208 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:05,208 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:05,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:05,420 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:05,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:05,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1012057363, now seen corresponding path program 34 times [2021-03-11 09:08:05,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:05,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373116393] [2021-03-11 09:08:05,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:05,429 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:05,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,433 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:08:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,437 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-11 09:08:05,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:05,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:05,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,458 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:05,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:05,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373116393] [2021-03-11 09:08:05,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362194434] [2021-03-11 09:08:05,465 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:05,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:08:05,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:05,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:05,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:05,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:05,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:05,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:05,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:05,571 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:08:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:05,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:05,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:05,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:05,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:05,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:05,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:05,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:05,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:05,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:05,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:05,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:05,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:05,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:05,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:05,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:05,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:05,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500084940] [2021-03-11 09:08:05,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:05,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:05,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:05,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:05,617 INFO L87 Difference]: Start difference. First operand 204 states and 556 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:05,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:05,770 INFO L93 Difference]: Finished difference Result 289 states and 736 transitions. [2021-03-11 09:08:05,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 09:08:05,770 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:05,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:05,771 INFO L225 Difference]: With dead ends: 289 [2021-03-11 09:08:05,771 INFO L226 Difference]: Without dead ends: 283 [2021-03-11 09:08:05,771 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 175.2ms TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2021-03-11 09:08:05,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-03-11 09:08:05,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 206. [2021-03-11 09:08:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 2.7365853658536587) internal successors, (561), 205 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 561 transitions. [2021-03-11 09:08:05,774 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 561 transitions. Word has length 13 [2021-03-11 09:08:05,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:05,774 INFO L480 AbstractCegarLoop]: Abstraction has 206 states and 561 transitions. [2021-03-11 09:08:05,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 561 transitions. [2021-03-11 09:08:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:05,775 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:05,775 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:05,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:05,975 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:05,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:05,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1012086193, now seen corresponding path program 35 times [2021-03-11 09:08:05,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:05,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787273451] [2021-03-11 09:08:05,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:05,986 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:05,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:05,989 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 09:08:05,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:05,994 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-11 09:08:05,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:05,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:06,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,018 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:06,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:06,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787273451] [2021-03-11 09:08:06,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759599310] [2021-03-11 09:08:06,025 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:06,070 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-11 09:08:06,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:06,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:06,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:06,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:06,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:06,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:06,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:06,118 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:08:06,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:06,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:06,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:06,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:06,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:06,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:06,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:06,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:06,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:06,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,148 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:06,149 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:06,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:06,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:06,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:06,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:06,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:06,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,167 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:06,167 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:06,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:06,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:06,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:06,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366994039] [2021-03-11 09:08:06,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:06,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:06,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:06,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:06,179 INFO L87 Difference]: Start difference. First operand 206 states and 561 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:06,354 INFO L93 Difference]: Finished difference Result 281 states and 720 transitions. [2021-03-11 09:08:06,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 09:08:06,354 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:06,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:06,355 INFO L225 Difference]: With dead ends: 281 [2021-03-11 09:08:06,355 INFO L226 Difference]: Without dead ends: 276 [2021-03-11 09:08:06,355 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 213.8ms TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-03-11 09:08:06,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-03-11 09:08:06,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2021-03-11 09:08:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 2.7339901477832513) internal successors, (555), 203 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 555 transitions. [2021-03-11 09:08:06,358 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 555 transitions. Word has length 13 [2021-03-11 09:08:06,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:06,358 INFO L480 AbstractCegarLoop]: Abstraction has 204 states and 555 transitions. [2021-03-11 09:08:06,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 555 transitions. [2021-03-11 09:08:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:06,358 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:06,358 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:06,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-03-11 09:08:06,571 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:06,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:06,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1031719423, now seen corresponding path program 36 times [2021-03-11 09:08:06,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:06,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5589509] [2021-03-11 09:08:06,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:06,581 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:06,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,585 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:06,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:06,594 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:08:06,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:06,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:06,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:06,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5589509] [2021-03-11 09:08:06,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487141565] [2021-03-11 09:08:06,620 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:06,656 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-11 09:08:06,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:06,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:06,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:06,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:06,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:06,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:06,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:06,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:06,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:06,729 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:08:06,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:06,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:06,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:06,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:06,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:06,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:06,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:06,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:06,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:06,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:06,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:06,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:06,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:06,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:06,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:06,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636000265] [2021-03-11 09:08:06,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:06,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:06,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:06,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:06,767 INFO L87 Difference]: Start difference. First operand 204 states and 555 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:06,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:06,982 INFO L93 Difference]: Finished difference Result 283 states and 723 transitions. [2021-03-11 09:08:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 09:08:06,982 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:06,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:06,983 INFO L225 Difference]: With dead ends: 283 [2021-03-11 09:08:06,983 INFO L226 Difference]: Without dead ends: 277 [2021-03-11 09:08:06,983 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 235.0ms TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2021-03-11 09:08:06,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-03-11 09:08:06,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 206. [2021-03-11 09:08:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 2.7414634146341466) internal successors, (562), 205 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:06,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 562 transitions. [2021-03-11 09:08:06,986 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 562 transitions. Word has length 13 [2021-03-11 09:08:06,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:06,986 INFO L480 AbstractCegarLoop]: Abstraction has 206 states and 562 transitions. [2021-03-11 09:08:06,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:06,986 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 562 transitions. [2021-03-11 09:08:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:06,986 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:06,986 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:07,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:07,201 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:07,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:07,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1032382513, now seen corresponding path program 37 times [2021-03-11 09:08:07,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:07,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090001538] [2021-03-11 09:08:07,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:07,209 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:07,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,213 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:07,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,222 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:08:07,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:07,228 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:08:07,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:07,241 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:07,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:07,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090001538] [2021-03-11 09:08:07,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953118958] [2021-03-11 09:08:07,247 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:07,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:07,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:07,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:07,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:07,359 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:08:07,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:07,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:07,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:07,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:07,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:07,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,371 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:07,371 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:07,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:07,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:07,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:07,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938739929] [2021-03-11 09:08:07,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:07,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:07,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:07,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:07,379 INFO L87 Difference]: Start difference. First operand 206 states and 562 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:07,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:07,625 INFO L93 Difference]: Finished difference Result 278 states and 717 transitions. [2021-03-11 09:08:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-11 09:08:07,626 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:07,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:07,626 INFO L225 Difference]: With dead ends: 278 [2021-03-11 09:08:07,626 INFO L226 Difference]: Without dead ends: 272 [2021-03-11 09:08:07,627 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 265.0ms TimeCoverageRelationStatistics Valid=264, Invalid=606, Unknown=0, NotChecked=0, Total=870 [2021-03-11 09:08:07,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-03-11 09:08:07,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 209. [2021-03-11 09:08:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 2.7596153846153846) internal successors, (574), 208 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 574 transitions. [2021-03-11 09:08:07,629 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 574 transitions. Word has length 13 [2021-03-11 09:08:07,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:07,629 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 574 transitions. [2021-03-11 09:08:07,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 574 transitions. [2021-03-11 09:08:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:07,630 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:07,630 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:07,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-03-11 09:08:07,843 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:07,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1032402942, now seen corresponding path program 38 times [2021-03-11 09:08:07,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:07,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719142935] [2021-03-11 09:08:07,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:07,863 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:07,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,867 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:07,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:07,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:07,882 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-11 09:08:07,882 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-11 09:08:07,892 INFO L142 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size [2021-03-11 09:08:07,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,900 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:07,900 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:07,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:07,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719142935] [2021-03-11 09:08:07,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029887535] [2021-03-11 09:08:07,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:07,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:08:07,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:07,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:07,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:07,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:07,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:07,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:07,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:07,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:07,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:08,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:08,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:08,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:08,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:08,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:08,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:08,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:08,040 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:08:08,040 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:08:08,042 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:08,043 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-03-11 09:08:08,043 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-11 09:08:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:08,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:08,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:08,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288600350] [2021-03-11 09:08:08,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:08,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:08,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:08,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:08,051 INFO L87 Difference]: Start difference. First operand 209 states and 574 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:08,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:08,403 INFO L93 Difference]: Finished difference Result 340 states and 873 transitions. [2021-03-11 09:08:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 09:08:08,404 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:08,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:08,405 INFO L225 Difference]: With dead ends: 340 [2021-03-11 09:08:08,405 INFO L226 Difference]: Without dead ends: 322 [2021-03-11 09:08:08,405 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 373.2ms TimeCoverageRelationStatistics Valid=397, Invalid=935, Unknown=0, NotChecked=0, Total=1332 [2021-03-11 09:08:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-03-11 09:08:08,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 204. [2021-03-11 09:08:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 2.7635467980295565) internal successors, (561), 203 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:08,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 561 transitions. [2021-03-11 09:08:08,408 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 561 transitions. Word has length 13 [2021-03-11 09:08:08,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:08,408 INFO L480 AbstractCegarLoop]: Abstraction has 204 states and 561 transitions. [2021-03-11 09:08:08,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 561 transitions. [2021-03-11 09:08:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:08,408 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:08,408 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:08,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-03-11 09:08:08,622 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:08,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1231325594, now seen corresponding path program 39 times [2021-03-11 09:08:08,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:08,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460576384] [2021-03-11 09:08:08,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:08,632 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:08,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,635 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:08:08,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:08,641 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:08:08,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:08,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:08,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:08,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,665 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:08,665 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:08,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:08,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460576384] [2021-03-11 09:08:08,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632753340] [2021-03-11 09:08:08,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:08,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 09:08:08,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:08,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:08,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:08,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:08,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:08,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:08,734 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:08:08,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:08,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:08,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:08,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:08,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:08,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:08,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:08,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:08,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:08,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:08,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:08,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:08,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:08,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:08,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:08,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:08,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:08,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:08,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:08,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:08,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:08,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:08,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:08,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:08,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:08,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:08,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:08,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:08,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:08,798 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:08,798 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:08,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:08,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:08,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:08,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696763355] [2021-03-11 09:08:08,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:08,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:08,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:08,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:08,811 INFO L87 Difference]: Start difference. First operand 204 states and 561 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:08,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:08,911 INFO L93 Difference]: Finished difference Result 263 states and 689 transitions. [2021-03-11 09:08:08,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 09:08:08,911 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:08,912 INFO L225 Difference]: With dead ends: 263 [2021-03-11 09:08:08,912 INFO L226 Difference]: Without dead ends: 259 [2021-03-11 09:08:08,912 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 157.3ms TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2021-03-11 09:08:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-03-11 09:08:08,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 207. [2021-03-11 09:08:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 2.762135922330097) internal successors, (569), 206 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 569 transitions. [2021-03-11 09:08:08,922 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 569 transitions. Word has length 13 [2021-03-11 09:08:08,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:08,922 INFO L480 AbstractCegarLoop]: Abstraction has 207 states and 569 transitions. [2021-03-11 09:08:08,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 569 transitions. [2021-03-11 09:08:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:08,923 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:08,923 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:09,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-11 09:08:09,123 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:09,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:09,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1231326555, now seen corresponding path program 40 times [2021-03-11 09:08:09,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:09,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601049852] [2021-03-11 09:08:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:09,135 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,138 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:08:09,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,143 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:08:09,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:09,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:09,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:09,167 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:09,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:09,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601049852] [2021-03-11 09:08:09,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694642371] [2021-03-11 09:08:09,175 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:09,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:08:09,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:09,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:09,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:09,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:09,235 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:08:09,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:09,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:09,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:09,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:09,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:09,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:09,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:09,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:09,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:09,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:09,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:09,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:09,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:09,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:09,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:09,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:09,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:09,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:09,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:09,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:09,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,296 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:09,296 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:09,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:09,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:09,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:09,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:09,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,314 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:09,314 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:09,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:09,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:09,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:09,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651434878] [2021-03-11 09:08:09,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:09,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:09,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:09,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:09,328 INFO L87 Difference]: Start difference. First operand 207 states and 569 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:09,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:09,456 INFO L93 Difference]: Finished difference Result 276 states and 719 transitions. [2021-03-11 09:08:09,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 09:08:09,457 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:09,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:09,457 INFO L225 Difference]: With dead ends: 276 [2021-03-11 09:08:09,458 INFO L226 Difference]: Without dead ends: 270 [2021-03-11 09:08:09,458 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 187.2ms TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2021-03-11 09:08:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-03-11 09:08:09,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 211. [2021-03-11 09:08:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 2.761904761904762) internal successors, (580), 210 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 580 transitions. [2021-03-11 09:08:09,460 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 580 transitions. Word has length 13 [2021-03-11 09:08:09,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:09,460 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 580 transitions. [2021-03-11 09:08:09,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 580 transitions. [2021-03-11 09:08:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:09,461 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:09,461 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:09,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:09,675 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:09,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:09,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1232249115, now seen corresponding path program 41 times [2021-03-11 09:08:09,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:09,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440150273] [2021-03-11 09:08:09,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:09,683 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:09,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,687 INFO L142 QuantifierPusher]: treesize reduction 16, result has 38.5 percent of original size [2021-03-11 09:08:09,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,692 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:08:09,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:09,698 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:08:09,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:09,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:09,718 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:09,718 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:09,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440150273] [2021-03-11 09:08:09,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447779654] [2021-03-11 09:08:09,729 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:09,765 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-11 09:08:09,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:09,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:09,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:09,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:09,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:09,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:09,782 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-11 09:08:09,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 09:08:09,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:09,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:09,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:09,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:09,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:09,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:09,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:09,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:09,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:09,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:09,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:09,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:09,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:09,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,821 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:09,821 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:09,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:09,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:09,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:09,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:09,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:08:09,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:08:09,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 09:08:09,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 09:08:09,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:09,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 09:08:09,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 09:08:09,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:09,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:09,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:09,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:09,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:09,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91973190] [2021-03-11 09:08:09,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:09,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:09,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:09,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:09,863 INFO L87 Difference]: Start difference. First operand 211 states and 580 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:09,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:09,974 INFO L93 Difference]: Finished difference Result 270 states and 709 transitions. [2021-03-11 09:08:09,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 09:08:09,975 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:09,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:09,975 INFO L225 Difference]: With dead ends: 270 [2021-03-11 09:08:09,975 INFO L226 Difference]: Without dead ends: 264 [2021-03-11 09:08:09,976 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 183.2ms TimeCoverageRelationStatistics Valid=145, Invalid=275, Unknown=0, NotChecked=0, Total=420 [2021-03-11 09:08:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2021-03-11 09:08:09,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 212. [2021-03-11 09:08:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 2.758293838862559) internal successors, (582), 211 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 582 transitions. [2021-03-11 09:08:09,978 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 582 transitions. Word has length 13 [2021-03-11 09:08:09,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:09,978 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 582 transitions. [2021-03-11 09:08:09,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 582 transitions. [2021-03-11 09:08:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:09,979 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:09,979 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:10,183 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:10,183 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:10,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:10,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1381571402, now seen corresponding path program 42 times [2021-03-11 09:08:10,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:10,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877639894] [2021-03-11 09:08:10,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:10,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:10,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,195 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,199 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:08:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:10,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:10,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,221 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:10,221 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:10,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877639894] [2021-03-11 09:08:10,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157129966] [2021-03-11 09:08:10,231 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:10,287 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-11 09:08:10,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:10,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:10,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:10,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:10,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:10,316 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:08:10,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:10,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:10,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:10,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:10,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:10,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:10,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:10,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:10,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:10,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:10,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:10,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:10,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,367 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:10,368 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:10,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:10,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:10,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:10,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985586340] [2021-03-11 09:08:10,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:10,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:10,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:10,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:10,380 INFO L87 Difference]: Start difference. First operand 212 states and 582 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:10,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:10,498 INFO L93 Difference]: Finished difference Result 276 states and 718 transitions. [2021-03-11 09:08:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:08:10,498 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:10,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:10,499 INFO L225 Difference]: With dead ends: 276 [2021-03-11 09:08:10,499 INFO L226 Difference]: Without dead ends: 272 [2021-03-11 09:08:10,499 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 167.9ms TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2021-03-11 09:08:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-03-11 09:08:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 213. [2021-03-11 09:08:10,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 2.759433962264151) internal successors, (585), 212 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 585 transitions. [2021-03-11 09:08:10,502 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 585 transitions. Word has length 13 [2021-03-11 09:08:10,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:10,502 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 585 transitions. [2021-03-11 09:08:10,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:10,502 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 585 transitions. [2021-03-11 09:08:10,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:10,502 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:10,502 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:10,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:10,707 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:10,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:10,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1381570441, now seen corresponding path program 43 times [2021-03-11 09:08:10,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:10,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717669109] [2021-03-11 09:08:10,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:10,715 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:10,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,719 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:10,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,724 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:08:10,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:10,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:10,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,747 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:10,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:10,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717669109] [2021-03-11 09:08:10,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357414142] [2021-03-11 09:08:10,754 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:10,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:10,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:10,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:10,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:10,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:10,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:10,825 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:08:10,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:10,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:10,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:10,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:10,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:10,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:10,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:10,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:10,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:10,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,861 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:10,861 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:10,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:10,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:10,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:10,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:10,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:10,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:10,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:10,878 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:10,878 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:10,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:10,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:10,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:10,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527566772] [2021-03-11 09:08:10,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:10,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:10,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:10,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:10,890 INFO L87 Difference]: Start difference. First operand 213 states and 585 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:11,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:11,044 INFO L93 Difference]: Finished difference Result 291 states and 752 transitions. [2021-03-11 09:08:11,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 09:08:11,045 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:11,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:11,046 INFO L225 Difference]: With dead ends: 291 [2021-03-11 09:08:11,046 INFO L226 Difference]: Without dead ends: 285 [2021-03-11 09:08:11,046 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 202.0ms TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2021-03-11 09:08:11,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-03-11 09:08:11,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 215. [2021-03-11 09:08:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 2.7570093457943927) internal successors, (590), 214 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 590 transitions. [2021-03-11 09:08:11,048 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 590 transitions. Word has length 13 [2021-03-11 09:08:11,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:11,049 INFO L480 AbstractCegarLoop]: Abstraction has 215 states and 590 transitions. [2021-03-11 09:08:11,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 590 transitions. [2021-03-11 09:08:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:11,049 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:11,049 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:11,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:11,263 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:11,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:11,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1380647881, now seen corresponding path program 44 times [2021-03-11 09:08:11,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:11,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040903823] [2021-03-11 09:08:11,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:11,271 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:11,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,274 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:11,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,279 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-11 09:08:11,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:11,284 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-11 09:08:11,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,301 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:11,301 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:11,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040903823] [2021-03-11 09:08:11,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732443532] [2021-03-11 09:08:11,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:11,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:08:11,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:11,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:11,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:11,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:11,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:11,389 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-11 09:08:11,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:11,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:11,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:11,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:11,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:11,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:11,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:11,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:11,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,414 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:11,414 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:11,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:11,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:11,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:11,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:08:11,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:08:11,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 09:08:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 09:08:11,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 09:08:11,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 09:08:11,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:11,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:11,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:11,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:11,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568359124] [2021-03-11 09:08:11,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:11,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:11,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:11,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:11,472 INFO L87 Difference]: Start difference. First operand 215 states and 590 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:11,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:11,608 INFO L93 Difference]: Finished difference Result 283 states and 736 transitions. [2021-03-11 09:08:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:08:11,609 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:11,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:11,610 INFO L225 Difference]: With dead ends: 283 [2021-03-11 09:08:11,610 INFO L226 Difference]: Without dead ends: 277 [2021-03-11 09:08:11,610 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 185.9ms TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2021-03-11 09:08:11,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-03-11 09:08:11,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 210. [2021-03-11 09:08:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 209 states have (on average 2.7607655502392343) internal successors, (577), 209 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 577 transitions. [2021-03-11 09:08:11,612 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 577 transitions. Word has length 13 [2021-03-11 09:08:11,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:11,613 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 577 transitions. [2021-03-11 09:08:11,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 577 transitions. [2021-03-11 09:08:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:11,613 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:11,613 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:11,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-03-11 09:08:11,823 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:11,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:11,823 INFO L82 PathProgramCache]: Analyzing trace with hash -772047542, now seen corresponding path program 45 times [2021-03-11 09:08:11,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:11,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459694810] [2021-03-11 09:08:11,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:11,836 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:11,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,842 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:11,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,847 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:08:11,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,870 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:11,870 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:11,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459694810] [2021-03-11 09:08:11,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642346630] [2021-03-11 09:08:11,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:11,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 09:08:11,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:11,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:11,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:11,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:11,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:11,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:11,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:11,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:11,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:11,964 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:08:11,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:11,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:11,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:11,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:11,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:11,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:11,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:11,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:11,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:12,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:12,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:12,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:12,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,029 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:12,029 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:12,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:12,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:12,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:12,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:12,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382687835] [2021-03-11 09:08:12,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:12,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:12,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:12,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:12,040 INFO L87 Difference]: Start difference. First operand 210 states and 577 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:12,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:12,160 INFO L93 Difference]: Finished difference Result 275 states and 710 transitions. [2021-03-11 09:08:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:08:12,160 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:12,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:12,161 INFO L225 Difference]: With dead ends: 275 [2021-03-11 09:08:12,161 INFO L226 Difference]: Without dead ends: 271 [2021-03-11 09:08:12,161 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 190.8ms TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2021-03-11 09:08:12,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-03-11 09:08:12,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 210. [2021-03-11 09:08:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 209 states have (on average 2.7607655502392343) internal successors, (577), 209 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 577 transitions. [2021-03-11 09:08:12,164 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 577 transitions. Word has length 13 [2021-03-11 09:08:12,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:12,164 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 577 transitions. [2021-03-11 09:08:12,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 577 transitions. [2021-03-11 09:08:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:12,164 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:12,164 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:12,372 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:12,373 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:12,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:12,373 INFO L82 PathProgramCache]: Analyzing trace with hash -772046581, now seen corresponding path program 46 times [2021-03-11 09:08:12,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:12,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871826037] [2021-03-11 09:08:12,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:12,381 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:12,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,385 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:12,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,390 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-11 09:08:12,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:12,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:12,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:12,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,415 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:12,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:12,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871826037] [2021-03-11 09:08:12,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16944396] [2021-03-11 09:08:12,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:12,458 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:08:12,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:12,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:12,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:12,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:12,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:12,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:12,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:12,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:12,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:12,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:12,502 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-11 09:08:12,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:12,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:12,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:12,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:12,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:12,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:12,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:12,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:12,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:12,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:12,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:12,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,535 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:12,535 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:12,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:12,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:12,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:12,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:12,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:12,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:12,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,550 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:12,550 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:12,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:12,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:12,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:12,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765663053] [2021-03-11 09:08:12,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:12,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:12,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:12,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:12,561 INFO L87 Difference]: Start difference. First operand 210 states and 577 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:12,732 INFO L93 Difference]: Finished difference Result 298 states and 764 transitions. [2021-03-11 09:08:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 09:08:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:12,733 INFO L225 Difference]: With dead ends: 298 [2021-03-11 09:08:12,733 INFO L226 Difference]: Without dead ends: 292 [2021-03-11 09:08:12,733 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 215.3ms TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-03-11 09:08:12,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-03-11 09:08:12,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 211. [2021-03-11 09:08:12,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 2.757142857142857) internal successors, (579), 210 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 579 transitions. [2021-03-11 09:08:12,736 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 579 transitions. Word has length 13 [2021-03-11 09:08:12,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:12,736 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 579 transitions. [2021-03-11 09:08:12,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:12,736 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 579 transitions. [2021-03-11 09:08:12,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:12,736 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:12,737 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:12,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-03-11 09:08:12,937 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:12,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:12,937 INFO L82 PathProgramCache]: Analyzing trace with hash -752385482, now seen corresponding path program 47 times [2021-03-11 09:08:12,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:12,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904200719] [2021-03-11 09:08:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:12,947 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:12,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:12,950 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:12,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:12,960 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:08:12,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:12,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:12,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:12,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:12,978 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:12,978 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:12,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904200719] [2021-03-11 09:08:12,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956877215] [2021-03-11 09:08:12,988 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:13,024 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-11 09:08:13,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:13,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:13,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:13,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:13,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:13,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:13,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:13,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:13,081 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:08:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:13,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:13,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:13,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:13,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:13,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:13,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:13,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,112 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:13,112 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:13,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:13,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:13,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968303021] [2021-03-11 09:08:13,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:13,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:13,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:13,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:13,122 INFO L87 Difference]: Start difference. First operand 211 states and 579 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:13,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:13,269 INFO L93 Difference]: Finished difference Result 284 states and 731 transitions. [2021-03-11 09:08:13,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-11 09:08:13,270 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:13,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:13,270 INFO L225 Difference]: With dead ends: 284 [2021-03-11 09:08:13,270 INFO L226 Difference]: Without dead ends: 280 [2021-03-11 09:08:13,271 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 193.1ms TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2021-03-11 09:08:13,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-03-11 09:08:13,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 212. [2021-03-11 09:08:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 2.7677725118483414) internal successors, (584), 211 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 584 transitions. [2021-03-11 09:08:13,273 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 584 transitions. Word has length 13 [2021-03-11 09:08:13,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:13,273 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 584 transitions. [2021-03-11 09:08:13,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 584 transitions. [2021-03-11 09:08:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:13,274 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:13,274 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:13,474 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:13,474 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:13,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:13,474 INFO L82 PathProgramCache]: Analyzing trace with hash -752384521, now seen corresponding path program 48 times [2021-03-11 09:08:13,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:13,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729069194] [2021-03-11 09:08:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:13,482 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:13,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,485 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:13,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:13,495 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:08:13,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:13,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:13,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:13,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729069194] [2021-03-11 09:08:13,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114392628] [2021-03-11 09:08:13,534 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:13,589 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-11 09:08:13,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:13,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:13,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:13,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:13,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:13,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:13,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:13,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:13,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:13,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:13,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:13,644 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:08:13,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:13,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:13,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:13,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:13,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:13,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:13,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,663 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:13,663 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:13,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:13,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:13,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:13,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:13,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:13,677 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:13,677 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:13,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:13,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:13,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:13,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840694165] [2021-03-11 09:08:13,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:13,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:13,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:13,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:13,689 INFO L87 Difference]: Start difference. First operand 212 states and 584 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:13,920 INFO L93 Difference]: Finished difference Result 300 states and 767 transitions. [2021-03-11 09:08:13,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-11 09:08:13,920 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:13,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:13,921 INFO L225 Difference]: With dead ends: 300 [2021-03-11 09:08:13,921 INFO L226 Difference]: Without dead ends: 294 [2021-03-11 09:08:13,921 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 270.7ms TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2021-03-11 09:08:13,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-03-11 09:08:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 213. [2021-03-11 09:08:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 2.7735849056603774) internal successors, (588), 212 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 588 transitions. [2021-03-11 09:08:13,924 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 588 transitions. Word has length 13 [2021-03-11 09:08:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:13,924 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 588 transitions. [2021-03-11 09:08:13,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 588 transitions. [2021-03-11 09:08:13,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:13,925 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:13,925 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:14,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-03-11 09:08:14,140 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:14,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:14,140 INFO L82 PathProgramCache]: Analyzing trace with hash -751751222, now seen corresponding path program 49 times [2021-03-11 09:08:14,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:14,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748445662] [2021-03-11 09:08:14,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:14,148 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:14,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,151 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:14,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:14,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,167 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:08:14,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:14,181 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:14,181 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:14,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748445662] [2021-03-11 09:08:14,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540029689] [2021-03-11 09:08:14,189 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:14,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:14,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:14,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:14,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:14,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:14,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:14,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:14,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:14,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:14,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:14,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:14,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:14,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:14,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:14,297 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:08:14,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:14,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:14,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:14,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:14,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:14,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,318 INFO L147 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size 13 [2021-03-11 09:08:14,318 INFO L142 QuantifierPusher]: treesize reduction -1, result has 108.3 percent of original size [2021-03-11 09:08:14,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:14,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:14,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:14,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006094069] [2021-03-11 09:08:14,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:14,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:14,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:14,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:14,328 INFO L87 Difference]: Start difference. First operand 213 states and 588 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:14,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:14,514 INFO L93 Difference]: Finished difference Result 273 states and 709 transitions. [2021-03-11 09:08:14,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 09:08:14,514 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:14,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:14,515 INFO L225 Difference]: With dead ends: 273 [2021-03-11 09:08:14,515 INFO L226 Difference]: Without dead ends: 269 [2021-03-11 09:08:14,515 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 235.9ms TimeCoverageRelationStatistics Valid=210, Invalid=492, Unknown=0, NotChecked=0, Total=702 [2021-03-11 09:08:14,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-03-11 09:08:14,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 215. [2021-03-11 09:08:14,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 2.7803738317757007) internal successors, (595), 214 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 595 transitions. [2021-03-11 09:08:14,525 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 595 transitions. Word has length 13 [2021-03-11 09:08:14,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:14,525 INFO L480 AbstractCegarLoop]: Abstraction has 215 states and 595 transitions. [2021-03-11 09:08:14,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:14,525 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 595 transitions. [2021-03-11 09:08:14,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:14,526 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:14,526 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:14,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:14,735 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:14,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:14,735 INFO L82 PathProgramCache]: Analyzing trace with hash -751730793, now seen corresponding path program 50 times [2021-03-11 09:08:14,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:14,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900665602] [2021-03-11 09:08:14,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:14,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:14,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,747 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:14,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,751 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-03-11 09:08:14,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,756 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 09:08:14,756 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-11 09:08:14,765 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-11 09:08:14,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,773 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:08:14,773 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:14,786 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:14,786 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:14,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900665602] [2021-03-11 09:08:14,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5504447] [2021-03-11 09:08:14,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:14,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:08:14,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:14,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:14,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:14,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:14,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:14,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:14,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:14,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:14,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:14,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:14,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:14,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:14,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:14,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:14,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:14,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:14,907 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-11 09:08:14,907 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:08:14,908 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:14,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:14,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:14,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:14,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:14,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:14,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:14,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034804709] [2021-03-11 09:08:14,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:14,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:14,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:14,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:14,921 INFO L87 Difference]: Start difference. First operand 215 states and 595 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:15,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:15,155 INFO L93 Difference]: Finished difference Result 314 states and 813 transitions. [2021-03-11 09:08:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-11 09:08:15,155 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:15,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:15,156 INFO L225 Difference]: With dead ends: 314 [2021-03-11 09:08:15,156 INFO L226 Difference]: Without dead ends: 294 [2021-03-11 09:08:15,156 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 276.7ms TimeCoverageRelationStatistics Valid=292, Invalid=700, Unknown=0, NotChecked=0, Total=992 [2021-03-11 09:08:15,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-03-11 09:08:15,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 210. [2021-03-11 09:08:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 209 states have (on average 2.770334928229665) internal successors, (579), 209 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 579 transitions. [2021-03-11 09:08:15,159 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 579 transitions. Word has length 13 [2021-03-11 09:08:15,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:15,159 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 579 transitions. [2021-03-11 09:08:15,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 579 transitions. [2021-03-11 09:08:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:15,159 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:15,159 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:15,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:15,377 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:15,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:15,377 INFO L82 PathProgramCache]: Analyzing trace with hash -751721431, now seen corresponding path program 51 times [2021-03-11 09:08:15,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:15,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728926727] [2021-03-11 09:08:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:15,385 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,388 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:15,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:15,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:15,397 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-11 09:08:15,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:15,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-11 09:08:15,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:15,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:15,415 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:08:15,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:15,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728926727] [2021-03-11 09:08:15,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780305419] [2021-03-11 09:08:15,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:15,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-11 09:08:15,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:15,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-11 09:08:15,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:15,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:15,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,484 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-03-11 09:08:15,484 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:15,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,492 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-11 09:08:15,492 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:15,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:15,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:15,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:15,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:15,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:15,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:15,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:15,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:15,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:15,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,512 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-11 09:08:15,512 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-11 09:08:15,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:15,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:15,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:15,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:15,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:15,526 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-11 09:08:15,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:15,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:15,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:15,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:15,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:15,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:15,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:15,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:15,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-11 09:08:15,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273499766] [2021-03-11 09:08:15,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 09:08:15,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:15,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 09:08:15,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-03-11 09:08:15,557 INFO L87 Difference]: Start difference. First operand 210 states and 579 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:15,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:15,903 INFO L93 Difference]: Finished difference Result 327 states and 834 transitions. [2021-03-11 09:08:15,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-11 09:08:15,903 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:15,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:15,904 INFO L225 Difference]: With dead ends: 327 [2021-03-11 09:08:15,904 INFO L226 Difference]: Without dead ends: 316 [2021-03-11 09:08:15,904 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 312.0ms TimeCoverageRelationStatistics Valid=267, Invalid=789, Unknown=0, NotChecked=0, Total=1056 [2021-03-11 09:08:15,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-03-11 09:08:15,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 213. [2021-03-11 09:08:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 2.7877358490566038) internal successors, (591), 212 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 591 transitions. [2021-03-11 09:08:15,907 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 591 transitions. Word has length 13 [2021-03-11 09:08:15,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:15,907 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 591 transitions. [2021-03-11 09:08:15,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:15,907 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 591 transitions. [2021-03-11 09:08:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:15,908 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:15,908 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:16,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable82 [2021-03-11 09:08:16,123 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:16,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:16,123 INFO L82 PathProgramCache]: Analyzing trace with hash -751701002, now seen corresponding path program 52 times [2021-03-11 09:08:16,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:16,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313367092] [2021-03-11 09:08:16,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:16,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:16,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,135 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:16,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:16,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:16,150 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-11 09:08:16,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,157 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:08:16,157 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:16,167 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:16,168 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:16,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313367092] [2021-03-11 09:08:16,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064466448] [2021-03-11 09:08:16,177 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:16,212 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-11 09:08:16,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:16,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:16,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:16,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:16,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:16,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:16,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:16,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:16,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:16,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:16,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:16,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:16,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:16,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,270 INFO L147 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size 15 [2021-03-11 09:08:16,270 INFO L142 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size [2021-03-11 09:08:16,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:16,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:16,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 09:08:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,290 INFO L147 QuantifierPusher]: treesize reduction -2, result has 111.1 percent of original size 20 [2021-03-11 09:08:16,290 INFO L142 QuantifierPusher]: treesize reduction -2, result has 111.1 percent of original size [2021-03-11 09:08:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 09:08:16,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 09:08:16,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 09:08:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 09:08:16,306 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-11 09:08:16,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,308 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:08:16,308 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,309 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:16,311 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:16,311 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-11 09:08:16,311 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:16,312 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.1 percent of original size [2021-03-11 09:08:16,313 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.4 percent of original size 30 [2021-03-11 09:08:16,313 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-11 09:08:16,314 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size [2021-03-11 09:08:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 09:08:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:16,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:16,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:16,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995223640] [2021-03-11 09:08:16,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:16,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:16,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:16,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:16,330 INFO L87 Difference]: Start difference. First operand 213 states and 591 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:16,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:16,732 INFO L93 Difference]: Finished difference Result 363 states and 938 transitions. [2021-03-11 09:08:16,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 09:08:16,733 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:16,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:16,734 INFO L225 Difference]: With dead ends: 363 [2021-03-11 09:08:16,734 INFO L226 Difference]: Without dead ends: 345 [2021-03-11 09:08:16,734 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 430.5ms TimeCoverageRelationStatistics Valid=393, Invalid=939, Unknown=0, NotChecked=0, Total=1332 [2021-03-11 09:08:16,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-03-11 09:08:16,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 211. [2021-03-11 09:08:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 2.7666666666666666) internal successors, (581), 210 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 581 transitions. [2021-03-11 09:08:16,737 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 581 transitions. Word has length 13 [2021-03-11 09:08:16,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:16,737 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 581 transitions. [2021-03-11 09:08:16,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 581 transitions. [2021-03-11 09:08:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:08:16,738 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:16,738 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:16,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:16,938 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:16,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:16,939 INFO L82 PathProgramCache]: Analyzing trace with hash -750777481, now seen corresponding path program 53 times [2021-03-11 09:08:16,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:16,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431739473] [2021-03-11 09:08:16,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:16,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:16,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:16,953 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:16,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:16,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:16,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:16,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:16,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-11 09:08:16,970 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-11 09:08:16,981 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:08:16,981 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:16,992 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:16,992 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:17,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431739473] [2021-03-11 09:08:17,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516125153] [2021-03-11 09:08:17,001 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:17,036 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:08:17,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:17,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-11 09:08:17,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:17,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:17,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:17,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:17,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:17,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,108 INFO L147 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size 15 [2021-03-11 09:08:17,108 INFO L142 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size [2021-03-11 09:08:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:17,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 09:08:17,119 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-03-11 09:08:17,119 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-11 09:08:17,120 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:17,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:17,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:17,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-11 09:08:17,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197312388] [2021-03-11 09:08:17,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 09:08:17,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:17,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 09:08:17,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:17,139 INFO L87 Difference]: Start difference. First operand 211 states and 581 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:17,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:17,476 INFO L93 Difference]: Finished difference Result 355 states and 910 transitions. [2021-03-11 09:08:17,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-11 09:08:17,477 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:08:17,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:17,478 INFO L225 Difference]: With dead ends: 355 [2021-03-11 09:08:17,478 INFO L226 Difference]: Without dead ends: 337 [2021-03-11 09:08:17,478 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 373.8ms TimeCoverageRelationStatistics Valid=370, Invalid=890, Unknown=0, NotChecked=0, Total=1260 [2021-03-11 09:08:17,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-03-11 09:08:17,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 208. [2021-03-11 09:08:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 2.7681159420289854) internal successors, (573), 207 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 573 transitions. [2021-03-11 09:08:17,481 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 573 transitions. Word has length 13 [2021-03-11 09:08:17,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:17,481 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 573 transitions. [2021-03-11 09:08:17,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 573 transitions. [2021-03-11 09:08:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-03-11 09:08:17,481 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:17,481 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:17,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:17,687 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:17,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:17,687 INFO L82 PathProgramCache]: Analyzing trace with hash 903755364, now seen corresponding path program 54 times [2021-03-11 09:08:17,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:17,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912380189] [2021-03-11 09:08:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:17,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:17,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,703 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:17,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,708 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:17,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,714 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:17,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,720 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:17,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,728 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:08:17,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,736 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 09:08:17,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:17,748 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:08:17,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:17,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912380189] [2021-03-11 09:08:17,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426859859] [2021-03-11 09:08:17,755 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:17,796 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-11 09:08:17,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:17,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-11 09:08:17,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:17,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:17,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:17,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:17,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:17,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:17,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:17,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:17,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:17,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:17,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:17,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:17,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:17,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:17,831 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:08:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:17,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:17,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 09:08:17,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:17,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:17,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:17,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:17,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-03-11 09:08:17,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932527108] [2021-03-11 09:08:17,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 09:08:17,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:17,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 09:08:17,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-03-11 09:08:17,853 INFO L87 Difference]: Start difference. First operand 208 states and 573 transitions. Second operand has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:17,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:17,931 INFO L93 Difference]: Finished difference Result 242 states and 641 transitions. [2021-03-11 09:08:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 09:08:17,931 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-03-11 09:08:17,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:17,932 INFO L225 Difference]: With dead ends: 242 [2021-03-11 09:08:17,932 INFO L226 Difference]: Without dead ends: 240 [2021-03-11 09:08:17,932 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 108.5ms TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2021-03-11 09:08:17,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-03-11 09:08:17,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 211. [2021-03-11 09:08:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 2.7714285714285714) internal successors, (582), 210 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 582 transitions. [2021-03-11 09:08:17,935 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 582 transitions. Word has length 14 [2021-03-11 09:08:17,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:17,935 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 582 transitions. [2021-03-11 09:08:17,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:17,935 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 582 transitions. [2021-03-11 09:08:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-03-11 09:08:17,935 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:17,935 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:18,136 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-03-11 09:08:18,136 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:18,136 INFO L82 PathProgramCache]: Analyzing trace with hash 904036224, now seen corresponding path program 55 times [2021-03-11 09:08:18,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:18,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517699196] [2021-03-11 09:08:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:18,146 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:18,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,149 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:18,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:18,154 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:18,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,159 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:18,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,164 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,171 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:08:18,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,178 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-03-11 09:08:18,178 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:18,189 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-11 09:08:18,190 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-11 09:08:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:18,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517699196] [2021-03-11 09:08:18,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837381809] [2021-03-11 09:08:18,199 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:18,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-11 09:08:18,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:18,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:18,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:18,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:18,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:18,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:18,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:18,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:18,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:18,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:18,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:18,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:18,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:18,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:18,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:18,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:18,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:18,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:18,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:18,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:18,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:18,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:18,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 09:08:18,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,338 INFO L147 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size 15 [2021-03-11 09:08:18,338 INFO L142 QuantifierPusher]: treesize reduction -1, result has 107.1 percent of original size [2021-03-11 09:08:18,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 09:08:18,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:18,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 09:08:18,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 09:08:18,354 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-11 09:08:18,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,356 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-11 09:08:18,356 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,357 INFO L147 QuantifierPusher]: treesize reduction -7, result has 113.7 percent of original size 58 [2021-03-11 09:08:18,358 INFO L147 QuantifierPusher]: treesize reduction -7, result has 113.7 percent of original size 58 [2021-03-11 09:08:18,358 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-11 09:08:18,358 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:18,359 INFO L142 QuantifierPusher]: treesize reduction -7, result has 110.8 percent of original size [2021-03-11 09:08:18,367 INFO L147 QuantifierPusher]: treesize reduction 374, result has 58.5 percent of original size 528 [2021-03-11 09:08:18,369 INFO L147 QuantifierPusher]: treesize reduction 374, result has 58.5 percent of original size 528 [2021-03-11 09:08:18,371 INFO L142 QuantifierPusher]: treesize reduction 374, result has 58.5 percent of original size [2021-03-11 09:08:18,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 528 [2021-03-11 09:08:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:18,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 09:08:18,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-11 09:08:18,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707352374] [2021-03-11 09:08:18,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 09:08:18,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:08:18,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 09:08:18,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2021-03-11 09:08:18,435 INFO L87 Difference]: Start difference. First operand 211 states and 582 transitions. Second operand has 18 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:18,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:08:18,695 INFO L93 Difference]: Finished difference Result 313 states and 802 transitions. [2021-03-11 09:08:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-11 09:08:18,695 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-03-11 09:08:18,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:08:18,696 INFO L225 Difference]: With dead ends: 313 [2021-03-11 09:08:18,696 INFO L226 Difference]: Without dead ends: 302 [2021-03-11 09:08:18,696 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 386.9ms TimeCoverageRelationStatistics Valid=298, Invalid=694, Unknown=0, NotChecked=0, Total=992 [2021-03-11 09:08:18,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-03-11 09:08:18,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 204. [2021-03-11 09:08:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 2.8177339901477834) internal successors, (572), 203 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:18,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 572 transitions. [2021-03-11 09:08:18,699 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 572 transitions. Word has length 14 [2021-03-11 09:08:18,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:08:18,699 INFO L480 AbstractCegarLoop]: Abstraction has 204 states and 572 transitions. [2021-03-11 09:08:18,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:08:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 572 transitions. [2021-03-11 09:08:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-03-11 09:08:18,699 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:08:18,699 INFO L519 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:08:18,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:18,908 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:08:18,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:08:18,908 INFO L82 PathProgramCache]: Analyzing trace with hash -923602685, now seen corresponding path program 56 times [2021-03-11 09:08:18,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:08:18,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326396190] [2021-03-11 09:08:18,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:08:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:08:18,924 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-11 09:08:18,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,928 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-11 09:08:18,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:18,932 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-11 09:08:18,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,938 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-03-11 09:08:18,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:18,944 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-03-11 09:08:18,944 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-11 09:08:18,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:18,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:18,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:18,969 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-03-11 09:08:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:08:18,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326396190] [2021-03-11 09:08:18,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098875008] [2021-03-11 09:08:18,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 09:08:19,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-11 09:08:19,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-11 09:08:19,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-11 09:08:19,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 09:08:19,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:08:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:19,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:08:19,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:19,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:19,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 09:08:19,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:19,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 09:08:19,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:19,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 09:08:19,068 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-11 09:08:19,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:19,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 09:08:19,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:19,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:19,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:19,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 09:08:19,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:19,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:19,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 09:08:19,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 09:08:19,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,091 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-03-11 09:08:19,091 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-03-11 09:08:19,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 09:08:19,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:19,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:19,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:19,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 09:08:19,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,106 INFO L147 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size 23 [2021-03-11 09:08:19,107 INFO L142 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size [2021-03-11 09:08:19,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 09:08:19,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 09:08:19,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 09:08:19,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 09:08:19,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 09:08:19,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,128 INFO L147 QuantifierPusher]: treesize reduction -4, result has 109.1 percent of original size 48 [2021-03-11 09:08:19,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,129 INFO L142 QuantifierPusher]: treesize reduction -3, result has 107.1 percent of original size [2021-03-11 09:08:19,129 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-11 09:08:19,170 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:19,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,189 INFO L147 QuantifierPusher]: treesize reduction -4, result has 113.3 percent of original size 34 [2021-03-11 09:08:19,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,190 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size 39 [2021-03-11 09:08:19,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,192 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size [2021-03-11 09:08:19,193 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.3 percent of original size 31 [2021-03-11 09:08:19,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,194 INFO L147 QuantifierPusher]: treesize reduction -2, result has 107.7 percent of original size 28 [2021-03-11 09:08:19,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,195 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.0 percent of original size [2021-03-11 09:08:19,196 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.8 percent of original size 27 [2021-03-11 09:08:19,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,197 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.9 percent of original size [2021-03-11 09:08:19,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:19,231 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:19,311 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:19,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,325 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size 37 [2021-03-11 09:08:19,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,326 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size [2021-03-11 09:08:19,327 INFO L147 QuantifierPusher]: treesize reduction 21, result has 50.0 percent of original size 21 [2021-03-11 09:08:19,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,328 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 42 [2021-03-11 09:08:19,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,330 INFO L147 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size 35 [2021-03-11 09:08:19,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,332 INFO L147 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size 35 [2021-03-11 09:08:19,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 09:08:19,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 09:08:19,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 09:08:19,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 09:08:19,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,341 INFO L147 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size 23 [2021-03-11 09:08:19,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,341 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size [2021-03-11 09:08:19,342 INFO L147 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size 20 [2021-03-11 09:08:19,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,342 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size [2021-03-11 09:08:19,343 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 42 [2021-03-11 09:08:19,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,344 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.4 percent of original size 74 [2021-03-11 09:08:19,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 09:08:19,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:08:19,423 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:19,590 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:19,816 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:20,242 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:20,892 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:21,786 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:22,928 INFO L842 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:24,403 INFO L842 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:26,200 INFO L842 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:28,180 INFO L842 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:29,924 INFO L842 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:31,995 INFO L842 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:34,280 INFO L842 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:37,078 INFO L842 QuantifierPusher]: Run 140 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:40,330 INFO L842 QuantifierPusher]: Run 150 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:44,116 INFO L842 QuantifierPusher]: Run 160 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:48,323 INFO L842 QuantifierPusher]: Run 170 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:53,103 INFO L842 QuantifierPusher]: Run 180 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-11 09:08:58,466 INFO L842 QuantifierPusher]: Run 190 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug.