/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/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 11:38:00,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 11:38:00,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 11:38:00,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 11:38:00,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 11:38:00,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 11:38:00,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 11:38:00,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 11:38:00,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 11:38:00,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 11:38:00,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 11:38:00,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 11:38:00,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 11:38:00,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 11:38:00,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 11:38:00,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 11:38:00,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 11:38:00,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 11:38:00,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 11:38:00,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 11:38:00,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 11:38:00,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 11:38:00,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 11:38:00,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 11:38:00,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 11:38:00,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 11:38:00,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 11:38:00,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 11:38:00,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 11:38:00,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 11:38:00,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 11:38:00,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 11:38:00,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 11:38:00,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 11:38:00,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 11:38:00,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 11:38:00,208 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 11:38:00,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 11:38:00,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 11:38:00,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 11:38:00,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 11:38:00,235 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 11:38:00,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 11:38:00,235 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 11:38:00,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 11:38:00,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 11:38:00,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 11:38:00,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 11:38:00,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 11:38:00,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 11:38:00,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 11:38:00,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 11:38:00,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 11:38:00,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 11:38:00,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 11:38:00,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 11:38:00,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 11:38:00,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 11:38:00,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 11:38:00,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 11:38:00,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 11:38:00,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 11:38:00,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 11:38:00,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 11:38:00,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 11:38:00,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 11:38:00,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 11:38:00,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 11:38:00,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 11:38:00,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 11:38:00,553 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 11:38:00,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-11 11:38:00,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc11d1bf/333f1f2d391e4fb89fb70f6991a80b18/FLAG217136a85 [2021-03-11 11:38:01,186 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 11:38:01,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-11 11:38:01,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc11d1bf/333f1f2d391e4fb89fb70f6991a80b18/FLAG217136a85 [2021-03-11 11:38:01,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc11d1bf/333f1f2d391e4fb89fb70f6991a80b18 [2021-03-11 11:38:01,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 11:38:01,645 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 11:38:01,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 11:38:01,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 11:38:01,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 11:38:01,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:38:01" (1/1) ... [2021-03-11 11:38:01,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532503d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:01, skipping insertion in model container [2021-03-11 11:38:01,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:38:01" (1/1) ... [2021-03-11 11:38:01,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 11:38:01,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 11:38:02,235 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-03-11 11:38:02,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:38:02,282 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 11:38:02,334 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-03-11 11:38:02,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:38:02,633 INFO L208 MainTranslator]: Completed translation [2021-03-11 11:38:02,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02 WrapperNode [2021-03-11 11:38:02,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 11:38:02,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 11:38:02,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 11:38:02,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 11:38:02,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 11:38:02,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 11:38:02,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 11:38:02,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 11:38:02,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (1/1) ... [2021-03-11 11:38:02,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 11:38:02,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 11:38:02,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 11:38:02,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 11:38:02,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (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 11:38:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 11:38:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 11:38:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 11:38:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 11:38:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 11:38:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 11:38:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-11 11:38:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-11 11:38:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 11:38:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 11:38:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 11:38:02,808 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 11:38:03,399 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 11:38:03,400 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-11 11:38:03,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:38:03 BoogieIcfgContainer [2021-03-11 11:38:03,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 11:38:03,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 11:38:03,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 11:38:03,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 11:38:03,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:38:01" (1/3) ... [2021-03-11 11:38:03,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4bfeca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:38:03, skipping insertion in model container [2021-03-11 11:38:03,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:38:02" (2/3) ... [2021-03-11 11:38:03,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4bfeca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:38:03, skipping insertion in model container [2021-03-11 11:38:03,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:38:03" (3/3) ... [2021-03-11 11:38:03,408 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-03-11 11:38:03,412 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 11:38:03,413 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 11:38:03,417 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-11 11:38:03,418 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 11:38:03,461 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,461 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,462 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,462 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,465 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,468 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,468 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,469 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,469 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,470 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,471 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,472 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,472 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,472 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,472 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,473 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,473 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,473 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,474 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,474 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,474 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,475 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,475 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,475 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,475 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,475 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,477 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,478 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,479 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,479 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,479 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,479 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,479 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,479 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,480 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,480 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,488 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,488 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,488 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,489 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,489 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,489 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,491 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,492 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,498 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,502 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,502 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:38:03,513 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 11:38:03,527 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-11 11:38:03,551 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 11:38:03,552 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 11:38:03,552 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 11:38:03,552 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 11:38:03,552 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 11:38:03,552 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 11:38:03,552 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 11:38:03,553 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 11:38:03,565 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 11:38:03,590 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 165 transitions, 352 flow [2021-03-11 11:38:03,592 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 165 transitions, 352 flow [2021-03-11 11:38:03,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 165 transitions, 352 flow [2021-03-11 11:38:03,648 INFO L129 PetriNetUnfolder]: 11/205 cut-off events. [2021-03-11 11:38:03,649 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 11:38:03,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 205 events. 11/205 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 419 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-03-11 11:38:03,656 INFO L116 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-11 11:38:14,298 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-11 11:38:22,567 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-03-11 11:38:45,411 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2021-03-11 11:38:51,004 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-03-11 11:38:58,553 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-03-11 11:38:59,007 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-11 11:38:59,910 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-03-11 11:39:00,122 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-03-11 11:39:00,498 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-03-11 11:39:00,884 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2021-03-11 11:39:01,006 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-03-11 11:39:01,132 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-03-11 11:39:01,366 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-03-11 11:39:01,709 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-11 11:39:01,838 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-11 11:39:01,995 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-11 11:39:02,145 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-03-11 11:39:02,375 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-03-11 11:39:02,581 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-11 11:39:02,776 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-03-11 11:39:02,980 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-03-11 11:39:03,691 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2021-03-11 11:39:04,000 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-03-11 11:39:04,820 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 174 [2021-03-11 11:39:05,184 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-11 11:39:06,910 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2021-03-11 11:39:07,710 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-03-11 11:39:09,706 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 181 DAG size of output: 178 [2021-03-11 11:39:10,641 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-03-11 11:39:10,648 INFO L131 LiptonReduction]: Checked pairs total: 7162 [2021-03-11 11:39:10,648 INFO L133 LiptonReduction]: Total number of compositions: 184 [2021-03-11 11:39:10,654 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 40 transitions, 102 flow [2021-03-11 11:39:10,682 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 425 states, 414 states have (on average 2.582125603864734) internal successors, (1069), 424 states have internal predecessors, (1069), 0 states have call successors, (0), 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 11:39:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 425 states, 414 states have (on average 2.582125603864734) internal successors, (1069), 424 states have internal predecessors, (1069), 0 states have call successors, (0), 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 11:39:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-03-11 11:39:10,688 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:10,688 INFO L519 BasicCegarLoop]: trace histogram [1] [2021-03-11 11:39:10,689 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:10,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:10,693 INFO L82 PathProgramCache]: Analyzing trace with hash 591, now seen corresponding path program 1 times [2021-03-11 11:39:10,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:10,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783386321] [2021-03-11 11:39:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:10,874 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 11:39:10,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783386321] [2021-03-11 11:39:10,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:10,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-03-11 11:39:10,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579316536] [2021-03-11 11:39:10,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-11 11:39:10,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:10,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-11 11:39:10,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 11:39:10,889 INFO L87 Difference]: Start difference. First operand has 425 states, 414 states have (on average 2.582125603864734) internal successors, (1069), 424 states have internal predecessors, (1069), 0 states have call successors, (0), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 11:39:10,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:10,911 INFO L93 Difference]: Finished difference Result 423 states and 1029 transitions. [2021-03-11 11:39:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-11 11:39:10,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 1 [2021-03-11 11:39:10,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:10,922 INFO L225 Difference]: With dead ends: 423 [2021-03-11 11:39:10,922 INFO L226 Difference]: Without dead ends: 385 [2021-03-11 11:39:10,923 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 11:39:10,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-03-11 11:39:10,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2021-03-11 11:39:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 379 states have (on average 2.4564643799472297) internal successors, (931), 384 states have internal predecessors, (931), 0 states have call successors, (0), 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 11:39:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 931 transitions. [2021-03-11 11:39:10,983 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 931 transitions. Word has length 1 [2021-03-11 11:39:10,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:10,983 INFO L480 AbstractCegarLoop]: Abstraction has 385 states and 931 transitions. [2021-03-11 11:39:10,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 11:39:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 931 transitions. [2021-03-11 11:39:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-03-11 11:39:10,984 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:10,984 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-03-11 11:39:10,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 11:39:10,984 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:10,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:10,985 INFO L82 PathProgramCache]: Analyzing trace with hash 18258705, now seen corresponding path program 1 times [2021-03-11 11:39:10,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:10,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328644373] [2021-03-11 11:39:10,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:11,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:11,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:39:11,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:39:11,173 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 11:39:11,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328644373] [2021-03-11 11:39:11,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:11,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 11:39:11,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677381021] [2021-03-11 11:39:11,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:39:11,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:11,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:39:11,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:39:11,176 INFO L87 Difference]: Start difference. First operand 385 states and 931 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 11:39:11,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:11,262 INFO L93 Difference]: Finished difference Result 540 states and 1306 transitions. [2021-03-11 11:39:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:39:11,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-03-11 11:39:11,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:11,267 INFO L225 Difference]: With dead ends: 540 [2021-03-11 11:39:11,267 INFO L226 Difference]: Without dead ends: 540 [2021-03-11 11:39:11,268 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:39:11,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-03-11 11:39:11,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 444. [2021-03-11 11:39:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 439 states have (on average 2.4738041002277904) internal successors, (1086), 443 states have internal predecessors, (1086), 0 states have call successors, (0), 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 11:39:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 1086 transitions. [2021-03-11 11:39:11,308 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 1086 transitions. Word has length 4 [2021-03-11 11:39:11,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:11,308 INFO L480 AbstractCegarLoop]: Abstraction has 444 states and 1086 transitions. [2021-03-11 11:39:11,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 11:39:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1086 transitions. [2021-03-11 11:39:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-03-11 11:39:11,309 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:11,309 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-11 11:39:11,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 11:39:11,309 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:11,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:11,310 INFO L82 PathProgramCache]: Analyzing trace with hash 366747111, now seen corresponding path program 1 times [2021-03-11 11:39:11,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:11,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657808702] [2021-03-11 11:39:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:11,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:11,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:39:11,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 11:39:11,399 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 11:39:11,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657808702] [2021-03-11 11:39:11,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:11,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:39:11,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295075503] [2021-03-11 11:39:11,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:39:11,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:11,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:39:11,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:39:11,401 INFO L87 Difference]: Start difference. First operand 444 states and 1086 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 11:39:11,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:11,499 INFO L93 Difference]: Finished difference Result 599 states and 1429 transitions. [2021-03-11 11:39:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 11:39:11,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 11:39:11,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:11,502 INFO L225 Difference]: With dead ends: 599 [2021-03-11 11:39:11,502 INFO L226 Difference]: Without dead ends: 514 [2021-03-11 11:39:11,502 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:39:11,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-03-11 11:39:11,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 482. [2021-03-11 11:39:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 478 states have (on average 2.5) internal successors, (1195), 481 states have internal predecessors, (1195), 0 states have call successors, (0), 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 11:39:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 1195 transitions. [2021-03-11 11:39:11,520 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 1195 transitions. Word has length 6 [2021-03-11 11:39:11,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:11,520 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 1195 transitions. [2021-03-11 11:39:11,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 11:39:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1195 transitions. [2021-03-11 11:39:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-03-11 11:39:11,522 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:11,522 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:11,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 11:39:11,522 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:11,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:11,523 INFO L82 PathProgramCache]: Analyzing trace with hash 778560413, now seen corresponding path program 1 times [2021-03-11 11:39:11,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:11,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563223349] [2021-03-11 11:39:11,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:11,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:11,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:39:11,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:11,571 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 11:39:11,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563223349] [2021-03-11 11:39:11,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:11,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:39:11,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18443905] [2021-03-11 11:39:11,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:39:11,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:11,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:39:11,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:39:11,572 INFO L87 Difference]: Start difference. First operand 482 states and 1195 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 11:39:11,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:11,591 INFO L93 Difference]: Finished difference Result 162 states and 347 transitions. [2021-03-11 11:39:11,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:39:11,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 11:39:11,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:11,593 INFO L225 Difference]: With dead ends: 162 [2021-03-11 11:39:11,593 INFO L226 Difference]: Without dead ends: 162 [2021-03-11 11:39:11,593 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:39:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-03-11 11:39:11,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2021-03-11 11:39:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 160 states have (on average 2.16875) internal successors, (347), 161 states have internal predecessors, (347), 0 states have call successors, (0), 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 11:39:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 347 transitions. [2021-03-11 11:39:11,597 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 347 transitions. Word has length 10 [2021-03-11 11:39:11,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:11,597 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 347 transitions. [2021-03-11 11:39:11,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 11:39:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 347 transitions. [2021-03-11 11:39:11,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:11,599 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:11,599 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:11,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 11:39:11,599 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:11,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:11,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1407310596, now seen corresponding path program 1 times [2021-03-11 11:39:11,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:11,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695087624] [2021-03-11 11:39:11,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:11,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 11:39:11,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 11:39:11,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 11:39:11,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:11,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:39:11,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:39:11,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:39:11,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 11:39:11,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:11,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:11,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 11:39:11,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:11,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:11,963 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 11:39:11,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695087624] [2021-03-11 11:39:11,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:11,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 11:39:11,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498814629] [2021-03-11 11:39:11,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 11:39:11,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:11,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 11:39:11,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-11 11:39:11,965 INFO L87 Difference]: Start difference. First operand 162 states and 347 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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 11:39:12,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:12,616 INFO L93 Difference]: Finished difference Result 290 states and 627 transitions. [2021-03-11 11:39:12,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:12,617 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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 22 [2021-03-11 11:39:12,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:12,618 INFO L225 Difference]: With dead ends: 290 [2021-03-11 11:39:12,618 INFO L226 Difference]: Without dead ends: 290 [2021-03-11 11:39:12,618 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 431.8ms TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-03-11 11:39:12,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-03-11 11:39:12,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 246. [2021-03-11 11:39:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 244 states have (on average 2.2418032786885247) internal successors, (547), 245 states have internal predecessors, (547), 0 states have call successors, (0), 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 11:39:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 547 transitions. [2021-03-11 11:39:12,625 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 547 transitions. Word has length 22 [2021-03-11 11:39:12,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:12,625 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 547 transitions. [2021-03-11 11:39:12,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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 11:39:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 547 transitions. [2021-03-11 11:39:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:12,627 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:12,627 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:12,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 11:39:12,627 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:12,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:12,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2105499202, now seen corresponding path program 1 times [2021-03-11 11:39:12,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:12,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642395719] [2021-03-11 11:39:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:12,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:12,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:39:12,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:12,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 11:39:12,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:12,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:12,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:12,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:12,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:12,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:12,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:12,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:12,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 11:39:12,746 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 11:39:12,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642395719] [2021-03-11 11:39:12,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:12,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 11:39:12,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147164636] [2021-03-11 11:39:12,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 11:39:12,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:12,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 11:39:12,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-11 11:39:12,752 INFO L87 Difference]: Start difference. First operand 246 states and 547 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 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 11:39:12,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:12,944 INFO L93 Difference]: Finished difference Result 238 states and 479 transitions. [2021-03-11 11:39:12,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 11:39:12,945 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 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 22 [2021-03-11 11:39:12,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:12,946 INFO L225 Difference]: With dead ends: 238 [2021-03-11 11:39:12,946 INFO L226 Difference]: Without dead ends: 238 [2021-03-11 11:39:12,946 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 99.2ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-11 11:39:12,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-03-11 11:39:12,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 210. [2021-03-11 11:39:12,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 208 states have (on average 2.0721153846153846) internal successors, (431), 209 states have internal predecessors, (431), 0 states have call successors, (0), 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 11:39:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 431 transitions. [2021-03-11 11:39:12,953 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 431 transitions. Word has length 22 [2021-03-11 11:39:12,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:12,953 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 431 transitions. [2021-03-11 11:39:12,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 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 11:39:12,954 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 431 transitions. [2021-03-11 11:39:12,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:12,954 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:12,955 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:12,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 11:39:12,958 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:12,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:12,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1975652756, now seen corresponding path program 2 times [2021-03-11 11:39:12,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:12,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106797109] [2021-03-11 11:39:12,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:13,191 INFO L142 QuantifierPusher]: treesize reduction 24, result has 58.6 percent of original size [2021-03-11 11:39:13,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:13,252 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-11 11:39:13,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:39:13,288 INFO L142 QuantifierPusher]: treesize reduction 94, result has 27.1 percent of original size [2021-03-11 11:39:13,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:13,311 INFO L142 QuantifierPusher]: treesize reduction 85, result has 26.1 percent of original size [2021-03-11 11:39:13,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:13,323 INFO L142 QuantifierPusher]: treesize reduction 86, result has 25.2 percent of original size [2021-03-11 11:39:13,324 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-03-11 11:39:13,359 INFO L142 QuantifierPusher]: treesize reduction 91, result has 20.9 percent of original size [2021-03-11 11:39:13,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:13,383 INFO L142 QuantifierPusher]: treesize reduction 91, result has 20.2 percent of original size [2021-03-11 11:39:13,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:39:13,405 INFO L142 QuantifierPusher]: treesize reduction 95, result has 28.6 percent of original size [2021-03-11 11:39:13,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:13,434 INFO L142 QuantifierPusher]: treesize reduction 40, result has 41.2 percent of original size [2021-03-11 11:39:13,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:13,459 INFO L142 QuantifierPusher]: treesize reduction 86, result has 34.4 percent of original size [2021-03-11 11:39:13,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:13,500 INFO L142 QuantifierPusher]: treesize reduction 76, result has 31.5 percent of original size [2021-03-11 11:39:13,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:13,519 INFO L142 QuantifierPusher]: treesize reduction 112, result has 22.8 percent of original size [2021-03-11 11:39:13,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:13,566 INFO L142 QuantifierPusher]: treesize reduction 65, result has 28.6 percent of original size [2021-03-11 11:39:13,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:13,601 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:13,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:13,623 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:13,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:13,624 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:13,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:13,644 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 11:39:13,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106797109] [2021-03-11 11:39:13,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:13,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:13,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540665467] [2021-03-11 11:39:13,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:13,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:13,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:13,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:13,647 INFO L87 Difference]: Start difference. First operand 210 states and 431 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:14,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:14,391 INFO L93 Difference]: Finished difference Result 242 states and 480 transitions. [2021-03-11 11:39:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:39:14,391 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:14,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:14,392 INFO L225 Difference]: With dead ends: 242 [2021-03-11 11:39:14,392 INFO L226 Difference]: Without dead ends: 242 [2021-03-11 11:39:14,393 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 661.9ms TimeCoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:14,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-03-11 11:39:14,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 241. [2021-03-11 11:39:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 239 states have (on average 2.00836820083682) internal successors, (480), 240 states have internal predecessors, (480), 0 states have call successors, (0), 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 11:39:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 480 transitions. [2021-03-11 11:39:14,399 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 480 transitions. Word has length 22 [2021-03-11 11:39:14,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:14,399 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 480 transitions. [2021-03-11 11:39:14,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 480 transitions. [2021-03-11 11:39:14,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:14,400 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:14,400 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:14,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 11:39:14,400 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:14,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:14,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1975652746, now seen corresponding path program 1 times [2021-03-11 11:39:14,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:14,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090488871] [2021-03-11 11:39:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:14,523 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:14,532 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:14,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:14,542 INFO L142 QuantifierPusher]: treesize reduction 5, result has 73.7 percent of original size [2021-03-11 11:39:14,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:39:14,554 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-03-11 11:39:14,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:39:14,567 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:14,591 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:39:14,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:14,601 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:14,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:14,602 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:14,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:14,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:14,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:14,617 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-11 11:39:14,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:14,628 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 11:39:14,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090488871] [2021-03-11 11:39:14,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:14,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 11:39:14,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37136755] [2021-03-11 11:39:14,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 11:39:14,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:14,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 11:39:14,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:39:14,630 INFO L87 Difference]: Start difference. First operand 241 states and 480 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:14,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:14,944 INFO L93 Difference]: Finished difference Result 310 states and 593 transitions. [2021-03-11 11:39:14,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 11:39:14,944 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 22 [2021-03-11 11:39:14,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:14,946 INFO L225 Difference]: With dead ends: 310 [2021-03-11 11:39:14,946 INFO L226 Difference]: Without dead ends: 282 [2021-03-11 11:39:14,946 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 206.2ms TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:39:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-03-11 11:39:14,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 244. [2021-03-11 11:39:14,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 242 states have (on average 2.012396694214876) internal successors, (487), 243 states have internal predecessors, (487), 0 states have call successors, (0), 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 11:39:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 487 transitions. [2021-03-11 11:39:14,952 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 487 transitions. Word has length 22 [2021-03-11 11:39:14,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:14,952 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 487 transitions. [2021-03-11 11:39:14,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:14,952 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 487 transitions. [2021-03-11 11:39:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:14,953 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:14,953 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:14,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 11:39:14,953 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:14,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:14,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1240211904, now seen corresponding path program 3 times [2021-03-11 11:39:14,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:14,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401453648] [2021-03-11 11:39:14,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:15,133 INFO L142 QuantifierPusher]: treesize reduction 24, result has 58.6 percent of original size [2021-03-11 11:39:15,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:15,155 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-11 11:39:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:39:15,187 INFO L142 QuantifierPusher]: treesize reduction 94, result has 27.1 percent of original size [2021-03-11 11:39:15,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:15,205 INFO L142 QuantifierPusher]: treesize reduction 85, result has 26.1 percent of original size [2021-03-11 11:39:15,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:15,213 INFO L142 QuantifierPusher]: treesize reduction 86, result has 25.2 percent of original size [2021-03-11 11:39:15,214 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-03-11 11:39:15,244 INFO L142 QuantifierPusher]: treesize reduction 91, result has 20.9 percent of original size [2021-03-11 11:39:15,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:15,262 INFO L142 QuantifierPusher]: treesize reduction 95, result has 29.1 percent of original size [2021-03-11 11:39:15,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:15,288 INFO L142 QuantifierPusher]: treesize reduction 95, result has 28.6 percent of original size [2021-03-11 11:39:15,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:15,321 INFO L142 QuantifierPusher]: treesize reduction 40, result has 41.2 percent of original size [2021-03-11 11:39:15,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:15,342 INFO L142 QuantifierPusher]: treesize reduction 86, result has 34.4 percent of original size [2021-03-11 11:39:15,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:15,373 INFO L142 QuantifierPusher]: treesize reduction 76, result has 31.5 percent of original size [2021-03-11 11:39:15,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:15,405 INFO L142 QuantifierPusher]: treesize reduction 112, result has 22.8 percent of original size [2021-03-11 11:39:15,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:15,448 INFO L142 QuantifierPusher]: treesize reduction 65, result has 28.6 percent of original size [2021-03-11 11:39:15,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:15,473 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:15,493 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:15,495 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:15,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:15,519 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 11:39:15,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401453648] [2021-03-11 11:39:15,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:15,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:15,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660724467] [2021-03-11 11:39:15,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:15,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:15,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:15,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:15,521 INFO L87 Difference]: Start difference. First operand 244 states and 487 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:16,169 INFO L93 Difference]: Finished difference Result 293 states and 569 transitions. [2021-03-11 11:39:16,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:16,169 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:16,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:16,171 INFO L225 Difference]: With dead ends: 293 [2021-03-11 11:39:16,171 INFO L226 Difference]: Without dead ends: 266 [2021-03-11 11:39:16,171 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 559.4ms TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:16,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-03-11 11:39:16,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 248. [2021-03-11 11:39:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 246 states have (on average 2.0040650406504064) internal successors, (493), 247 states have internal predecessors, (493), 0 states have call successors, (0), 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 11:39:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 493 transitions. [2021-03-11 11:39:16,177 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 493 transitions. Word has length 22 [2021-03-11 11:39:16,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:16,177 INFO L480 AbstractCegarLoop]: Abstraction has 248 states and 493 transitions. [2021-03-11 11:39:16,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 493 transitions. [2021-03-11 11:39:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:16,178 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:16,178 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:16,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 11:39:16,178 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:16,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:16,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1273149526, now seen corresponding path program 4 times [2021-03-11 11:39:16,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:16,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763029745] [2021-03-11 11:39:16,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:16,325 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-11 11:39:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:16,352 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:16,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:16,384 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:16,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:16,403 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:16,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:16,410 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:16,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:16,428 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:16,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:16,448 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:16,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:16,474 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:16,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:16,497 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:16,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:16,534 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:16,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:16,553 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:16,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:16,595 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:16,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:16,637 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:16,670 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:16,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:16,696 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:16,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:16,698 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:16,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:16,718 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 11:39:16,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763029745] [2021-03-11 11:39:16,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:16,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:16,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592641185] [2021-03-11 11:39:16,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:16,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:16,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:16,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:16,720 INFO L87 Difference]: Start difference. First operand 248 states and 493 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:17,378 INFO L93 Difference]: Finished difference Result 292 states and 561 transitions. [2021-03-11 11:39:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 11:39:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:17,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:17,379 INFO L225 Difference]: With dead ends: 292 [2021-03-11 11:39:17,379 INFO L226 Difference]: Without dead ends: 292 [2021-03-11 11:39:17,380 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 640.9ms TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-03-11 11:39:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 270. [2021-03-11 11:39:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 268 states have (on average 1.9738805970149254) internal successors, (529), 269 states have internal predecessors, (529), 0 states have call successors, (0), 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 11:39:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 529 transitions. [2021-03-11 11:39:17,385 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 529 transitions. Word has length 22 [2021-03-11 11:39:17,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:17,386 INFO L480 AbstractCegarLoop]: Abstraction has 270 states and 529 transitions. [2021-03-11 11:39:17,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 529 transitions. [2021-03-11 11:39:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:17,387 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:17,387 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:17,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 11:39:17,387 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:17,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:17,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1273149536, now seen corresponding path program 2 times [2021-03-11 11:39:17,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:17,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658559566] [2021-03-11 11:39:17,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:17,450 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:17,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:17,482 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:17,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:17,493 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-03-11 11:39:17,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:17,506 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-11 11:39:17,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:17,533 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-11 11:39:17,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:17,542 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:39:17,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:17,571 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:17,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:17,580 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:17,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:17,595 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:17,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:17,596 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-11 11:39:17,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:17,610 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 11:39:17,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658559566] [2021-03-11 11:39:17,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:17,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 11:39:17,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023788809] [2021-03-11 11:39:17,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 11:39:17,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:17,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 11:39:17,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:39:17,612 INFO L87 Difference]: Start difference. First operand 270 states and 529 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:17,871 INFO L93 Difference]: Finished difference Result 349 states and 660 transitions. [2021-03-11 11:39:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 11:39:17,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 22 [2021-03-11 11:39:17,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:17,873 INFO L225 Difference]: With dead ends: 349 [2021-03-11 11:39:17,873 INFO L226 Difference]: Without dead ends: 335 [2021-03-11 11:39:17,873 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 218.3ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-03-11 11:39:17,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-03-11 11:39:17,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 286. [2021-03-11 11:39:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 284 states have (on average 1.9964788732394365) internal successors, (567), 285 states have internal predecessors, (567), 0 states have call successors, (0), 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 11:39:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 567 transitions. [2021-03-11 11:39:17,879 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 567 transitions. Word has length 22 [2021-03-11 11:39:17,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:17,880 INFO L480 AbstractCegarLoop]: Abstraction has 286 states and 567 transitions. [2021-03-11 11:39:17,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:17,880 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 567 transitions. [2021-03-11 11:39:17,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:17,881 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:17,881 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:17,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 11:39:17,881 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:17,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:17,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1025522682, now seen corresponding path program 5 times [2021-03-11 11:39:17,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:17,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428516551] [2021-03-11 11:39:17,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:17,986 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-11 11:39:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:18,010 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:18,043 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:18,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:18,063 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:18,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:18,077 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:18,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:18,096 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:18,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:18,119 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:18,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:18,145 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:18,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:18,168 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:18,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:18,203 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:18,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:18,216 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:18,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:18,258 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-11 11:39:18,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:18,289 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-11 11:39:18,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:39:18,308 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:18,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:18,328 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:18,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:18,329 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:18,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:18,345 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 11:39:18,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428516551] [2021-03-11 11:39:18,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:18,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:18,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729221349] [2021-03-11 11:39:18,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:18,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:18,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:18,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:18,347 INFO L87 Difference]: Start difference. First operand 286 states and 567 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:18,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:18,984 INFO L93 Difference]: Finished difference Result 330 states and 630 transitions. [2021-03-11 11:39:18,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:39:18,984 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:18,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:18,986 INFO L225 Difference]: With dead ends: 330 [2021-03-11 11:39:18,986 INFO L226 Difference]: Without dead ends: 318 [2021-03-11 11:39:18,986 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 546.0ms TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:18,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-03-11 11:39:18,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 282. [2021-03-11 11:39:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 280 states have (on average 1.9964285714285714) internal successors, (559), 281 states have internal predecessors, (559), 0 states have call successors, (0), 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 11:39:18,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 559 transitions. [2021-03-11 11:39:18,992 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 559 transitions. Word has length 22 [2021-03-11 11:39:18,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:18,992 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 559 transitions. [2021-03-11 11:39:18,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 559 transitions. [2021-03-11 11:39:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:18,993 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:18,993 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:18,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 11:39:18,993 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:18,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:18,994 INFO L82 PathProgramCache]: Analyzing trace with hash 385055400, now seen corresponding path program 6 times [2021-03-11 11:39:18,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:18,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945055042] [2021-03-11 11:39:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:19,096 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-11 11:39:19,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:19,119 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:19,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:19,153 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:19,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:19,171 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:19,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:19,179 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:19,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:19,197 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:19,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:19,217 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:19,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:19,243 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:19,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:19,260 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:19,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:19,286 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:19,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:19,300 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:19,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:19,339 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:19,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:19,371 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:19,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:19,427 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:19,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:19,449 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:19,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:19,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:19,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:19,469 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 11:39:19,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945055042] [2021-03-11 11:39:19,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:19,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:19,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960782978] [2021-03-11 11:39:19,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:19,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:19,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:19,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:19,471 INFO L87 Difference]: Start difference. First operand 282 states and 559 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:20,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:20,177 INFO L93 Difference]: Finished difference Result 323 states and 619 transitions. [2021-03-11 11:39:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:39:20,177 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:20,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:20,179 INFO L225 Difference]: With dead ends: 323 [2021-03-11 11:39:20,179 INFO L226 Difference]: Without dead ends: 303 [2021-03-11 11:39:20,179 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 615.5ms TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:20,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-03-11 11:39:20,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 302. [2021-03-11 11:39:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 300 states have (on average 1.9633333333333334) internal successors, (589), 301 states have internal predecessors, (589), 0 states have call successors, (0), 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 11:39:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 589 transitions. [2021-03-11 11:39:20,185 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 589 transitions. Word has length 22 [2021-03-11 11:39:20,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:20,186 INFO L480 AbstractCegarLoop]: Abstraction has 302 states and 589 transitions. [2021-03-11 11:39:20,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 589 transitions. [2021-03-11 11:39:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:20,186 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:20,186 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:20,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 11:39:20,187 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:20,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:20,187 INFO L82 PathProgramCache]: Analyzing trace with hash -564190016, now seen corresponding path program 3 times [2021-03-11 11:39:20,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:20,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932904525] [2021-03-11 11:39:20,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:20,266 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:20,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:20,274 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:20,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:20,283 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-03-11 11:39:20,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:20,293 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-03-11 11:39:20,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:39:20,312 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:20,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:20,337 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:39:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:20,347 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:20,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:20,348 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:20,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:20,361 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:20,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:20,362 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-11 11:39:20,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:20,375 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 11:39:20,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932904525] [2021-03-11 11:39:20,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:20,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 11:39:20,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788424022] [2021-03-11 11:39:20,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 11:39:20,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:20,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 11:39:20,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:39:20,376 INFO L87 Difference]: Start difference. First operand 302 states and 589 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:20,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:20,672 INFO L93 Difference]: Finished difference Result 391 states and 724 transitions. [2021-03-11 11:39:20,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 11:39:20,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 22 [2021-03-11 11:39:20,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:20,674 INFO L225 Difference]: With dead ends: 391 [2021-03-11 11:39:20,674 INFO L226 Difference]: Without dead ends: 361 [2021-03-11 11:39:20,674 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 186.9ms TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:39:20,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-03-11 11:39:20,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 263. [2021-03-11 11:39:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 261 states have (on average 2.0153256704980844) internal successors, (526), 262 states have internal predecessors, (526), 0 states have call successors, (0), 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 11:39:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 526 transitions. [2021-03-11 11:39:20,680 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 526 transitions. Word has length 22 [2021-03-11 11:39:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:20,680 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 526 transitions. [2021-03-11 11:39:20,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 526 transitions. [2021-03-11 11:39:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:20,681 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:20,681 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:20,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 11:39:20,681 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:20,681 INFO L82 PathProgramCache]: Analyzing trace with hash 362139326, now seen corresponding path program 7 times [2021-03-11 11:39:20,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:20,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837664964] [2021-03-11 11:39:20,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:20,785 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-11 11:39:20,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:20,812 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:20,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:20,844 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:20,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:20,863 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:20,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:20,870 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:20,888 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:20,912 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:20,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:20,934 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:20,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:20,956 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:20,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:20,992 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:21,006 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:21,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:21,047 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-11 11:39:21,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:21,080 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-11 11:39:21,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:39:21,097 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:21,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:21,113 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:21,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:21,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:21,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:21,130 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 11:39:21,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837664964] [2021-03-11 11:39:21,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:21,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:21,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717493598] [2021-03-11 11:39:21,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:21,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:21,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:21,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:21,132 INFO L87 Difference]: Start difference. First operand 263 states and 526 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:21,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:21,843 INFO L93 Difference]: Finished difference Result 311 states and 602 transitions. [2021-03-11 11:39:21,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 11:39:21,844 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:21,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:21,845 INFO L225 Difference]: With dead ends: 311 [2021-03-11 11:39:21,845 INFO L226 Difference]: Without dead ends: 297 [2021-03-11 11:39:21,845 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 626.4ms TimeCoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:21,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-03-11 11:39:21,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 275. [2021-03-11 11:39:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 273 states have (on average 2.0036630036630036) internal successors, (547), 274 states have internal predecessors, (547), 0 states have call successors, (0), 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 11:39:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 547 transitions. [2021-03-11 11:39:21,851 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 547 transitions. Word has length 22 [2021-03-11 11:39:21,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:21,851 INFO L480 AbstractCegarLoop]: Abstraction has 275 states and 547 transitions. [2021-03-11 11:39:21,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 547 transitions. [2021-03-11 11:39:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:21,852 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:21,852 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:21,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 11:39:21,852 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:21,852 INFO L82 PathProgramCache]: Analyzing trace with hash 337649918, now seen corresponding path program 8 times [2021-03-11 11:39:21,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:21,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632535484] [2021-03-11 11:39:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:21,924 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-11 11:39:21,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:21,948 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:21,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:21,984 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:21,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:22,004 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:22,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:22,012 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:22,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:22,031 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:22,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:22,057 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:22,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:22,077 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:22,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:22,099 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:22,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:22,134 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:22,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:22,148 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:22,189 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:22,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:22,231 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:22,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:22,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:22,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:22,284 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:22,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:22,285 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:22,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:22,306 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 11:39:22,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632535484] [2021-03-11 11:39:22,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:22,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:22,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45809151] [2021-03-11 11:39:22,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:22,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:22,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:22,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:22,307 INFO L87 Difference]: Start difference. First operand 275 states and 547 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:23,037 INFO L93 Difference]: Finished difference Result 311 states and 601 transitions. [2021-03-11 11:39:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 11:39:23,037 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:23,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:23,039 INFO L225 Difference]: With dead ends: 311 [2021-03-11 11:39:23,039 INFO L226 Difference]: Without dead ends: 295 [2021-03-11 11:39:23,039 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 677.3ms TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-03-11 11:39:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 273. [2021-03-11 11:39:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 271 states have (on average 2.003690036900369) internal successors, (543), 272 states have internal predecessors, (543), 0 states have call successors, (0), 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 11:39:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 543 transitions. [2021-03-11 11:39:23,045 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 543 transitions. Word has length 22 [2021-03-11 11:39:23,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:23,045 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 543 transitions. [2021-03-11 11:39:23,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 543 transitions. [2021-03-11 11:39:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:23,046 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:23,046 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:23,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 11:39:23,046 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash -752530388, now seen corresponding path program 9 times [2021-03-11 11:39:23,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:23,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866370769] [2021-03-11 11:39:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:23,127 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-11 11:39:23,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:23,155 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:23,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:23,187 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:23,207 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:23,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:23,214 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:23,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:23,233 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:23,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:23,257 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:23,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:23,278 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:23,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:23,299 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:23,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:23,335 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:23,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:23,348 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:23,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:23,381 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:23,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:23,414 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:23,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:23,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:23,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:23,458 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:23,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:23,473 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 11:39:23,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866370769] [2021-03-11 11:39:23,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:23,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:23,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019467184] [2021-03-11 11:39:23,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:23,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:23,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:23,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:23,475 INFO L87 Difference]: Start difference. First operand 273 states and 543 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:24,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:24,114 INFO L93 Difference]: Finished difference Result 304 states and 593 transitions. [2021-03-11 11:39:24,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:24,114 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:24,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:24,116 INFO L225 Difference]: With dead ends: 304 [2021-03-11 11:39:24,116 INFO L226 Difference]: Without dead ends: 278 [2021-03-11 11:39:24,116 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 607.2ms TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-03-11 11:39:24,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 269. [2021-03-11 11:39:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 2.0037453183520597) internal successors, (535), 268 states have internal predecessors, (535), 0 states have call successors, (0), 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 11:39:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 535 transitions. [2021-03-11 11:39:24,121 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 535 transitions. Word has length 22 [2021-03-11 11:39:24,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:24,121 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 535 transitions. [2021-03-11 11:39:24,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 535 transitions. [2021-03-11 11:39:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:24,122 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:24,122 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:24,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 11:39:24,122 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:24,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:24,123 INFO L82 PathProgramCache]: Analyzing trace with hash -632256788, now seen corresponding path program 10 times [2021-03-11 11:39:24,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:24,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259609793] [2021-03-11 11:39:24,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:24,209 INFO L142 QuantifierPusher]: treesize reduction 24, result has 58.6 percent of original size [2021-03-11 11:39:24,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:24,229 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-11 11:39:24,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:39:24,258 INFO L142 QuantifierPusher]: treesize reduction 94, result has 27.1 percent of original size [2021-03-11 11:39:24,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:24,278 INFO L142 QuantifierPusher]: treesize reduction 85, result has 26.1 percent of original size [2021-03-11 11:39:24,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:24,286 INFO L142 QuantifierPusher]: treesize reduction 86, result has 25.2 percent of original size [2021-03-11 11:39:24,286 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-03-11 11:39:24,312 INFO L142 QuantifierPusher]: treesize reduction 95, result has 29.1 percent of original size [2021-03-11 11:39:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:24,330 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-11 11:39:24,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:24,345 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-11 11:39:24,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:24,362 INFO L142 QuantifierPusher]: treesize reduction 40, result has 41.2 percent of original size [2021-03-11 11:39:24,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:24,388 INFO L142 QuantifierPusher]: treesize reduction 86, result has 34.4 percent of original size [2021-03-11 11:39:24,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:24,419 INFO L142 QuantifierPusher]: treesize reduction 76, result has 31.5 percent of original size [2021-03-11 11:39:24,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:24,432 INFO L142 QuantifierPusher]: treesize reduction 112, result has 22.8 percent of original size [2021-03-11 11:39:24,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:24,468 INFO L142 QuantifierPusher]: treesize reduction 65, result has 28.6 percent of original size [2021-03-11 11:39:24,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:24,493 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:24,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:24,509 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:24,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:24,525 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 11:39:24,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259609793] [2021-03-11 11:39:24,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:24,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:24,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981417381] [2021-03-11 11:39:24,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:24,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:24,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:24,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:24,527 INFO L87 Difference]: Start difference. First operand 269 states and 535 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:25,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:25,136 INFO L93 Difference]: Finished difference Result 296 states and 576 transitions. [2021-03-11 11:39:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:25,136 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:25,137 INFO L225 Difference]: With dead ends: 296 [2021-03-11 11:39:25,137 INFO L226 Difference]: Without dead ends: 259 [2021-03-11 11:39:25,138 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 548.5ms TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:25,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-03-11 11:39:25,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2021-03-11 11:39:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 257 states have (on average 2.019455252918288) internal successors, (519), 258 states have internal predecessors, (519), 0 states have call successors, (0), 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 11:39:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 519 transitions. [2021-03-11 11:39:25,143 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 519 transitions. Word has length 22 [2021-03-11 11:39:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:25,143 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 519 transitions. [2021-03-11 11:39:25,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 519 transitions. [2021-03-11 11:39:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:25,144 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:25,144 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:25,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 11:39:25,144 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:25,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:25,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1049919486, now seen corresponding path program 11 times [2021-03-11 11:39:25,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:25,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489391648] [2021-03-11 11:39:25,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:25,213 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-03-11 11:39:25,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:25,236 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.2 percent of original size [2021-03-11 11:39:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:25,283 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:25,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:25,304 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:25,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:25,312 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:25,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:25,319 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:25,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:25,339 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:25,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:25,361 INFO L142 QuantifierPusher]: treesize reduction 42, result has 39.1 percent of original size [2021-03-11 11:39:25,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:25,385 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:25,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:25,414 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:25,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:25,436 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:25,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:25,471 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:25,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:25,486 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:25,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:25,527 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:25,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:25,558 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:25,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:25,579 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:25,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:25,579 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:25,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:25,599 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 11:39:25,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489391648] [2021-03-11 11:39:25,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:25,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:25,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114591632] [2021-03-11 11:39:25,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:25,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:25,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:25,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:25,601 INFO L87 Difference]: Start difference. First operand 259 states and 519 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:26,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:26,341 INFO L93 Difference]: Finished difference Result 308 states and 607 transitions. [2021-03-11 11:39:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:26,341 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:26,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:26,342 INFO L225 Difference]: With dead ends: 308 [2021-03-11 11:39:26,342 INFO L226 Difference]: Without dead ends: 280 [2021-03-11 11:39:26,342 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 704.6ms TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:26,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-03-11 11:39:26,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 261. [2021-03-11 11:39:26,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 259 states have (on average 2.0154440154440154) internal successors, (522), 260 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 11:39:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 522 transitions. [2021-03-11 11:39:26,347 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 522 transitions. Word has length 22 [2021-03-11 11:39:26,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:26,348 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 522 transitions. [2021-03-11 11:39:26,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 522 transitions. [2021-03-11 11:39:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:26,348 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:26,348 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:26,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 11:39:26,349 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:26,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:26,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1785360338, now seen corresponding path program 12 times [2021-03-11 11:39:26,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:26,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146840789] [2021-03-11 11:39:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:26,415 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-03-11 11:39:26,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:26,440 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.2 percent of original size [2021-03-11 11:39:26,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:26,472 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:26,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:26,491 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:26,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:26,499 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:26,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:26,506 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:26,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:26,524 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:26,544 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:26,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:26,593 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:26,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:26,621 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:26,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:26,643 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:26,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:26,679 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:26,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:26,695 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:26,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:26,741 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:26,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:26,773 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:26,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:26,795 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:26,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:26,796 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:26,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:26,816 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 11:39:26,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146840789] [2021-03-11 11:39:26,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:26,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:26,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160208542] [2021-03-11 11:39:26,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:26,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:26,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:26,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:26,818 INFO L87 Difference]: Start difference. First operand 261 states and 522 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:27,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:27,556 INFO L93 Difference]: Finished difference Result 329 states and 646 transitions. [2021-03-11 11:39:27,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:27,556 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:27,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:27,557 INFO L225 Difference]: With dead ends: 329 [2021-03-11 11:39:27,557 INFO L226 Difference]: Without dead ends: 302 [2021-03-11 11:39:27,557 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 661.0ms TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:27,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-03-11 11:39:27,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 265. [2021-03-11 11:39:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 263 states have (on average 2.0076045627376424) internal successors, (528), 264 states have internal predecessors, (528), 0 states have call successors, (0), 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 11:39:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 528 transitions. [2021-03-11 11:39:27,562 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 528 transitions. Word has length 22 [2021-03-11 11:39:27,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:27,562 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 528 transitions. [2021-03-11 11:39:27,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 528 transitions. [2021-03-11 11:39:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:27,563 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:27,563 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:27,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 11:39:27,563 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:27,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:27,564 INFO L82 PathProgramCache]: Analyzing trace with hash -3754472, now seen corresponding path program 13 times [2021-03-11 11:39:27,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:27,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560848144] [2021-03-11 11:39:27,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:27,628 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:27,651 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:27,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:27,683 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:27,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:27,700 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:27,706 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:27,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:27,713 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:27,731 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:27,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:27,748 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:27,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:27,779 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:27,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:27,797 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:27,824 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:27,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:27,853 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:27,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:27,887 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:27,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:27,931 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:27,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:27,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:27,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:27,979 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:27,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:27,980 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:27,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:27,995 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 11:39:27,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560848144] [2021-03-11 11:39:27,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:27,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:27,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234250636] [2021-03-11 11:39:27,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:27,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:27,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:27,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:27,997 INFO L87 Difference]: Start difference. First operand 265 states and 528 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:28,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:28,721 INFO L93 Difference]: Finished difference Result 327 states and 637 transitions. [2021-03-11 11:39:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 11:39:28,722 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:28,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:28,723 INFO L225 Difference]: With dead ends: 327 [2021-03-11 11:39:28,723 INFO L226 Difference]: Without dead ends: 313 [2021-03-11 11:39:28,723 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 608.9ms TimeCoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:28,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-03-11 11:39:28,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 273. [2021-03-11 11:39:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 271 states have (on average 2.0) internal successors, (542), 272 states have internal predecessors, (542), 0 states have call successors, (0), 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 11:39:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 542 transitions. [2021-03-11 11:39:28,728 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 542 transitions. Word has length 22 [2021-03-11 11:39:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:28,728 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 542 transitions. [2021-03-11 11:39:28,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 542 transitions. [2021-03-11 11:39:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:28,729 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:28,729 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:28,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 11:39:28,729 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:28,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:28,730 INFO L82 PathProgramCache]: Analyzing trace with hash 243872372, now seen corresponding path program 14 times [2021-03-11 11:39:28,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:28,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515984036] [2021-03-11 11:39:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:28,793 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:28,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:28,818 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:28,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:28,853 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:28,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:28,876 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:28,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:28,885 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:28,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:28,894 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:28,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:28,915 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:28,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:28,940 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:28,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:28,966 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:28,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:28,982 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:28,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:29,008 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:29,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:29,019 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:29,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:29,071 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-11 11:39:29,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:29,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-11 11:39:29,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:39:29,109 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:29,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:29,125 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:29,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:29,126 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:29,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:29,141 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 11:39:29,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515984036] [2021-03-11 11:39:29,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:29,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:29,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854966491] [2021-03-11 11:39:29,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:29,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:29,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:29,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:29,142 INFO L87 Difference]: Start difference. First operand 273 states and 542 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:29,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:29,780 INFO L93 Difference]: Finished difference Result 319 states and 621 transitions. [2021-03-11 11:39:29,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:39:29,780 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:29,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:29,782 INFO L225 Difference]: With dead ends: 319 [2021-03-11 11:39:29,782 INFO L226 Difference]: Without dead ends: 307 [2021-03-11 11:39:29,782 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 574.2ms TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:29,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2021-03-11 11:39:29,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 269. [2021-03-11 11:39:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 2.0) internal successors, (534), 268 states have internal predecessors, (534), 0 states have call successors, (0), 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 11:39:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 534 transitions. [2021-03-11 11:39:29,787 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 534 transitions. Word has length 22 [2021-03-11 11:39:29,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:29,787 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 534 transitions. [2021-03-11 11:39:29,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 534 transitions. [2021-03-11 11:39:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:29,788 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:29,788 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:29,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-11 11:39:29,788 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:29,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:29,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1654450454, now seen corresponding path program 15 times [2021-03-11 11:39:29,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:29,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513044641] [2021-03-11 11:39:29,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:29,848 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:29,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:29,872 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:29,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:29,906 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:29,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:29,928 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:29,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:29,936 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:29,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:29,944 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:29,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:29,965 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:29,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:29,987 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:29,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:30,015 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:30,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:30,037 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:30,071 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:30,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:30,084 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:30,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:30,118 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:30,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:30,158 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:30,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:30,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:30,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:30,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:30,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:30,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:30,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:30,233 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 11:39:30,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513044641] [2021-03-11 11:39:30,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:30,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:30,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224923692] [2021-03-11 11:39:30,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:30,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:30,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:30,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:30,234 INFO L87 Difference]: Start difference. First operand 269 states and 534 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:30,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:30,983 INFO L93 Difference]: Finished difference Result 310 states and 609 transitions. [2021-03-11 11:39:30,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:30,984 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:30,985 INFO L225 Difference]: With dead ends: 310 [2021-03-11 11:39:30,985 INFO L226 Difference]: Without dead ends: 278 [2021-03-11 11:39:30,985 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 695.0ms TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-03-11 11:39:30,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 259. [2021-03-11 11:39:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 257 states have (on average 2.0155642023346303) internal successors, (518), 258 states have internal predecessors, (518), 0 states have call successors, (0), 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 11:39:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 518 transitions. [2021-03-11 11:39:30,989 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 518 transitions. Word has length 22 [2021-03-11 11:39:30,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:30,990 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 518 transitions. [2021-03-11 11:39:30,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 518 transitions. [2021-03-11 11:39:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:30,990 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:30,990 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:30,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-11 11:39:30,991 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:30,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:30,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1631534380, now seen corresponding path program 16 times [2021-03-11 11:39:30,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:30,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161090235] [2021-03-11 11:39:30,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:31,051 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:31,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:31,075 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:31,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:31,110 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:31,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:31,132 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:31,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:31,141 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:31,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:31,149 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:31,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:31,170 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:31,197 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:31,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:31,217 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:31,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:31,238 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:31,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:31,273 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:31,287 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:31,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:31,327 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-11 11:39:31,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:31,357 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-11 11:39:31,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:39:31,377 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:31,398 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:31,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:31,399 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:31,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:31,419 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 11:39:31,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161090235] [2021-03-11 11:39:31,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:31,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:31,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46478666] [2021-03-11 11:39:31,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:31,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:31,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:31,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:31,421 INFO L87 Difference]: Start difference. First operand 259 states and 518 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:32,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:32,319 INFO L93 Difference]: Finished difference Result 367 states and 715 transitions. [2021-03-11 11:39:32,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 11:39:32,319 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:32,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:32,320 INFO L225 Difference]: With dead ends: 367 [2021-03-11 11:39:32,320 INFO L226 Difference]: Without dead ends: 353 [2021-03-11 11:39:32,320 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 687.4ms TimeCoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:32,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-03-11 11:39:32,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 269. [2021-03-11 11:39:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 2.00749063670412) internal successors, (536), 268 states have internal predecessors, (536), 0 states have call successors, (0), 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 11:39:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 536 transitions. [2021-03-11 11:39:32,325 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 536 transitions. Word has length 22 [2021-03-11 11:39:32,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:32,325 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 536 transitions. [2021-03-11 11:39:32,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:32,326 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 536 transitions. [2021-03-11 11:39:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:32,326 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:32,326 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:32,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-11 11:39:32,326 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:32,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:32,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1607044972, now seen corresponding path program 17 times [2021-03-11 11:39:32,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:32,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285730626] [2021-03-11 11:39:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:32,384 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:32,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:32,408 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:32,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:32,440 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:32,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:32,460 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:32,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:32,469 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:32,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:32,476 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:32,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:32,497 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:32,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:32,524 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:32,545 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:32,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:32,566 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:32,601 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:32,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:32,615 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:32,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:32,653 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:32,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:32,687 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:32,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:32,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:32,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:32,729 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:32,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:32,730 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:32,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:32,745 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 11:39:32,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285730626] [2021-03-11 11:39:32,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:32,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:32,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968556225] [2021-03-11 11:39:32,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:32,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:32,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:32,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:32,747 INFO L87 Difference]: Start difference. First operand 269 states and 536 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:33,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:33,527 INFO L93 Difference]: Finished difference Result 367 states and 714 transitions. [2021-03-11 11:39:33,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 11:39:33,528 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:33,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:33,529 INFO L225 Difference]: With dead ends: 367 [2021-03-11 11:39:33,529 INFO L226 Difference]: Without dead ends: 351 [2021-03-11 11:39:33,529 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 670.9ms TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-03-11 11:39:33,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 267. [2021-03-11 11:39:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 265 states have (on average 2.0075471698113208) internal successors, (532), 266 states have internal predecessors, (532), 0 states have call successors, (0), 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 11:39:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 532 transitions. [2021-03-11 11:39:33,534 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 532 transitions. Word has length 22 [2021-03-11 11:39:33,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:33,534 INFO L480 AbstractCegarLoop]: Abstraction has 267 states and 532 transitions. [2021-03-11 11:39:33,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:33,534 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 532 transitions. [2021-03-11 11:39:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:33,535 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:33,535 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:33,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-11 11:39:33,535 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:33,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:33,535 INFO L82 PathProgramCache]: Analyzing trace with hash 516864666, now seen corresponding path program 18 times [2021-03-11 11:39:33,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:33,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799232758] [2021-03-11 11:39:33,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:33,592 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:33,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:33,618 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:33,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:33,664 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:33,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:33,682 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:33,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:33,688 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:33,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:33,694 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:33,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:33,709 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:33,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:33,728 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:33,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:33,742 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:33,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:33,763 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:33,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:33,790 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:33,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:33,800 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:33,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:33,826 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:33,858 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:33,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:33,883 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:33,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:33,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:33,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:33,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:33,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:33,917 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 11:39:33,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799232758] [2021-03-11 11:39:33,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:33,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:33,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183776587] [2021-03-11 11:39:33,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:33,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:33,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:33,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:33,918 INFO L87 Difference]: Start difference. First operand 267 states and 532 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:34,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:34,694 INFO L93 Difference]: Finished difference Result 360 states and 706 transitions. [2021-03-11 11:39:34,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:34,695 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:34,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:34,695 INFO L225 Difference]: With dead ends: 360 [2021-03-11 11:39:34,695 INFO L226 Difference]: Without dead ends: 334 [2021-03-11 11:39:34,696 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 625.1ms TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:34,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2021-03-11 11:39:34,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 263. [2021-03-11 11:39:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 261 states have (on average 2.007662835249042) internal successors, (524), 262 states have internal predecessors, (524), 0 states have call successors, (0), 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 11:39:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 524 transitions. [2021-03-11 11:39:34,700 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 524 transitions. Word has length 22 [2021-03-11 11:39:34,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:34,700 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 524 transitions. [2021-03-11 11:39:34,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 524 transitions. [2021-03-11 11:39:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:34,701 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:34,701 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:34,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-11 11:39:34,701 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:34,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:34,701 INFO L82 PathProgramCache]: Analyzing trace with hash 637138266, now seen corresponding path program 19 times [2021-03-11 11:39:34,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:34,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591611378] [2021-03-11 11:39:34,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:34,759 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-03-11 11:39:34,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:34,783 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.2 percent of original size [2021-03-11 11:39:34,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:34,814 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:34,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:34,834 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:34,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:34,847 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:34,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:34,854 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:34,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:34,886 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:34,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:34,913 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:34,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:34,932 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:34,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:34,953 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:34,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:34,974 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:34,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:35,004 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:35,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:35,016 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:35,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:35,049 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:35,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:35,073 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:35,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:35,098 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:35,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:35,100 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:35,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:35,115 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 11:39:35,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591611378] [2021-03-11 11:39:35,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:35,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:35,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393036249] [2021-03-11 11:39:35,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:35,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:35,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:35,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:35,117 INFO L87 Difference]: Start difference. First operand 263 states and 524 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:35,829 INFO L93 Difference]: Finished difference Result 352 states and 689 transitions. [2021-03-11 11:39:35,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:35,830 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:35,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:35,831 INFO L225 Difference]: With dead ends: 352 [2021-03-11 11:39:35,831 INFO L226 Difference]: Without dead ends: 318 [2021-03-11 11:39:35,831 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 618.9ms TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:35,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-03-11 11:39:35,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 256. [2021-03-11 11:39:35,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 254 states have (on average 2.0196850393700787) internal successors, (513), 255 states have internal predecessors, (513), 0 states have call successors, (0), 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 11:39:35,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 513 transitions. [2021-03-11 11:39:35,835 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 513 transitions. Word has length 22 [2021-03-11 11:39:35,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:35,835 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 513 transitions. [2021-03-11 11:39:35,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 513 transitions. [2021-03-11 11:39:35,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:35,836 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:35,836 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:35,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-11 11:39:35,836 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:35,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:35,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1131183344, now seen corresponding path program 20 times [2021-03-11 11:39:35,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:35,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926014794] [2021-03-11 11:39:35,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:35,894 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-03-11 11:39:35,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:35,918 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.2 percent of original size [2021-03-11 11:39:35,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:35,952 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:35,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:35,974 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:35,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:35,981 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:35,986 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:35,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:36,002 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:36,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:36,017 INFO L142 QuantifierPusher]: treesize reduction 42, result has 39.1 percent of original size [2021-03-11 11:39:36,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:36,053 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:36,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:36,074 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:36,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:36,092 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:36,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:36,120 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:36,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:36,132 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:36,168 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:36,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:36,193 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:36,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:36,209 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:36,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:36,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:36,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:36,226 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 11:39:36,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926014794] [2021-03-11 11:39:36,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:36,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:36,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381957117] [2021-03-11 11:39:36,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:36,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:36,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:36,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:36,227 INFO L87 Difference]: Start difference. First operand 256 states and 513 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:36,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:36,870 INFO L93 Difference]: Finished difference Result 284 states and 555 transitions. [2021-03-11 11:39:36,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:36,870 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:36,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:36,871 INFO L225 Difference]: With dead ends: 284 [2021-03-11 11:39:36,871 INFO L226 Difference]: Without dead ends: 256 [2021-03-11 11:39:36,872 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 589.7ms TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:36,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-03-11 11:39:36,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-03-11 11:39:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 254 states have (on average 2.015748031496063) internal successors, (512), 255 states have internal predecessors, (512), 0 states have call successors, (0), 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 11:39:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 512 transitions. [2021-03-11 11:39:36,876 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 512 transitions. Word has length 22 [2021-03-11 11:39:36,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:36,876 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 512 transitions. [2021-03-11 11:39:36,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 512 transitions. [2021-03-11 11:39:36,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:36,877 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:36,877 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:36,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-11 11:39:36,877 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:36,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:36,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1866624196, now seen corresponding path program 21 times [2021-03-11 11:39:36,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:36,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141567663] [2021-03-11 11:39:36,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:36,947 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-03-11 11:39:36,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:36,971 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.2 percent of original size [2021-03-11 11:39:36,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:37,006 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:37,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:37,028 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:37,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:37,037 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:37,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:37,044 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:37,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:37,060 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:37,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:37,076 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:37,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:37,097 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:37,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:37,118 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:37,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:37,140 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:37,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:37,170 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:37,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:37,182 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:37,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:37,217 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:37,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:37,255 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:37,274 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:37,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:37,274 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:37,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:37,290 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 11:39:37,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141567663] [2021-03-11 11:39:37,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:37,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:37,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12846709] [2021-03-11 11:39:37,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:37,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:37,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:37,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:37,291 INFO L87 Difference]: Start difference. First operand 256 states and 512 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:37,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:37,969 INFO L93 Difference]: Finished difference Result 303 states and 590 transitions. [2021-03-11 11:39:37,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:37,970 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:37,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:37,970 INFO L225 Difference]: With dead ends: 303 [2021-03-11 11:39:37,970 INFO L226 Difference]: Without dead ends: 276 [2021-03-11 11:39:37,971 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 601.6ms TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:37,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-03-11 11:39:37,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 256. [2021-03-11 11:39:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 254 states have (on average 2.0078740157480315) internal successors, (510), 255 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 11:39:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 510 transitions. [2021-03-11 11:39:37,974 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 510 transitions. Word has length 22 [2021-03-11 11:39:37,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:37,974 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 510 transitions. [2021-03-11 11:39:37,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 510 transitions. [2021-03-11 11:39:37,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:37,975 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:37,975 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:37,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-11 11:39:37,975 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:37,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:37,976 INFO L82 PathProgramCache]: Analyzing trace with hash -85018330, now seen corresponding path program 22 times [2021-03-11 11:39:37,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:37,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356255188] [2021-03-11 11:39:37,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:38,032 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:38,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:38,056 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:38,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:38,096 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:38,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:38,118 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:38,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:38,127 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:38,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:38,135 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:38,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:38,157 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:38,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:38,179 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:38,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:38,205 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:38,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:38,222 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:38,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:38,254 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:38,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:38,264 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:38,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:38,298 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:38,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:38,343 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:38,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:38,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:38,393 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:38,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:38,394 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:38,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:38,409 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 11:39:38,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356255188] [2021-03-11 11:39:38,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:38,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:38,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145300668] [2021-03-11 11:39:38,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:38,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:38,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:38,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:38,411 INFO L87 Difference]: Start difference. First operand 256 states and 510 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:39,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:39,131 INFO L93 Difference]: Finished difference Result 291 states and 563 transitions. [2021-03-11 11:39:39,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 11:39:39,132 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:39,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:39,132 INFO L225 Difference]: With dead ends: 291 [2021-03-11 11:39:39,133 INFO L226 Difference]: Without dead ends: 277 [2021-03-11 11:39:39,133 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 644.6ms TimeCoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-03-11 11:39:39,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 256. [2021-03-11 11:39:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 254 states have (on average 2.0) internal successors, (508), 255 states have internal predecessors, (508), 0 states have call successors, (0), 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 11:39:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 508 transitions. [2021-03-11 11:39:39,137 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 508 transitions. Word has length 22 [2021-03-11 11:39:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:39,137 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 508 transitions. [2021-03-11 11:39:39,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 508 transitions. [2021-03-11 11:39:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:39,138 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:39,138 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:39,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-11 11:39:39,138 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:39,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:39,138 INFO L82 PathProgramCache]: Analyzing trace with hash 162608514, now seen corresponding path program 23 times [2021-03-11 11:39:39,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:39,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640844285] [2021-03-11 11:39:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:39,236 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:39,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:39,259 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:39,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:39,295 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:39,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:39,310 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:39,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:39,316 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:39,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:39,322 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:39,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:39,341 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:39,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:39,357 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:39,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:39,378 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:39,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:39,394 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:39,421 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:39,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:39,431 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:39,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:39,462 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-11 11:39:39,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:39,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-11 11:39:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:39:39,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:39,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:39,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:39,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:39,536 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 11:39:39,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640844285] [2021-03-11 11:39:39,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:39,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:39,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994781479] [2021-03-11 11:39:39,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:39,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:39,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:39,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:39,537 INFO L87 Difference]: Start difference. First operand 256 states and 508 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:40,149 INFO L93 Difference]: Finished difference Result 283 states and 547 transitions. [2021-03-11 11:39:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:40,149 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:40,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:40,150 INFO L225 Difference]: With dead ends: 283 [2021-03-11 11:39:40,150 INFO L226 Difference]: Without dead ends: 271 [2021-03-11 11:39:40,151 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 532.1ms TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:40,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-03-11 11:39:40,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 250. [2021-03-11 11:39:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 248 states have (on average 2.0080645161290325) internal successors, (498), 249 states have internal predecessors, (498), 0 states have call successors, (0), 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 11:39:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 498 transitions. [2021-03-11 11:39:40,154 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 498 transitions. Word has length 22 [2021-03-11 11:39:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:40,154 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 498 transitions. [2021-03-11 11:39:40,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 498 transitions. [2021-03-11 11:39:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:40,155 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:40,155 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:40,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-11 11:39:40,155 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:40,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:40,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1573186596, now seen corresponding path program 24 times [2021-03-11 11:39:40,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:40,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532101133] [2021-03-11 11:39:40,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:40,212 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:39:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:40,237 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:39:40,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:40,272 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:40,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:40,294 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:40,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:40,303 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:40,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:40,311 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:40,327 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.0 percent of original size [2021-03-11 11:39:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:40,343 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.6 percent of original size [2021-03-11 11:39:40,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:39:40,363 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:40,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:40,379 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:40,408 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:40,418 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:40,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:40,446 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:40,484 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:40,509 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:40,526 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:40,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:40,526 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:40,542 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 11:39:40,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532101133] [2021-03-11 11:39:40,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:40,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:40,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349840819] [2021-03-11 11:39:40,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:40,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:40,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:40,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:40,543 INFO L87 Difference]: Start difference. First operand 250 states and 498 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:41,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:41,229 INFO L93 Difference]: Finished difference Result 280 states and 547 transitions. [2021-03-11 11:39:41,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:41,230 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:41,231 INFO L225 Difference]: With dead ends: 280 [2021-03-11 11:39:41,231 INFO L226 Difference]: Without dead ends: 248 [2021-03-11 11:39:41,231 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 619.9ms TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:41,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-03-11 11:39:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 240. [2021-03-11 11:39:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 238 states have (on average 2.0210084033613445) internal successors, (481), 239 states have internal predecessors, (481), 0 states have call successors, (0), 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 11:39:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 481 transitions. [2021-03-11 11:39:41,236 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 481 transitions. Word has length 22 [2021-03-11 11:39:41,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:41,236 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 481 transitions. [2021-03-11 11:39:41,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 481 transitions. [2021-03-11 11:39:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:41,237 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:41,237 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:41,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-11 11:39:41,237 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:41,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:41,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1130971170, now seen corresponding path program 25 times [2021-03-11 11:39:41,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:41,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697179718] [2021-03-11 11:39:41,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:41,294 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-03-11 11:39:41,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:41,318 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.2 percent of original size [2021-03-11 11:39:41,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:39:41,354 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:41,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:41,371 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:41,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:41,377 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:41,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:41,383 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:39:41,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:41,398 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.0 percent of original size [2021-03-11 11:39:41,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:41,415 INFO L142 QuantifierPusher]: treesize reduction 42, result has 39.1 percent of original size [2021-03-11 11:39:41,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:41,432 INFO L142 QuantifierPusher]: treesize reduction 42, result has 50.0 percent of original size [2021-03-11 11:39:41,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:39:41,453 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:41,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:41,470 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:41,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:41,505 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:41,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:41,517 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:41,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:41,551 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:41,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:41,576 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:41,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:41,592 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:41,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:41,593 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:41,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:41,609 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 11:39:41,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697179718] [2021-03-11 11:39:41,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:41,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 11:39:41,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314067613] [2021-03-11 11:39:41,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 11:39:41,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:41,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 11:39:41,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-03-11 11:39:41,610 INFO L87 Difference]: Start difference. First operand 240 states and 481 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:42,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:42,268 INFO L93 Difference]: Finished difference Result 266 states and 521 transitions. [2021-03-11 11:39:42,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:42,269 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 22 [2021-03-11 11:39:42,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:42,269 INFO L225 Difference]: With dead ends: 266 [2021-03-11 11:39:42,269 INFO L226 Difference]: Without dead ends: 228 [2021-03-11 11:39:42,270 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 588.8ms TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:39:42,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-03-11 11:39:42,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2021-03-11 11:39:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 226 states have (on average 2.0486725663716814) internal successors, (463), 227 states have internal predecessors, (463), 0 states have call successors, (0), 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 11:39:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 463 transitions. [2021-03-11 11:39:42,273 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 463 transitions. Word has length 22 [2021-03-11 11:39:42,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:42,273 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 463 transitions. [2021-03-11 11:39:42,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 11:39:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 463 transitions. [2021-03-11 11:39:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:42,274 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:42,274 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:42,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-11 11:39:42,274 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:42,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:42,274 INFO L82 PathProgramCache]: Analyzing trace with hash 2110315484, now seen corresponding path program 2 times [2021-03-11 11:39:42,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:42,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762133777] [2021-03-11 11:39:42,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:42,316 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-03-11 11:39:42,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:39:42,325 INFO L142 QuantifierPusher]: treesize reduction 12, result has 63.6 percent of original size [2021-03-11 11:39:42,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 11:39:42,338 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-11 11:39:42,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 11:39:42,350 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-11 11:39:42,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 11:39:42,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:42,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:42,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:42,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:42,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:39:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:42,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:39:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:42,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 11:39:42,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 11:39:42,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:42,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:42,475 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 11:39:42,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762133777] [2021-03-11 11:39:42,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:42,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 11:39:42,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958153849] [2021-03-11 11:39:42,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 11:39:42,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:42,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 11:39:42,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-11 11:39:42,476 INFO L87 Difference]: Start difference. First operand 228 states and 463 transitions. Second operand has 12 states, 12 states have (on average 1.8333333333333333) 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 11:39:43,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:43,022 INFO L93 Difference]: Finished difference Result 337 states and 644 transitions. [2021-03-11 11:39:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:43,022 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.8333333333333333) 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 22 [2021-03-11 11:39:43,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:43,023 INFO L225 Difference]: With dead ends: 337 [2021-03-11 11:39:43,023 INFO L226 Difference]: Without dead ends: 316 [2021-03-11 11:39:43,023 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 404.1ms TimeCoverageRelationStatistics Valid=149, Invalid=271, Unknown=0, NotChecked=0, Total=420 [2021-03-11 11:39:43,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-03-11 11:39:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 214. [2021-03-11 11:39:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 2.0707547169811322) internal successors, (439), 213 states have internal predecessors, (439), 0 states have call successors, (0), 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 11:39:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 439 transitions. [2021-03-11 11:39:43,027 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 439 transitions. Word has length 22 [2021-03-11 11:39:43,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:43,027 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 439 transitions. [2021-03-11 11:39:43,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) 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 11:39:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 439 transitions. [2021-03-11 11:39:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:43,028 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:43,028 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:43,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-11 11:39:43,028 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:43,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:43,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1402494314, now seen corresponding path program 26 times [2021-03-11 11:39:43,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:43,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247015384] [2021-03-11 11:39:43,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:43,097 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-11 11:39:43,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 11:39:43,126 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.8 percent of original size [2021-03-11 11:39:43,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 11:39:43,164 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:43,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:43,199 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:43,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:43,234 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:43,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:43,254 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:43,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:43,263 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:43,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:43,283 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:43,308 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:43,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:43,330 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:43,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:43,366 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:43,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:43,382 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:43,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:43,417 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:43,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:43,453 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:43,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:43,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:43,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:43,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:43,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:43,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:43,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:43,542 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 11:39:43,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247015384] [2021-03-11 11:39:43,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:43,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:43,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591972206] [2021-03-11 11:39:43,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:43,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:43,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:43,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:43,544 INFO L87 Difference]: Start difference. First operand 214 states and 439 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:44,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:44,677 INFO L93 Difference]: Finished difference Result 368 states and 722 transitions. [2021-03-11 11:39:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-11 11:39:44,677 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:44,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:44,679 INFO L225 Difference]: With dead ends: 368 [2021-03-11 11:39:44,679 INFO L226 Difference]: Without dead ends: 368 [2021-03-11 11:39:44,679 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 940.4ms TimeCoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2021-03-11 11:39:44,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-03-11 11:39:44,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 244. [2021-03-11 11:39:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 242 states have (on average 2.0578512396694215) internal successors, (498), 243 states have internal predecessors, (498), 0 states have call successors, (0), 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 11:39:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 498 transitions. [2021-03-11 11:39:44,683 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 498 transitions. Word has length 22 [2021-03-11 11:39:44,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:44,683 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 498 transitions. [2021-03-11 11:39:44,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 498 transitions. [2021-03-11 11:39:44,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:44,684 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:44,684 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:44,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-11 11:39:44,684 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:44,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:44,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1402494324, now seen corresponding path program 4 times [2021-03-11 11:39:44,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:44,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492406542] [2021-03-11 11:39:44,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:44,727 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:44,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:44,736 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:44,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:44,746 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-03-11 11:39:44,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:44,756 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-11 11:39:44,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:44,781 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-11 11:39:44,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:44,789 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:39:44,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:44,819 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:44,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:44,828 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:44,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:44,843 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:44,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:44,844 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-11 11:39:44,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:44,857 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 11:39:44,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492406542] [2021-03-11 11:39:44,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:44,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 11:39:44,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118431218] [2021-03-11 11:39:44,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 11:39:44,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:44,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 11:39:44,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:39:44,859 INFO L87 Difference]: Start difference. First operand 244 states and 498 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:45,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:45,076 INFO L93 Difference]: Finished difference Result 346 states and 675 transitions. [2021-03-11 11:39:45,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 11:39:45,076 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 22 [2021-03-11 11:39:45,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:45,077 INFO L225 Difference]: With dead ends: 346 [2021-03-11 11:39:45,077 INFO L226 Difference]: Without dead ends: 332 [2021-03-11 11:39:45,078 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 188.6ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-03-11 11:39:45,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-03-11 11:39:45,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 242. [2021-03-11 11:39:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 240 states have (on average 2.0875) internal successors, (501), 241 states have internal predecessors, (501), 0 states have call successors, (0), 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 11:39:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 501 transitions. [2021-03-11 11:39:45,081 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 501 transitions. Word has length 22 [2021-03-11 11:39:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:45,081 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 501 transitions. [2021-03-11 11:39:45,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 501 transitions. [2021-03-11 11:39:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:45,081 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:45,081 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:45,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-11 11:39:45,082 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:45,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:45,082 INFO L82 PathProgramCache]: Analyzing trace with hash 916924138, now seen corresponding path program 27 times [2021-03-11 11:39:45,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:45,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137334697] [2021-03-11 11:39:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:45,142 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-11 11:39:45,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 11:39:45,170 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.8 percent of original size [2021-03-11 11:39:45,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 11:39:45,210 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:45,246 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:45,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:45,276 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:45,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:45,294 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:45,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:45,315 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:45,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:45,336 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:45,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:45,362 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:45,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:45,385 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:45,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:45,422 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:45,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:45,438 INFO L142 QuantifierPusher]: treesize reduction 51, result has 40.0 percent of original size [2021-03-11 11:39:45,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:45,465 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-11 11:39:45,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:45,490 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:45,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:45,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:45,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:45,534 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:45,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:45,534 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:45,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:45,551 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 11:39:45,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137334697] [2021-03-11 11:39:45,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:45,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:45,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067249455] [2021-03-11 11:39:45,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:45,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:45,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:45,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:45,552 INFO L87 Difference]: Start difference. First operand 242 states and 501 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:46,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:46,474 INFO L93 Difference]: Finished difference Result 379 states and 749 transitions. [2021-03-11 11:39:46,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-11 11:39:46,475 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:46,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:46,476 INFO L225 Difference]: With dead ends: 379 [2021-03-11 11:39:46,476 INFO L226 Difference]: Without dead ends: 360 [2021-03-11 11:39:46,476 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 751.7ms TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2021-03-11 11:39:46,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-03-11 11:39:46,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 234. [2021-03-11 11:39:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 232 states have (on average 2.0732758620689653) internal successors, (481), 233 states have internal predecessors, (481), 0 states have call successors, (0), 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 11:39:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 481 transitions. [2021-03-11 11:39:46,479 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 481 transitions. Word has length 22 [2021-03-11 11:39:46,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:46,480 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 481 transitions. [2021-03-11 11:39:46,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 481 transitions. [2021-03-11 11:39:46,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:46,480 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:46,480 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:46,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-11 11:39:46,480 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:46,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:46,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1949336132, now seen corresponding path program 28 times [2021-03-11 11:39:46,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:46,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500432202] [2021-03-11 11:39:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:46,547 INFO L142 QuantifierPusher]: treesize reduction 17, result has 75.7 percent of original size [2021-03-11 11:39:46,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 11:39:46,573 INFO L142 QuantifierPusher]: treesize reduction 13, result has 82.9 percent of original size [2021-03-11 11:39:46,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 11:39:46,612 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.9 percent of original size [2021-03-11 11:39:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:46,648 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.9 percent of original size [2021-03-11 11:39:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:46,688 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:46,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:46,708 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:46,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:46,717 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:46,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:46,737 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:46,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:46,763 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:46,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:46,786 INFO L142 QuantifierPusher]: treesize reduction 32, result has 59.0 percent of original size [2021-03-11 11:39:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:46,816 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.9 percent of original size [2021-03-11 11:39:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:46,828 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:46,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:46,857 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:46,886 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:46,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:46,926 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:46,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:46,944 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:46,945 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:46,961 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 11:39:46,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500432202] [2021-03-11 11:39:46,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:46,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:46,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650919712] [2021-03-11 11:39:46,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:46,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:46,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:46,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:46,963 INFO L87 Difference]: Start difference. First operand 234 states and 481 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:47,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:47,981 INFO L93 Difference]: Finished difference Result 366 states and 719 transitions. [2021-03-11 11:39:47,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 11:39:47,981 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:47,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:47,982 INFO L225 Difference]: With dead ends: 366 [2021-03-11 11:39:47,982 INFO L226 Difference]: Without dead ends: 346 [2021-03-11 11:39:47,983 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 859.4ms TimeCoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2021-03-11 11:39:47,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-03-11 11:39:47,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 248. [2021-03-11 11:39:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 246 states have (on average 2.016260162601626) internal successors, (496), 247 states have internal predecessors, (496), 0 states have call successors, (0), 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 11:39:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 496 transitions. [2021-03-11 11:39:47,987 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 496 transitions. Word has length 22 [2021-03-11 11:39:47,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:47,987 INFO L480 AbstractCegarLoop]: Abstraction has 248 states and 496 transitions. [2021-03-11 11:39:47,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 496 transitions. [2021-03-11 11:39:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:47,987 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:47,987 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:47,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-11 11:39:47,987 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:47,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:47,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1522182028, now seen corresponding path program 5 times [2021-03-11 11:39:47,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:47,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339988222] [2021-03-11 11:39:47,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:48,029 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:48,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:48,037 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:48,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:48,046 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-03-11 11:39:48,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:48,057 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-03-11 11:39:48,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:39:48,080 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:48,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:48,106 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:39:48,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:48,116 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:48,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:48,117 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:48,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:48,130 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:48,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:48,131 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-11 11:39:48,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:48,148 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 11:39:48,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339988222] [2021-03-11 11:39:48,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:48,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 11:39:48,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246801556] [2021-03-11 11:39:48,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 11:39:48,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:48,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 11:39:48,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:39:48,149 INFO L87 Difference]: Start difference. First operand 248 states and 496 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:48,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:48,395 INFO L93 Difference]: Finished difference Result 389 states and 719 transitions. [2021-03-11 11:39:48,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 11:39:48,396 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 22 [2021-03-11 11:39:48,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:48,397 INFO L225 Difference]: With dead ends: 389 [2021-03-11 11:39:48,397 INFO L226 Difference]: Without dead ends: 367 [2021-03-11 11:39:48,397 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 179.6ms TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:39:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-03-11 11:39:48,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 232. [2021-03-11 11:39:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 230 states have (on average 2.0521739130434784) internal successors, (472), 231 states have internal predecessors, (472), 0 states have call successors, (0), 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 11:39:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 472 transitions. [2021-03-11 11:39:48,400 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 472 transitions. Word has length 22 [2021-03-11 11:39:48,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:48,400 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 472 transitions. [2021-03-11 11:39:48,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 472 transitions. [2021-03-11 11:39:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:48,400 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:48,400 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:48,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-11 11:39:48,401 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:48,401 INFO L82 PathProgramCache]: Analyzing trace with hash 358365642, now seen corresponding path program 3 times [2021-03-11 11:39:48,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:48,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505614774] [2021-03-11 11:39:48,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:48,434 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-03-11 11:39:48,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:48,443 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-11 11:39:48,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 11:39:48,446 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-03-11 11:39:48,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:48,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:48,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:48,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:48,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:48,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:48,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 11:39:48,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:48,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:48,492 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 11:39:48,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505614774] [2021-03-11 11:39:48,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:48,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 11:39:48,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511955012] [2021-03-11 11:39:48,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 11:39:48,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:48,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 11:39:48,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-11 11:39:48,493 INFO L87 Difference]: Start difference. First operand 232 states and 472 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 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 11:39:48,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:48,769 INFO L93 Difference]: Finished difference Result 270 states and 538 transitions. [2021-03-11 11:39:48,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 11:39:48,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 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 22 [2021-03-11 11:39:48,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:48,770 INFO L225 Difference]: With dead ends: 270 [2021-03-11 11:39:48,770 INFO L226 Difference]: Without dead ends: 270 [2021-03-11 11:39:48,771 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 131.8ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-03-11 11:39:48,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-03-11 11:39:48,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 190. [2021-03-11 11:39:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 188 states have (on average 2.106382978723404) internal successors, (396), 189 states have internal predecessors, (396), 0 states have call successors, (0), 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 11:39:48,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 396 transitions. [2021-03-11 11:39:48,774 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 396 transitions. Word has length 22 [2021-03-11 11:39:48,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:48,774 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 396 transitions. [2021-03-11 11:39:48,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 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 11:39:48,774 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 396 transitions. [2021-03-11 11:39:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:48,774 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:48,775 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:48,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-11 11:39:48,775 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:48,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:48,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1140523140, now seen corresponding path program 29 times [2021-03-11 11:39:48,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:48,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688057986] [2021-03-11 11:39:48,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:48,852 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-11 11:39:48,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:48,863 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:39:48,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:48,878 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:48,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:48,891 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:48,905 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:48,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:48,920 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:48,927 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:48,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:48,942 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:48,962 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 11:39:48,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:48,979 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:48,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:48,997 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:48,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:49,029 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:49,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:49,044 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:49,072 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:49,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:49,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:49,116 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:49,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:49,117 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:49,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:49,134 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 11:39:49,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688057986] [2021-03-11 11:39:49,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:49,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:49,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733395902] [2021-03-11 11:39:49,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:49,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:49,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:49,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:49,135 INFO L87 Difference]: Start difference. First operand 190 states and 396 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:50,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:50,152 INFO L93 Difference]: Finished difference Result 299 states and 586 transitions. [2021-03-11 11:39:50,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 11:39:50,152 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:50,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:50,153 INFO L225 Difference]: With dead ends: 299 [2021-03-11 11:39:50,153 INFO L226 Difference]: Without dead ends: 299 [2021-03-11 11:39:50,153 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 736.3ms TimeCoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2021-03-11 11:39:50,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-03-11 11:39:50,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 210. [2021-03-11 11:39:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 208 states have (on average 2.0384615384615383) internal successors, (424), 209 states have internal predecessors, (424), 0 states have call successors, (0), 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 11:39:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 424 transitions. [2021-03-11 11:39:50,156 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 424 transitions. Word has length 22 [2021-03-11 11:39:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:50,156 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 424 transitions. [2021-03-11 11:39:50,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 424 transitions. [2021-03-11 11:39:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:50,156 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:50,157 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:50,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-11 11:39:50,157 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:50,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:50,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1140523130, now seen corresponding path program 6 times [2021-03-11 11:39:50,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:50,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696615098] [2021-03-11 11:39:50,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:50,198 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:50,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:50,205 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-11 11:39:50,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:39:50,213 INFO L142 QuantifierPusher]: treesize reduction 5, result has 73.7 percent of original size [2021-03-11 11:39:50,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:39:50,223 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-03-11 11:39:50,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:39:50,235 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:50,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:50,255 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:39:50,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:50,276 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-11 11:39:50,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:50,277 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:50,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:50,287 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-11 11:39:50,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:50,287 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-11 11:39:50,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:50,297 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 11:39:50,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696615098] [2021-03-11 11:39:50,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:50,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 11:39:50,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876441852] [2021-03-11 11:39:50,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 11:39:50,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:50,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 11:39:50,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:39:50,298 INFO L87 Difference]: Start difference. First operand 210 states and 424 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:50,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:50,512 INFO L93 Difference]: Finished difference Result 292 states and 554 transitions. [2021-03-11 11:39:50,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 11:39:50,512 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 22 [2021-03-11 11:39:50,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:50,513 INFO L225 Difference]: With dead ends: 292 [2021-03-11 11:39:50,513 INFO L226 Difference]: Without dead ends: 268 [2021-03-11 11:39:50,513 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 170.3ms TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:39:50,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-03-11 11:39:50,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 180. [2021-03-11 11:39:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 178 states have (on average 2.1179775280898876) internal successors, (377), 179 states have internal predecessors, (377), 0 states have call successors, (0), 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 11:39:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 377 transitions. [2021-03-11 11:39:50,516 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 377 transitions. Word has length 22 [2021-03-11 11:39:50,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:50,517 INFO L480 AbstractCegarLoop]: Abstraction has 180 states and 377 transitions. [2021-03-11 11:39:50,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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 11:39:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 377 transitions. [2021-03-11 11:39:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:50,517 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:50,517 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:50,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-11 11:39:50,517 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:50,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:50,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1561750074, now seen corresponding path program 30 times [2021-03-11 11:39:50,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:50,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317613619] [2021-03-11 11:39:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:39:50,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 11:39:50,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:50,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 11:39:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:39:50,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:50,580 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 11:39:50,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317613619] [2021-03-11 11:39:50,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:50,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 11:39:50,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812873889] [2021-03-11 11:39:50,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 11:39:50,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:50,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 11:39:50,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-11 11:39:50,581 INFO L87 Difference]: Start difference. First operand 180 states and 377 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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 11:39:50,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:50,646 INFO L93 Difference]: Finished difference Result 204 states and 411 transitions. [2021-03-11 11:39:50,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 11:39:50,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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 22 [2021-03-11 11:39:50,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:50,647 INFO L225 Difference]: With dead ends: 204 [2021-03-11 11:39:50,647 INFO L226 Difference]: Without dead ends: 204 [2021-03-11 11:39:50,648 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 45.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-11 11:39:50,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-03-11 11:39:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 180. [2021-03-11 11:39:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 178 states have (on average 2.061797752808989) internal successors, (367), 179 states have internal predecessors, (367), 0 states have call successors, (0), 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 11:39:50,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 367 transitions. [2021-03-11 11:39:50,650 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 367 transitions. Word has length 22 [2021-03-11 11:39:50,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:50,650 INFO L480 AbstractCegarLoop]: Abstraction has 180 states and 367 transitions. [2021-03-11 11:39:50,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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 11:39:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 367 transitions. [2021-03-11 11:39:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:50,651 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:50,651 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:50,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-11 11:39:50,651 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:50,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:50,651 INFO L82 PathProgramCache]: Analyzing trace with hash 642389572, now seen corresponding path program 31 times [2021-03-11 11:39:50,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:50,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656252445] [2021-03-11 11:39:50,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:50,699 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-11 11:39:50,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:50,710 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:39:50,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:50,726 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:50,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:50,741 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:50,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:50,759 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:50,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:50,776 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:50,782 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:50,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:50,798 INFO L142 QuantifierPusher]: treesize reduction 42, result has 35.4 percent of original size [2021-03-11 11:39:50,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:39:50,814 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-03-11 11:39:50,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:50,843 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:50,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:50,866 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:50,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:50,910 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:50,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:50,924 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:50,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:50,952 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:50,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:50,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:50,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:50,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:50,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:50,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:50,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:51,013 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 11:39:51,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656252445] [2021-03-11 11:39:51,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:51,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:51,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634539379] [2021-03-11 11:39:51,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:51,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:51,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:51,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:51,015 INFO L87 Difference]: Start difference. First operand 180 states and 367 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:51,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:51,790 INFO L93 Difference]: Finished difference Result 277 states and 543 transitions. [2021-03-11 11:39:51,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:39:51,791 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:51,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:51,791 INFO L225 Difference]: With dead ends: 277 [2021-03-11 11:39:51,792 INFO L226 Difference]: Without dead ends: 262 [2021-03-11 11:39:51,792 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 588.6ms TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-03-11 11:39:51,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2021-03-11 11:39:51,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 178. [2021-03-11 11:39:51,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 176 states have (on average 2.0625) internal successors, (363), 177 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 11:39:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 363 transitions. [2021-03-11 11:39:51,794 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 363 transitions. Word has length 22 [2021-03-11 11:39:51,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:51,795 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 363 transitions. [2021-03-11 11:39:51,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 363 transitions. [2021-03-11 11:39:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:51,795 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:51,795 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:51,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-11 11:39:51,796 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:51,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:51,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1320765482, now seen corresponding path program 32 times [2021-03-11 11:39:51,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:51,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695008633] [2021-03-11 11:39:51,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:51,852 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-11 11:39:51,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:51,864 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:39:51,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:51,877 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:51,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:51,895 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:51,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:51,910 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:51,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:51,925 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:51,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:51,937 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.8 percent of original size [2021-03-11 11:39:51,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:51,953 INFO L142 QuantifierPusher]: treesize reduction 42, result has 35.4 percent of original size [2021-03-11 11:39:51,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:39:51,969 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-03-11 11:39:51,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:51,990 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:51,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:52,008 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:52,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:52,043 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:52,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:52,057 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:52,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:52,086 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:52,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:52,120 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:52,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:52,143 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:39:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:52,144 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:52,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:52,161 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 11:39:52,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695008633] [2021-03-11 11:39:52,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:52,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:52,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667938248] [2021-03-11 11:39:52,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:52,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:52,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:52,162 INFO L87 Difference]: Start difference. First operand 178 states and 363 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:52,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:52,925 INFO L93 Difference]: Finished difference Result 236 states and 448 transitions. [2021-03-11 11:39:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:52,925 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:52,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:52,926 INFO L225 Difference]: With dead ends: 236 [2021-03-11 11:39:52,926 INFO L226 Difference]: Without dead ends: 217 [2021-03-11 11:39:52,926 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 576.6ms TimeCoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:52,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-03-11 11:39:52,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 174. [2021-03-11 11:39:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 172 states have (on average 2.063953488372093) internal successors, (355), 173 states have internal predecessors, (355), 0 states have call successors, (0), 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 11:39:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 355 transitions. [2021-03-11 11:39:52,932 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 355 transitions. Word has length 22 [2021-03-11 11:39:52,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:52,932 INFO L480 AbstractCegarLoop]: Abstraction has 174 states and 355 transitions. [2021-03-11 11:39:52,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 355 transitions. [2021-03-11 11:39:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:52,937 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:52,937 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:52,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-11 11:39:52,937 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:52,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:52,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1485321548, now seen corresponding path program 33 times [2021-03-11 11:39:52,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:52,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088717870] [2021-03-11 11:39:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:52,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:52,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:39:52,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:52,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 11:39:52,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:52,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 11:39:52,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:52,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:39:53,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:39:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:39:53,003 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 11:39:53,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088717870] [2021-03-11 11:39:53,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:53,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 11:39:53,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852003330] [2021-03-11 11:39:53,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 11:39:53,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:53,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 11:39:53,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-11 11:39:53,004 INFO L87 Difference]: Start difference. First operand 174 states and 355 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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 11:39:53,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:53,056 INFO L93 Difference]: Finished difference Result 67 states and 102 transitions. [2021-03-11 11:39:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 11:39:53,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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 22 [2021-03-11 11:39:53,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:53,057 INFO L225 Difference]: With dead ends: 67 [2021-03-11 11:39:53,057 INFO L226 Difference]: Without dead ends: 67 [2021-03-11 11:39:53,057 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 49.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-11 11:39:53,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-03-11 11:39:53,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-03-11 11:39:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.5454545454545454) internal successors, (102), 66 states have internal predecessors, (102), 0 states have call successors, (0), 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 11:39:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2021-03-11 11:39:53,058 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 22 [2021-03-11 11:39:53,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:53,058 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2021-03-11 11:39:53,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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 11:39:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2021-03-11 11:39:53,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:53,058 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:53,058 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:53,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-11 11:39:53,059 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:53,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:53,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1306003344, now seen corresponding path program 34 times [2021-03-11 11:39:53,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:53,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263596979] [2021-03-11 11:39:53,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:53,110 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-11 11:39:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:53,122 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:39:53,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:53,139 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:53,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:53,155 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:53,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:53,173 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:53,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:53,195 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:53,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:53,204 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:53,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:53,226 INFO L142 QuantifierPusher]: treesize reduction 42, result has 35.4 percent of original size [2021-03-11 11:39:53,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:39:53,252 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-03-11 11:39:53,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:53,284 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:53,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:53,309 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:53,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:53,346 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:53,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:53,363 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:53,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:53,405 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:53,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:53,439 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:53,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:53,461 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:53,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:53,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:53,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:53,484 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 11:39:53,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263596979] [2021-03-11 11:39:53,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:53,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:53,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120227082] [2021-03-11 11:39:53,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:53,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:53,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:53,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:53,485 INFO L87 Difference]: Start difference. First operand 67 states and 102 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:54,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:54,206 INFO L93 Difference]: Finished difference Result 95 states and 144 transitions. [2021-03-11 11:39:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:54,206 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:54,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:54,207 INFO L225 Difference]: With dead ends: 95 [2021-03-11 11:39:54,207 INFO L226 Difference]: Without dead ends: 67 [2021-03-11 11:39:54,207 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 655.5ms TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-03-11 11:39:54,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-03-11 11:39:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.5303030303030303) internal successors, (101), 66 states have internal predecessors, (101), 0 states have call successors, (0), 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 11:39:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2021-03-11 11:39:54,208 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 22 [2021-03-11 11:39:54,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:54,208 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2021-03-11 11:39:54,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2021-03-11 11:39:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:54,209 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:54,209 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:54,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-11 11:39:54,209 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:54,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:54,209 INFO L82 PathProgramCache]: Analyzing trace with hash 570562492, now seen corresponding path program 35 times [2021-03-11 11:39:54,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:54,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529855122] [2021-03-11 11:39:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:54,259 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-11 11:39:54,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:54,271 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:39:54,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:54,287 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:54,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:54,304 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:54,322 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:54,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:54,343 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:54,353 INFO L142 QuantifierPusher]: treesize reduction 42, result has 36.4 percent of original size [2021-03-11 11:39:54,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:54,375 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.1 percent of original size [2021-03-11 11:39:54,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:54,402 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-03-11 11:39:54,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:54,437 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:54,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:54,460 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:54,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:54,497 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:54,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:54,514 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:54,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:54,556 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:54,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:54,590 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:54,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:54,612 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:54,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:54,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:54,634 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 11:39:54,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529855122] [2021-03-11 11:39:54,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:54,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:54,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416776716] [2021-03-11 11:39:54,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:54,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:54,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:54,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:54,636 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:55,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:55,407 INFO L93 Difference]: Finished difference Result 106 states and 163 transitions. [2021-03-11 11:39:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:55,407 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:55,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:55,408 INFO L225 Difference]: With dead ends: 106 [2021-03-11 11:39:55,408 INFO L226 Difference]: Without dead ends: 79 [2021-03-11 11:39:55,408 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 650.9ms TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:55,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-03-11 11:39:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67. [2021-03-11 11:39:55,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.5) internal successors, (99), 66 states have internal predecessors, (99), 0 states have call successors, (0), 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 11:39:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 99 transitions. [2021-03-11 11:39:55,409 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 99 transitions. Word has length 22 [2021-03-11 11:39:55,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:55,409 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 99 transitions. [2021-03-11 11:39:55,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2021-03-11 11:39:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:55,410 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:55,410 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:55,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-11 11:39:55,410 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:55,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:55,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1942798938, now seen corresponding path program 36 times [2021-03-11 11:39:55,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:55,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912673956] [2021-03-11 11:39:55,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:55,460 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-11 11:39:55,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 11:39:55,489 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.8 percent of original size [2021-03-11 11:39:55,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 11:39:55,529 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:55,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:55,564 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:55,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:55,601 INFO L142 QuantifierPusher]: treesize reduction 44, result has 44.3 percent of original size [2021-03-11 11:39:55,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:55,630 INFO L142 QuantifierPusher]: treesize reduction 44, result has 40.5 percent of original size [2021-03-11 11:39:55,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:55,639 INFO L142 QuantifierPusher]: treesize reduction 44, result has 35.3 percent of original size [2021-03-11 11:39:55,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:55,660 INFO L142 QuantifierPusher]: treesize reduction 44, result has 47.0 percent of original size [2021-03-11 11:39:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:55,690 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-11 11:39:55,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:55,708 INFO L142 QuantifierPusher]: treesize reduction 34, result has 57.5 percent of original size [2021-03-11 11:39:55,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:55,738 INFO L142 QuantifierPusher]: treesize reduction 34, result has 51.4 percent of original size [2021-03-11 11:39:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:55,750 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-03-11 11:39:55,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:55,785 INFO L142 QuantifierPusher]: treesize reduction 53, result has 38.4 percent of original size [2021-03-11 11:39:55,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:55,835 INFO L142 QuantifierPusher]: treesize reduction 34, result has 43.3 percent of original size [2021-03-11 11:39:55,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:55,861 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:39:55,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:55,879 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:39:55,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:55,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:55,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:55,897 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 11:39:55,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912673956] [2021-03-11 11:39:55,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:55,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:55,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281660204] [2021-03-11 11:39:55,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:55,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:55,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:55,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:55,898 INFO L87 Difference]: Start difference. First operand 67 states and 99 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:56,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:56,599 INFO L93 Difference]: Finished difference Result 92 states and 132 transitions. [2021-03-11 11:39:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 11:39:56,600 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:56,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:56,600 INFO L225 Difference]: With dead ends: 92 [2021-03-11 11:39:56,600 INFO L226 Difference]: Without dead ends: 78 [2021-03-11 11:39:56,601 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 705.1ms TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-03-11 11:39:56,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-03-11 11:39:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2021-03-11 11:39:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 66 states have internal predecessors, (97), 0 states have call successors, (0), 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 11:39:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 97 transitions. [2021-03-11 11:39:56,602 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 97 transitions. Word has length 22 [2021-03-11 11:39:56,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:56,603 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 97 transitions. [2021-03-11 11:39:56,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2021-03-11 11:39:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:56,603 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:56,603 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:56,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-11 11:39:56,603 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:56,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:56,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1695172094, now seen corresponding path program 37 times [2021-03-11 11:39:56,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:56,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582505536] [2021-03-11 11:39:56,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:56,655 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-11 11:39:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 11:39:56,683 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.8 percent of original size [2021-03-11 11:39:56,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 11:39:56,721 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:56,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:56,757 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:56,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:56,791 INFO L142 QuantifierPusher]: treesize reduction 44, result has 44.3 percent of original size [2021-03-11 11:39:56,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:56,819 INFO L142 QuantifierPusher]: treesize reduction 44, result has 40.5 percent of original size [2021-03-11 11:39:56,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:56,828 INFO L142 QuantifierPusher]: treesize reduction 44, result has 35.3 percent of original size [2021-03-11 11:39:56,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:56,847 INFO L142 QuantifierPusher]: treesize reduction 44, result has 47.0 percent of original size [2021-03-11 11:39:56,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:56,873 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-11 11:39:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:56,895 INFO L142 QuantifierPusher]: treesize reduction 34, result has 57.5 percent of original size [2021-03-11 11:39:56,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:56,931 INFO L142 QuantifierPusher]: treesize reduction 34, result has 51.4 percent of original size [2021-03-11 11:39:56,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:56,946 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-03-11 11:39:56,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:39:56,987 INFO L142 QuantifierPusher]: treesize reduction 34, result has 44.3 percent of original size [2021-03-11 11:39:56,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:39:57,019 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-11 11:39:57,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:39:57,040 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:39:57,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:57,063 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:39:57,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:57,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:57,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:57,085 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 11:39:57,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582505536] [2021-03-11 11:39:57,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:57,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:57,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767292416] [2021-03-11 11:39:57,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:57,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:57,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:57,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:57,087 INFO L87 Difference]: Start difference. First operand 67 states and 97 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:57,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:57,774 INFO L93 Difference]: Finished difference Result 84 states and 116 transitions. [2021-03-11 11:39:57,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:39:57,774 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:57,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:57,775 INFO L225 Difference]: With dead ends: 84 [2021-03-11 11:39:57,775 INFO L226 Difference]: Without dead ends: 72 [2021-03-11 11:39:57,775 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 671.7ms TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:57,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-03-11 11:39:57,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 61. [2021-03-11 11:39:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.45) internal successors, (87), 60 states have internal predecessors, (87), 0 states have call successors, (0), 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 11:39:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 87 transitions. [2021-03-11 11:39:57,777 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 87 transitions. Word has length 22 [2021-03-11 11:39:57,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:57,777 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 87 transitions. [2021-03-11 11:39:57,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2021-03-11 11:39:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:57,777 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:57,777 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:57,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-11 11:39:57,777 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:57,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:57,778 INFO L82 PathProgramCache]: Analyzing trace with hash -284594012, now seen corresponding path program 38 times [2021-03-11 11:39:57,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:57,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678196443] [2021-03-11 11:39:57,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:57,830 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-11 11:39:57,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 11:39:57,853 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.8 percent of original size [2021-03-11 11:39:57,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 11:39:57,881 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:57,908 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-11 11:39:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 11:39:57,936 INFO L142 QuantifierPusher]: treesize reduction 44, result has 44.3 percent of original size [2021-03-11 11:39:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:57,952 INFO L142 QuantifierPusher]: treesize reduction 44, result has 40.5 percent of original size [2021-03-11 11:39:57,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:57,959 INFO L142 QuantifierPusher]: treesize reduction 44, result has 35.3 percent of original size [2021-03-11 11:39:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:39:57,976 INFO L142 QuantifierPusher]: treesize reduction 44, result has 47.0 percent of original size [2021-03-11 11:39:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:39:58,000 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-11 11:39:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:58,018 INFO L142 QuantifierPusher]: treesize reduction 34, result has 57.5 percent of original size [2021-03-11 11:39:58,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 11:39:58,046 INFO L142 QuantifierPusher]: treesize reduction 34, result has 51.4 percent of original size [2021-03-11 11:39:58,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:58,058 INFO L142 QuantifierPusher]: treesize reduction 34, result has 50.7 percent of original size [2021-03-11 11:39:58,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:58,086 INFO L142 QuantifierPusher]: treesize reduction 53, result has 38.4 percent of original size [2021-03-11 11:39:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:58,120 INFO L142 QuantifierPusher]: treesize reduction 34, result has 43.3 percent of original size [2021-03-11 11:39:58,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:58,146 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:39:58,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:58,164 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:39:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:58,165 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:58,182 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 11:39:58,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678196443] [2021-03-11 11:39:58,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:58,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:58,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177869011] [2021-03-11 11:39:58,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:58,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:58,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:58,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:58,184 INFO L87 Difference]: Start difference. First operand 61 states and 87 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:58,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:58,841 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2021-03-11 11:39:58,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:58,842 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:58,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:58,842 INFO L225 Difference]: With dead ends: 83 [2021-03-11 11:39:58,842 INFO L226 Difference]: Without dead ends: 51 [2021-03-11 11:39:58,842 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 618.3ms TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:58,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-03-11 11:39:58,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-03-11 11:39:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 0 states have call successors, (0), 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 11:39:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2021-03-11 11:39:58,843 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 22 [2021-03-11 11:39:58,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:58,843 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2021-03-11 11:39:58,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2021-03-11 11:39:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:58,844 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:58,844 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:58,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-11 11:39:58,844 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:58,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:58,844 INFO L82 PathProgramCache]: Analyzing trace with hash -726809438, now seen corresponding path program 39 times [2021-03-11 11:39:58,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:58,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197529695] [2021-03-11 11:39:58,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:58,894 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-11 11:39:58,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:58,905 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:39:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:39:58,921 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:58,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:58,936 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:58,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:58,953 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-03-11 11:39:58,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:58,973 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-03-11 11:39:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:39:58,982 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.8 percent of original size [2021-03-11 11:39:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:39:59,003 INFO L142 QuantifierPusher]: treesize reduction 42, result has 35.4 percent of original size [2021-03-11 11:39:59,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:39:59,025 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-03-11 11:39:59,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:39:59,052 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:39:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:39:59,076 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:39:59,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:39:59,115 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:39:59,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:39:59,133 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:39:59,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:39:59,177 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:39:59,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:39:59,216 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:59,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:59,238 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:39:59,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:39:59,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:39:59,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:39:59,261 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 11:39:59,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197529695] [2021-03-11 11:39:59,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:39:59,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:39:59,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666749810] [2021-03-11 11:39:59,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:39:59,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:39:59,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:39:59,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:39:59,262 INFO L87 Difference]: Start difference. First operand 51 states and 70 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:39:59,947 INFO L93 Difference]: Finished difference Result 81 states and 114 transitions. [2021-03-11 11:39:59,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:39:59,948 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:39:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:39:59,948 INFO L225 Difference]: With dead ends: 81 [2021-03-11 11:39:59,948 INFO L226 Difference]: Without dead ends: 47 [2021-03-11 11:39:59,948 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 628.0ms TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:39:59,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-03-11 11:39:59,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-03-11 11:39:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 0 states have call successors, (0), 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 11:39:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2021-03-11 11:39:59,949 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 22 [2021-03-11 11:39:59,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:39:59,949 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-03-11 11:39:59,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:39:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2021-03-11 11:39:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:39:59,950 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:39:59,950 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:39:59,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-11 11:39:59,950 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:39:59,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:39:59,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1380829930, now seen corresponding path program 40 times [2021-03-11 11:39:59,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:39:59,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665748272] [2021-03-11 11:39:59,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:39:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:39:59,996 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-11 11:39:59,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:40:00,006 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:40:00,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:40:00,019 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:40:00,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:40:00,032 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:40:00,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:40:00,045 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-03-11 11:40:00,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:40:00,060 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:40:00,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:40:00,077 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.8 percent of original size [2021-03-11 11:40:00,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:40:00,085 INFO L142 QuantifierPusher]: treesize reduction 42, result has 35.4 percent of original size [2021-03-11 11:40:00,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:40:00,112 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-03-11 11:40:00,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:40:00,132 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:40:00,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:40:00,150 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:40:00,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:40:00,189 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:40:00,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:40:00,203 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:40:00,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:40:00,232 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:40:00,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:40:00,273 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:40:00,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:40:00,290 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 11:40:00,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:40:00,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:40:00,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:40:00,307 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 11:40:00,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665748272] [2021-03-11 11:40:00,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:40:00,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:40:00,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107888116] [2021-03-11 11:40:00,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:40:00,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:40:00,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:40:00,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:40:00,308 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:40:00,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:40:00,891 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2021-03-11 11:40:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:40:00,891 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:40:00,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:40:00,892 INFO L225 Difference]: With dead ends: 53 [2021-03-11 11:40:00,892 INFO L226 Difference]: Without dead ends: 38 [2021-03-11 11:40:00,892 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 535.4ms TimeCoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:40:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-03-11 11:40:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-03-11 11:40:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 0 states have call successors, (0), 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 11:40:00,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-03-11 11:40:00,893 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 22 [2021-03-11 11:40:00,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:40:00,893 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-03-11 11:40:00,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:40:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-03-11 11:40:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:40:00,893 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:40:00,893 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:40:00,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-11 11:40:00,893 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:40:00,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:40:00,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1023922590, now seen corresponding path program 41 times [2021-03-11 11:40:00,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:40:00,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442700694] [2021-03-11 11:40:00,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:40:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:40:00,937 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-11 11:40:00,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:40:00,947 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:40:00,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:40:00,961 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:40:00,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:40:00,974 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:40:00,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:40:00,991 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-03-11 11:40:00,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:40:01,010 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-11 11:40:01,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:40:01,032 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.8 percent of original size [2021-03-11 11:40:01,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:40:01,043 INFO L142 QuantifierPusher]: treesize reduction 42, result has 35.4 percent of original size [2021-03-11 11:40:01,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:40:01,062 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-03-11 11:40:01,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:40:01,083 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-11 11:40:01,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:40:01,102 INFO L142 QuantifierPusher]: treesize reduction 32, result has 58.4 percent of original size [2021-03-11 11:40:01,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 11:40:01,131 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-11 11:40:01,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:40:01,145 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-03-11 11:40:01,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:40:01,179 INFO L142 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size [2021-03-11 11:40:01,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:40:01,205 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:40:01,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:40:01,222 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:40:01,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:40:01,223 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:40:01,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:40:01,240 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 11:40:01,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442700694] [2021-03-11 11:40:01,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:40:01,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 11:40:01,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919015582] [2021-03-11 11:40:01,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 11:40:01,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:40:01,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 11:40:01,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-11 11:40:01,244 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:40:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:40:01,798 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2021-03-11 11:40:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:40:01,798 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 22 [2021-03-11 11:40:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:40:01,798 INFO L225 Difference]: With dead ends: 37 [2021-03-11 11:40:01,798 INFO L226 Difference]: Without dead ends: 0 [2021-03-11 11:40:01,798 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 559.6ms TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:40:01,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-11 11:40:01,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-11 11:40:01,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 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 11:40:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-11 11:40:01,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-03-11 11:40:01,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:40:01,799 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-11 11:40:01,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 11:40:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-11 11:40:01,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 11:40:01,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-11 11:40:01,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 11:40:01 BasicIcfg [2021-03-11 11:40:01,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 11:40:01,802 INFO L168 Benchmark]: Toolchain (without parser) took 120160.72 ms. Allocated memory was 255.9 MB in the beginning and 524.3 MB in the end (delta: 268.4 MB). Free memory was 235.2 MB in the beginning and 490.2 MB in the end (delta: -255.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.0 GB. [2021-03-11 11:40:01,802 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 11:40:01,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.80 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 234.6 MB in the beginning and 336.9 MB in the end (delta: -102.3 MB). Peak memory consumption was 67.0 MB. Max. memory is 16.0 GB. [2021-03-11 11:40:01,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.04 ms. Allocated memory is still 362.8 MB. Free memory was 336.9 MB in the beginning and 333.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:40:01,803 INFO L168 Benchmark]: Boogie Preprocessor took 33.92 ms. Allocated memory is still 362.8 MB. Free memory was 333.9 MB in the beginning and 331.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:40:01,803 INFO L168 Benchmark]: RCFGBuilder took 661.93 ms. Allocated memory is still 362.8 MB. Free memory was 331.8 MB in the beginning and 283.5 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-11 11:40:01,803 INFO L168 Benchmark]: TraceAbstraction took 118399.15 ms. Allocated memory was 362.8 MB in the beginning and 524.3 MB in the end (delta: 161.5 MB). Free memory was 283.5 MB in the beginning and 490.2 MB in the end (delta: -206.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 11:40:01,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 987.80 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 234.6 MB in the beginning and 336.9 MB in the end (delta: -102.3 MB). Peak memory consumption was 67.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 69.04 ms. Allocated memory is still 362.8 MB. Free memory was 336.9 MB in the beginning and 333.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 33.92 ms. Allocated memory is still 362.8 MB. Free memory was 333.9 MB in the beginning and 331.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 661.93 ms. Allocated memory is still 362.8 MB. Free memory was 331.8 MB in the beginning and 283.5 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 118399.15 ms. Allocated memory was 362.8 MB in the beginning and 524.3 MB in the end (delta: 161.5 MB). Free memory was 283.5 MB in the beginning and 490.2 MB in the end (delta: -206.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67056.2ms, 161 PlacesBefore, 41 PlacesAfterwards, 165 TransitionsBefore, 40 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 8 FixpointIterations, 96 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 184 TotalNumberOfCompositions, 7162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3316, positive: 3076, positive conditional: 0, positive unconditional: 3076, negative: 240, negative conditional: 0, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2109, positive: 2055, positive conditional: 0, positive unconditional: 2055, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2109, positive: 2052, positive conditional: 0, positive unconditional: 2052, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50550, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 737, negative conditional: 0, negative unconditional: 737, unknown: 49791, unknown conditional: 0, unknown unconditional: 49791] ], Cache Queries: [ total: 3316, positive: 1021, positive conditional: 0, positive unconditional: 1021, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 2109, unknown conditional: 0, unknown unconditional: 2109] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 101, Positive conditional cache size: 0, Positive unconditional cache size: 101, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 118251.3ms, OverallIterations: 54, TraceHistogramMax: 1, EmptinessCheckTime: 36.7ms, AutomataDifference: 31518.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 67129.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1326 SDtfs, 2768 SDslu, 6234 SDs, 0 SdLazy, 18763 SolverSat, 1349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15092.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1112 GetRequests, 59 SyntacticMatches, 111 SemanticMatches, 942 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2347 ImplicationChecksByTransitivity, 26720.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=3, InterpolantAutomatonStates: 688, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 300.5ms AutomataMinimizationTime, 54 MinimizatonAttempts, 2157 StatesRemovedByMinimization, 43 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 102.6ms SsaConstructionTime, 828.8ms SatisfiabilityAnalysisTime, 17668.8ms InterpolantComputationTime, 1121 NumberOfCodeBlocks, 1121 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1067 ConstructedInterpolants, 0 QuantifiedInterpolants, 25026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 54 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...