/usr/bin/java -Xmx8000000000 -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-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 22:14:07,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 22:14:07,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 22:14:07,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 22:14:07,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 22:14:07,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 22:14:07,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 22:14:07,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 22:14:07,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 22:14:07,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 22:14:07,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 22:14:07,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 22:14:07,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 22:14:07,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 22:14:07,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 22:14:07,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 22:14:07,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 22:14:07,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 22:14:07,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 22:14:07,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 22:14:07,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 22:14:07,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 22:14:07,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 22:14:07,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 22:14:07,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-09 22:14:07,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 22:14:07,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 22:14:07,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 22:14:07,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 22:14:07,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 22:14:07,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 22:14:07,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 22:14:07,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 22:14:07,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 22:14:07,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 22:14:07,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 22:14:07,880 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-NoLbe-Delay.epf [2021-07-09 22:14:07,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 22:14:07,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 22:14:07,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 22:14:07,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 22:14:07,909 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 22:14:07,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 22:14:07,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 22:14:07,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 22:14:07,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 22:14:07,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 22:14:07,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 22:14:07,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 22:14:07,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 22:14:07,911 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 22:14:07,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 22:14:07,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 22:14:07,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 22:14:07,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 22:14:07,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 22:14:07,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 22:14:07,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 22:14:07,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:14:07,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 22:14:07,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 22:14:07,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 22:14:07,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 22:14:07,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 22:14:07,921 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 22:14:07,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 22:14:07,921 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 22:14:07,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 22:14:08,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 22:14:08,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 22:14:08,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 22:14:08,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 22:14:08,212 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 22:14:08,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-07-09 22:14:08,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772f273b4/fc536bdcf3994838b23fe28938598a5b/FLAG8eaf02821 [2021-07-09 22:14:08,671 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 22:14:08,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-07-09 22:14:08,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772f273b4/fc536bdcf3994838b23fe28938598a5b/FLAG8eaf02821 [2021-07-09 22:14:08,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772f273b4/fc536bdcf3994838b23fe28938598a5b [2021-07-09 22:14:08,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 22:14:08,991 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 22:14:08,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 22:14:08,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 22:14:08,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 22:14:08,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:14:08" (1/1) ... [2021-07-09 22:14:08,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b461ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:08, skipping insertion in model container [2021-07-09 22:14:08,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:14:08" (1/1) ... [2021-07-09 22:14:09,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 22:14:09,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 22:14:09,153 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-09 22:14:09,491 WARN L224 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-3_2-container_of-global.i[75009,75022] [2021-07-09 22:14:09,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:14:09,524 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 22:14:09,532 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-09 22:14:09,553 WARN L224 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-3_2-container_of-global.i[75009,75022] [2021-07-09 22:14:09,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:14:09,617 INFO L208 MainTranslator]: Completed translation [2021-07-09 22:14:09,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09 WrapperNode [2021-07-09 22:14:09,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 22:14:09,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 22:14:09,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 22:14:09,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 22:14:09,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 22:14:09,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 22:14:09,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 22:14:09,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 22:14:09,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (1/1) ... [2021-07-09 22:14:09,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 22:14:09,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 22:14:09,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 22:14:09,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 22:14:09,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (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 [2021-07-09 22:14:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-09 22:14:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 22:14:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-09 22:14:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-09 22:14:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-09 22:14:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 22:14:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 22:14:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-07-09 22:14:09,779 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-07-09 22:14:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 22:14:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 22:14:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 22:14:09,780 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 22:14:10,247 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 22:14:10,247 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-07-09 22:14:10,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:14:10 BoogieIcfgContainer [2021-07-09 22:14:10,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 22:14:10,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 22:14:10,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 22:14:10,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 22:14:10,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 10:14:08" (1/3) ... [2021-07-09 22:14:10,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3615131a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:14:10, skipping insertion in model container [2021-07-09 22:14:10,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:09" (2/3) ... [2021-07-09 22:14:10,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3615131a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:14:10, skipping insertion in model container [2021-07-09 22:14:10,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:14:10" (3/3) ... [2021-07-09 22:14:10,253 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2021-07-09 22:14:10,257 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 22:14:10,257 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 22:14:10,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-07-09 22:14:10,257 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 22:14:10,277 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,277 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,277 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,281 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,282 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,286 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,286 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,286 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,286 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,290 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,290 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,290 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,290 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,290 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,290 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,291 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:10,299 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-09 22:14:10,314 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-07-09 22:14:10,326 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:14:10,326 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:14:10,326 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:14:10,326 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:14:10,326 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:14:10,326 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:14:10,326 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:14:10,327 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 22:15:05,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 4270 states, 3859 states have (on average 1.5680228038351904) internal successors, (6051), 4269 states have internal predecessors, (6051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 22:15:05,168 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:05,169 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:05,169 INFO L430 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]=== [2021-07-09 22:15:05,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:05,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1369970770, now seen corresponding path program 1 times [2021-07-09 22:15:05,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:05,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908993095] [2021-07-09 22:15:05,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:05,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:05,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:05,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:05,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:05,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:05,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:05,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:05,651 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:05,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908993095] [2021-07-09 22:15:05,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908993095] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:05,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:05,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:05,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041870] [2021-07-09 22:15:05,654 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:05,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:05,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:05,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:05,673 INFO L87 Difference]: Start difference. First operand has 4270 states, 3859 states have (on average 1.5680228038351904) internal successors, (6051), 4269 states have internal predecessors, (6051), 0 states have call successors, (0), 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 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:05,883 INFO L93 Difference]: Finished difference Result 4064 states and 5676 transitions. [2021-07-09 22:15:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:15:05,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-07-09 22:15:05,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:05,897 INFO L225 Difference]: With dead ends: 4064 [2021-07-09 22:15:05,897 INFO L226 Difference]: Without dead ends: 1842 [2021-07-09 22:15:05,898 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 171.4ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:15:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2021-07-09 22:15:05,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1841. [2021-07-09 22:15:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1816 states have (on average 1.5357929515418502) internal successors, (2789), 1840 states have internal predecessors, (2789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2789 transitions. [2021-07-09 22:15:05,996 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2789 transitions. Word has length 36 [2021-07-09 22:15:05,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:05,996 INFO L482 AbstractCegarLoop]: Abstraction has 1841 states and 2789 transitions. [2021-07-09 22:15:05,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2789 transitions. [2021-07-09 22:15:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 22:15:05,997 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:05,997 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:05,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 22:15:05,997 INFO L430 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]=== [2021-07-09 22:15:05,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:05,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1499060535, now seen corresponding path program 1 times [2021-07-09 22:15:05,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:05,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614674950] [2021-07-09 22:15:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:06,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:06,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:06,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:06,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:06,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:06,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:06,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:06,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614674950] [2021-07-09 22:15:06,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614674950] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:06,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:06,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:06,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954044103] [2021-07-09 22:15:06,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:06,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:06,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:06,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:06,081 INFO L87 Difference]: Start difference. First operand 1841 states and 2789 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:06,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:06,240 INFO L93 Difference]: Finished difference Result 1843 states and 2791 transitions. [2021-07-09 22:15:06,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 22:15:06,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2021-07-09 22:15:06,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:06,246 INFO L225 Difference]: With dead ends: 1843 [2021-07-09 22:15:06,246 INFO L226 Difference]: Without dead ends: 1843 [2021-07-09 22:15:06,246 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 54.3ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-09 22:15:06,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2021-07-09 22:15:06,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1839. [2021-07-09 22:15:06,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1815 states have (on average 1.5355371900826447) internal successors, (2787), 1838 states have internal predecessors, (2787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2787 transitions. [2021-07-09 22:15:06,277 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2787 transitions. Word has length 42 [2021-07-09 22:15:06,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:06,278 INFO L482 AbstractCegarLoop]: Abstraction has 1839 states and 2787 transitions. [2021-07-09 22:15:06,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:06,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2787 transitions. [2021-07-09 22:15:06,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-07-09 22:15:06,279 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:06,279 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:06,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 22:15:06,279 INFO L430 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]=== [2021-07-09 22:15:06,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:06,280 INFO L82 PathProgramCache]: Analyzing trace with hash 709377487, now seen corresponding path program 1 times [2021-07-09 22:15:06,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:06,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048113516] [2021-07-09 22:15:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:06,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:06,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:06,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:06,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:06,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:06,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:06,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:06,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:06,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048113516] [2021-07-09 22:15:06,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048113516] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:06,390 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:06,390 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:06,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933836486] [2021-07-09 22:15:06,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:06,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:06,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:06,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:06,391 INFO L87 Difference]: Start difference. First operand 1839 states and 2787 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:06,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:06,683 INFO L93 Difference]: Finished difference Result 2962 states and 4747 transitions. [2021-07-09 22:15:06,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:15:06,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2021-07-09 22:15:06,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:06,694 INFO L225 Difference]: With dead ends: 2962 [2021-07-09 22:15:06,695 INFO L226 Difference]: Without dead ends: 2962 [2021-07-09 22:15:06,695 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 90.8ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:15:06,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2021-07-09 22:15:06,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2073. [2021-07-09 22:15:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2073 states, 2050 states have (on average 1.5897560975609757) internal successors, (3259), 2072 states have internal predecessors, (3259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 3259 transitions. [2021-07-09 22:15:06,742 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 3259 transitions. Word has length 60 [2021-07-09 22:15:06,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:06,742 INFO L482 AbstractCegarLoop]: Abstraction has 2073 states and 3259 transitions. [2021-07-09 22:15:06,742 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 3259 transitions. [2021-07-09 22:15:06,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-09 22:15:06,743 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:06,743 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:06,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 22:15:06,744 INFO L430 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]=== [2021-07-09 22:15:06,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:06,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1924610094, now seen corresponding path program 1 times [2021-07-09 22:15:06,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:06,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785278689] [2021-07-09 22:15:06,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:06,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:06,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:06,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:06,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:06,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:06,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:06,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:06,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785278689] [2021-07-09 22:15:06,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785278689] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:06,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:06,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:06,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985993526] [2021-07-09 22:15:06,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:06,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:06,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:06,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:06,847 INFO L87 Difference]: Start difference. First operand 2073 states and 3259 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:07,249 INFO L93 Difference]: Finished difference Result 3196 states and 5186 transitions. [2021-07-09 22:15:07,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:15:07,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-07-09 22:15:07,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:07,258 INFO L225 Difference]: With dead ends: 3196 [2021-07-09 22:15:07,258 INFO L226 Difference]: Without dead ends: 2577 [2021-07-09 22:15:07,259 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 90.7ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:15:07,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2021-07-09 22:15:07,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2205. [2021-07-09 22:15:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2205 states, 2183 states have (on average 1.7311039853412735) internal successors, (3779), 2204 states have internal predecessors, (3779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 2205 states and 3779 transitions. [2021-07-09 22:15:07,309 INFO L78 Accepts]: Start accepts. Automaton has 2205 states and 3779 transitions. Word has length 66 [2021-07-09 22:15:07,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:07,309 INFO L482 AbstractCegarLoop]: Abstraction has 2205 states and 3779 transitions. [2021-07-09 22:15:07,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 3779 transitions. [2021-07-09 22:15:07,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-07-09 22:15:07,313 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:07,313 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:07,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 22:15:07,314 INFO L430 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]=== [2021-07-09 22:15:07,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:07,314 INFO L82 PathProgramCache]: Analyzing trace with hash 12404866, now seen corresponding path program 1 times [2021-07-09 22:15:07,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:07,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290006648] [2021-07-09 22:15:07,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:07,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:07,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:07,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:07,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:07,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:07,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:07,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290006648] [2021-07-09 22:15:07,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290006648] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:07,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:07,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 22:15:07,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929358228] [2021-07-09 22:15:07,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 22:15:07,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:07,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 22:15:07,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 22:15:07,397 INFO L87 Difference]: Start difference. First operand 2205 states and 3779 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:07,423 INFO L93 Difference]: Finished difference Result 415 states and 564 transitions. [2021-07-09 22:15:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 22:15:07,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2021-07-09 22:15:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:07,426 INFO L225 Difference]: With dead ends: 415 [2021-07-09 22:15:07,426 INFO L226 Difference]: Without dead ends: 415 [2021-07-09 22:15:07,426 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:15:07,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-07-09 22:15:07,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2021-07-09 22:15:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 413 states have (on average 1.3656174334140436) internal successors, (564), 414 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 564 transitions. [2021-07-09 22:15:07,432 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 564 transitions. Word has length 78 [2021-07-09 22:15:07,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:07,432 INFO L482 AbstractCegarLoop]: Abstraction has 415 states and 564 transitions. [2021-07-09 22:15:07,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 564 transitions. [2021-07-09 22:15:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-09 22:15:07,433 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:07,433 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:07,433 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 22:15:07,434 INFO L430 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]=== [2021-07-09 22:15:07,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:07,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1109455868, now seen corresponding path program 1 times [2021-07-09 22:15:07,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:07,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708977520] [2021-07-09 22:15:07,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:07,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:07,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:07,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:07,702 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-07-09 22:15:07,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:07,741 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:15:07,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:07,760 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-07-09 22:15:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:07,774 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-07-09 22:15:07,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:07,789 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:15:07,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:07,803 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:07,820 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:15:07,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:07,833 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:15:07,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:07,844 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:07,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:07,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:07,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:07,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:07,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:07,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:07,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:07,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:07,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708977520] [2021-07-09 22:15:07,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708977520] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:07,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:07,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-09 22:15:07,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361094255] [2021-07-09 22:15:07,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 22:15:07,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:07,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 22:15:07,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:15:07,885 INFO L87 Difference]: Start difference. First operand 415 states and 564 transitions. Second operand has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:08,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:08,519 INFO L93 Difference]: Finished difference Result 493 states and 670 transitions. [2021-07-09 22:15:08,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 22:15:08,520 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-09 22:15:08,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:08,521 INFO L225 Difference]: With dead ends: 493 [2021-07-09 22:15:08,521 INFO L226 Difference]: Without dead ends: 493 [2021-07-09 22:15:08,522 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 546.7ms TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2021-07-09 22:15:08,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2021-07-09 22:15:08,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 485. [2021-07-09 22:15:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 483 states have (on average 1.3726708074534162) internal successors, (663), 484 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 663 transitions. [2021-07-09 22:15:08,529 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 663 transitions. Word has length 105 [2021-07-09 22:15:08,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:08,529 INFO L482 AbstractCegarLoop]: Abstraction has 485 states and 663 transitions. [2021-07-09 22:15:08,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 663 transitions. [2021-07-09 22:15:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-09 22:15:08,530 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:08,530 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:08,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 22:15:08,530 INFO L430 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]=== [2021-07-09 22:15:08,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:08,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1193986636, now seen corresponding path program 2 times [2021-07-09 22:15:08,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:08,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431688357] [2021-07-09 22:15:08,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:08,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:08,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:08,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:08,687 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-07-09 22:15:08,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:08,697 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:08,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:08,713 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-07-09 22:15:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:08,727 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-07-09 22:15:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 22:15:08,746 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-09 22:15:08,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:08,772 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-09 22:15:08,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:08,797 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-09 22:15:08,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:08,827 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:15:08,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:15:08,862 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-07-09 22:15:08,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:08,879 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:08,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:08,881 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:15:08,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:08,894 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:08,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:08,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:08,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:08,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:08,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:08,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:08,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:08,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:08,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431688357] [2021-07-09 22:15:08,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431688357] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:08,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:08,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-07-09 22:15:08,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882777673] [2021-07-09 22:15:08,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 22:15:08,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:08,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 22:15:08,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-07-09 22:15:08,965 INFO L87 Difference]: Start difference. First operand 485 states and 663 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:10,001 INFO L93 Difference]: Finished difference Result 696 states and 985 transitions. [2021-07-09 22:15:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 22:15:10,001 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-09 22:15:10,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:10,006 INFO L225 Difference]: With dead ends: 696 [2021-07-09 22:15:10,006 INFO L226 Difference]: Without dead ends: 696 [2021-07-09 22:15:10,007 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 898.1ms TimeCoverageRelationStatistics Valid=266, Invalid=790, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:15:10,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-07-09 22:15:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 535. [2021-07-09 22:15:10,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 533 states have (on average 1.4296435272045027) internal successors, (762), 534 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 762 transitions. [2021-07-09 22:15:10,015 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 762 transitions. Word has length 105 [2021-07-09 22:15:10,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:10,015 INFO L482 AbstractCegarLoop]: Abstraction has 535 states and 762 transitions. [2021-07-09 22:15:10,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 762 transitions. [2021-07-09 22:15:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-09 22:15:10,016 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:10,017 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:10,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 22:15:10,017 INFO L430 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]=== [2021-07-09 22:15:10,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:10,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1080366318, now seen corresponding path program 1 times [2021-07-09 22:15:10,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:10,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538398840] [2021-07-09 22:15:10,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:10,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:10,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:10,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-09 22:15:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:15:10,158 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-09 22:15:10,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:10,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:10,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:10,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:10,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:10,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:10,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:10,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:10,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:10,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:10,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:15:10,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:10,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:10,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:10,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 22:15:10,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:10,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:15:10,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:10,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:15:10,561 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-09 22:15:10,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-09 22:15:10,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:10,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:10,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538398840] [2021-07-09 22:15:10,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538398840] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:10,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:10,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-07-09 22:15:10,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312744887] [2021-07-09 22:15:10,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 22:15:10,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:10,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 22:15:10,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-07-09 22:15:10,623 INFO L87 Difference]: Start difference. First operand 535 states and 762 transitions. Second operand has 21 states, 21 states have (on average 5.0) internal successors, (105), 21 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:12,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:12,065 INFO L93 Difference]: Finished difference Result 796 states and 1161 transitions. [2021-07-09 22:15:12,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 22:15:12,066 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.0) internal successors, (105), 21 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-09 22:15:12,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:12,068 INFO L225 Difference]: With dead ends: 796 [2021-07-09 22:15:12,068 INFO L226 Difference]: Without dead ends: 731 [2021-07-09 22:15:12,069 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1168.8ms TimeCoverageRelationStatistics Valid=419, Invalid=1387, Unknown=0, NotChecked=0, Total=1806 [2021-07-09 22:15:12,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-07-09 22:15:12,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 608. [2021-07-09 22:15:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 606 states have (on average 1.4785478547854785) internal successors, (896), 607 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 896 transitions. [2021-07-09 22:15:12,078 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 896 transitions. Word has length 105 [2021-07-09 22:15:12,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:12,078 INFO L482 AbstractCegarLoop]: Abstraction has 608 states and 896 transitions. [2021-07-09 22:15:12,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 5.0) internal successors, (105), 21 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 896 transitions. [2021-07-09 22:15:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-09 22:15:12,079 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:12,080 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:12,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 22:15:12,080 INFO L430 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]=== [2021-07-09 22:15:12,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:12,080 INFO L82 PathProgramCache]: Analyzing trace with hash 143860660, now seen corresponding path program 3 times [2021-07-09 22:15:12,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:12,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800306333] [2021-07-09 22:15:12,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:12,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:12,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:12,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:12,225 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-07-09 22:15:12,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:12,234 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:12,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:12,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-07-09 22:15:12,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:12,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-07-09 22:15:12,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:12,263 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-09 22:15:12,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:12,274 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:12,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:12,290 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:15:12,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:12,299 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:12,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:12,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:12,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:12,312 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:12,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:12,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:12,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:12,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:12,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:12,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:12,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800306333] [2021-07-09 22:15:12,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800306333] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:12,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:12,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-09 22:15:12,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982539126] [2021-07-09 22:15:12,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 22:15:12,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:12,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 22:15:12,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:15:12,357 INFO L87 Difference]: Start difference. First operand 608 states and 896 transitions. Second operand has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:13,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:13,041 INFO L93 Difference]: Finished difference Result 728 states and 1062 transitions. [2021-07-09 22:15:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 22:15:13,042 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-09 22:15:13,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:13,044 INFO L225 Difference]: With dead ends: 728 [2021-07-09 22:15:13,044 INFO L226 Difference]: Without dead ends: 728 [2021-07-09 22:15:13,044 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 517.3ms TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2021-07-09 22:15:13,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2021-07-09 22:15:13,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 620. [2021-07-09 22:15:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 618 states have (on average 1.4886731391585761) internal successors, (920), 619 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 920 transitions. [2021-07-09 22:15:13,053 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 920 transitions. Word has length 105 [2021-07-09 22:15:13,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:13,053 INFO L482 AbstractCegarLoop]: Abstraction has 620 states and 920 transitions. [2021-07-09 22:15:13,053 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 920 transitions. [2021-07-09 22:15:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-09 22:15:13,057 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:13,057 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:13,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-09 22:15:13,057 INFO L430 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]=== [2021-07-09 22:15:13,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:13,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1763783394, now seen corresponding path program 4 times [2021-07-09 22:15:13,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:13,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197349106] [2021-07-09 22:15:13,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:13,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:13,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:13,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:13,214 INFO L142 QuantifierPusher]: treesize reduction 30, result has 33.3 percent of original size [2021-07-09 22:15:13,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:13,223 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-07-09 22:15:13,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:13,234 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-07-09 22:15:13,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:13,243 INFO L142 QuantifierPusher]: treesize reduction 15, result has 59.5 percent of original size [2021-07-09 22:15:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:13,257 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-09 22:15:13,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:13,272 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-09 22:15:13,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:13,287 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size [2021-07-09 22:15:13,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:13,313 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.7 percent of original size [2021-07-09 22:15:13,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:13,344 INFO L142 QuantifierPusher]: treesize reduction 18, result has 70.5 percent of original size [2021-07-09 22:15:13,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:15:13,365 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-07-09 22:15:13,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 22:15:13,390 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-07-09 22:15:13,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:13,419 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:15:13,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:13,437 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:13,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:13,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:13,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:13,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:13,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:13,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:13,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197349106] [2021-07-09 22:15:13,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197349106] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:13,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:13,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-09 22:15:13,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767145254] [2021-07-09 22:15:13,527 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 22:15:13,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:13,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 22:15:13,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-07-09 22:15:13,528 INFO L87 Difference]: Start difference. First operand 620 states and 920 transitions. Second operand has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 19 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:14,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:14,730 INFO L93 Difference]: Finished difference Result 771 states and 1143 transitions. [2021-07-09 22:15:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 22:15:14,730 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 19 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-09 22:15:14,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:14,733 INFO L225 Difference]: With dead ends: 771 [2021-07-09 22:15:14,733 INFO L226 Difference]: Without dead ends: 771 [2021-07-09 22:15:14,734 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 993.3ms TimeCoverageRelationStatistics Valid=269, Invalid=921, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:15:14,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-07-09 22:15:14,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 632. [2021-07-09 22:15:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 630 states have (on average 1.5047619047619047) internal successors, (948), 631 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 948 transitions. [2021-07-09 22:15:14,743 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 948 transitions. Word has length 105 [2021-07-09 22:15:14,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:14,743 INFO L482 AbstractCegarLoop]: Abstraction has 632 states and 948 transitions. [2021-07-09 22:15:14,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 19 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 948 transitions. [2021-07-09 22:15:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-09 22:15:14,744 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:14,744 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:14,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-09 22:15:14,745 INFO L430 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]=== [2021-07-09 22:15:14,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:14,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1818421786, now seen corresponding path program 5 times [2021-07-09 22:15:14,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:14,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440772011] [2021-07-09 22:15:14,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:14,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:14,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:14,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:14,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:14,882 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-07-09 22:15:14,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:14,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:14,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:14,901 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-07-09 22:15:14,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:14,912 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-07-09 22:15:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:14,926 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-07-09 22:15:14,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:14,944 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-09 22:15:14,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:14,973 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-09 22:15:14,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:15,003 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:15:15,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:15:15,039 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-07-09 22:15:15,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:15,058 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:15,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:15,060 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:15:15,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:15,073 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:15,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:15,097 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:15,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:15,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:15,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:15,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:15,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:15,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:15,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440772011] [2021-07-09 22:15:15,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440772011] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:15,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:15,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-07-09 22:15:15,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317802502] [2021-07-09 22:15:15,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 22:15:15,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:15,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 22:15:15,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-07-09 22:15:15,164 INFO L87 Difference]: Start difference. First operand 632 states and 948 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:16,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:16,198 INFO L93 Difference]: Finished difference Result 847 states and 1263 transitions. [2021-07-09 22:15:16,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 22:15:16,198 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-09 22:15:16,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:16,200 INFO L225 Difference]: With dead ends: 847 [2021-07-09 22:15:16,200 INFO L226 Difference]: Without dead ends: 847 [2021-07-09 22:15:16,201 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 871.1ms TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 22:15:16,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2021-07-09 22:15:16,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 636. [2021-07-09 22:15:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 634 states have (on average 1.5063091482649842) internal successors, (955), 635 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 955 transitions. [2021-07-09 22:15:16,209 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 955 transitions. Word has length 105 [2021-07-09 22:15:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:16,210 INFO L482 AbstractCegarLoop]: Abstraction has 636 states and 955 transitions. [2021-07-09 22:15:16,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 955 transitions. [2021-07-09 22:15:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-09 22:15:16,211 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:16,211 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:16,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-09 22:15:16,211 INFO L430 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]=== [2021-07-09 22:15:16,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:16,211 INFO L82 PathProgramCache]: Analyzing trace with hash 983330444, now seen corresponding path program 6 times [2021-07-09 22:15:16,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:16,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790602124] [2021-07-09 22:15:16,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:16,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:16,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:16,336 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-07-09 22:15:16,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:16,345 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:16,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:16,355 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-07-09 22:15:16,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:16,366 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-07-09 22:15:16,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:16,381 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-09 22:15:16,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:16,407 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-09 22:15:16,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:16,444 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-07-09 22:15:16,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:16,472 INFO L142 QuantifierPusher]: treesize reduction 19, result has 69.4 percent of original size [2021-07-09 22:15:16,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:15:16,506 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:16,528 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:16,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:16,529 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:15:16,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:16,541 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:16,560 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:16,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:16,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:16,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:16,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:16,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:16,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:16,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790602124] [2021-07-09 22:15:16,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790602124] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:16,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:16,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-07-09 22:15:16,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895348734] [2021-07-09 22:15:16,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 22:15:16,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:16,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 22:15:16,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-07-09 22:15:16,612 INFO L87 Difference]: Start difference. First operand 636 states and 955 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:17,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:17,517 INFO L93 Difference]: Finished difference Result 770 states and 1138 transitions. [2021-07-09 22:15:17,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 22:15:17,518 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-09 22:15:17,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:17,520 INFO L225 Difference]: With dead ends: 770 [2021-07-09 22:15:17,520 INFO L226 Difference]: Without dead ends: 770 [2021-07-09 22:15:17,520 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 802.4ms TimeCoverageRelationStatistics Valid=264, Invalid=858, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 22:15:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2021-07-09 22:15:17,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 551. [2021-07-09 22:15:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 550 states have (on average 1.489090909090909) internal successors, (819), 550 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 819 transitions. [2021-07-09 22:15:17,528 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 819 transitions. Word has length 105 [2021-07-09 22:15:17,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:17,528 INFO L482 AbstractCegarLoop]: Abstraction has 551 states and 819 transitions. [2021-07-09 22:15:17,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 819 transitions. [2021-07-09 22:15:17,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-09 22:15:17,529 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:17,529 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:17,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-09 22:15:17,530 INFO L430 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]=== [2021-07-09 22:15:17,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:17,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1124880711, now seen corresponding path program 1 times [2021-07-09 22:15:17,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:17,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23041204] [2021-07-09 22:15:17,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:17,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:17,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:17,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:17,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:17,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-09 22:15:17,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:17,720 INFO L142 QuantifierPusher]: treesize reduction 30, result has 48.3 percent of original size [2021-07-09 22:15:17,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:17,740 INFO L142 QuantifierPusher]: treesize reduction 31, result has 56.9 percent of original size [2021-07-09 22:15:17,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:15:17,769 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-09 22:15:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,788 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-07-09 22:15:17,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:17,806 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-07-09 22:15:17,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:17,823 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-09 22:15:17,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,843 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-09 22:15:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:17,861 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-07-09 22:15:17,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:17,881 INFO L142 QuantifierPusher]: treesize reduction 23, result has 63.5 percent of original size [2021-07-09 22:15:17,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:17,905 INFO L142 QuantifierPusher]: treesize reduction 23, result has 60.3 percent of original size [2021-07-09 22:15:17,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,918 INFO L142 QuantifierPusher]: treesize reduction 23, result has 55.8 percent of original size [2021-07-09 22:15:17,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:17,944 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:15:17,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:17,967 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-09 22:15:17,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:17,999 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-09 22:15:18,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:18,040 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-07-09 22:15:18,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:18,067 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:15:18,088 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:15:18,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:18,098 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-07-09 22:15:18,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:18,131 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:15:18,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:18,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:18,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:18,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:18,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:18,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:18,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:18,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:18,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23041204] [2021-07-09 22:15:18,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23041204] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:18,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:18,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:18,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843509775] [2021-07-09 22:15:18,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:18,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:18,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:18,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:18,236 INFO L87 Difference]: Start difference. First operand 551 states and 819 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:19,884 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2021-07-09 22:15:20,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:20,546 INFO L93 Difference]: Finished difference Result 810 states and 1211 transitions. [2021-07-09 22:15:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 22:15:20,546 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-07-09 22:15:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:20,548 INFO L225 Difference]: With dead ends: 810 [2021-07-09 22:15:20,548 INFO L226 Difference]: Without dead ends: 676 [2021-07-09 22:15:20,550 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 2111.4ms TimeCoverageRelationStatistics Valid=405, Invalid=1947, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 22:15:20,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2021-07-09 22:15:20,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 524. [2021-07-09 22:15:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 523 states have (on average 1.462715105162524) internal successors, (765), 523 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 765 transitions. [2021-07-09 22:15:20,557 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 765 transitions. Word has length 111 [2021-07-09 22:15:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:20,557 INFO L482 AbstractCegarLoop]: Abstraction has 524 states and 765 transitions. [2021-07-09 22:15:20,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 765 transitions. [2021-07-09 22:15:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-09 22:15:20,559 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:20,559 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:20,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-09 22:15:20,559 INFO L430 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]=== [2021-07-09 22:15:20,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:20,559 INFO L82 PathProgramCache]: Analyzing trace with hash 582761651, now seen corresponding path program 2 times [2021-07-09 22:15:20,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:20,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668084467] [2021-07-09 22:15:20,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:20,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:20,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:20,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:20,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:20,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-09 22:15:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:20,740 INFO L142 QuantifierPusher]: treesize reduction 28, result has 50.0 percent of original size [2021-07-09 22:15:20,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:20,760 INFO L142 QuantifierPusher]: treesize reduction 28, result has 59.4 percent of original size [2021-07-09 22:15:20,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:15:20,788 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-09 22:15:20,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:20,806 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-07-09 22:15:20,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:20,823 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-07-09 22:15:20,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:20,840 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-09 22:15:20,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:20,858 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-09 22:15:20,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:20,876 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-07-09 22:15:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:20,895 INFO L142 QuantifierPusher]: treesize reduction 22, result has 64.5 percent of original size [2021-07-09 22:15:20,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:20,919 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-07-09 22:15:20,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:20,932 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.9 percent of original size [2021-07-09 22:15:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:20,953 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-07-09 22:15:20,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:21,007 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:15:21,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:21,042 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:15:21,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:21,079 INFO L142 QuantifierPusher]: treesize reduction 22, result has 59.3 percent of original size [2021-07-09 22:15:21,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:21,105 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:21,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:15:21,124 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:15:21,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:21,131 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-07-09 22:15:21,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 22:15:21,167 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:15:21,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:21,188 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:21,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:21,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:21,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:21,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:21,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:21,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:21,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:21,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:21,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:21,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:21,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668084467] [2021-07-09 22:15:21,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668084467] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:21,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:21,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:21,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613205436] [2021-07-09 22:15:21,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:21,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:21,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:21,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:21,285 INFO L87 Difference]: Start difference. First operand 524 states and 765 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:22,759 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-07-09 22:15:23,025 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2021-07-09 22:15:24,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:24,051 INFO L93 Difference]: Finished difference Result 908 states and 1347 transitions. [2021-07-09 22:15:24,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 22:15:24,052 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-07-09 22:15:24,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:24,054 INFO L225 Difference]: With dead ends: 908 [2021-07-09 22:15:24,054 INFO L226 Difference]: Without dead ends: 819 [2021-07-09 22:15:24,055 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 2638.1ms TimeCoverageRelationStatistics Valid=514, Invalid=2348, Unknown=0, NotChecked=0, Total=2862 [2021-07-09 22:15:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2021-07-09 22:15:24,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 530. [2021-07-09 22:15:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 529 states have (on average 1.4612476370510397) internal successors, (773), 529 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 773 transitions. [2021-07-09 22:15:24,063 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 773 transitions. Word has length 111 [2021-07-09 22:15:24,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:24,063 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 773 transitions. [2021-07-09 22:15:24,063 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 773 transitions. [2021-07-09 22:15:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-09 22:15:24,065 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:24,065 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:24,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-09 22:15:24,065 INFO L430 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]=== [2021-07-09 22:15:24,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:24,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1526005519, now seen corresponding path program 3 times [2021-07-09 22:15:24,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:24,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610277103] [2021-07-09 22:15:24,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:24,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:24,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:24,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:24,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:24,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:24,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:24,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:24,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:24,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-09 22:15:24,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:24,266 INFO L142 QuantifierPusher]: treesize reduction 30, result has 48.3 percent of original size [2021-07-09 22:15:24,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:24,286 INFO L142 QuantifierPusher]: treesize reduction 31, result has 56.9 percent of original size [2021-07-09 22:15:24,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:15:24,312 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-09 22:15:24,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:24,331 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-07-09 22:15:24,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:24,348 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-07-09 22:15:24,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:24,366 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-09 22:15:24,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:24,384 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-09 22:15:24,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:24,401 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-07-09 22:15:24,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:24,421 INFO L142 QuantifierPusher]: treesize reduction 23, result has 63.5 percent of original size [2021-07-09 22:15:24,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:24,445 INFO L142 QuantifierPusher]: treesize reduction 23, result has 60.3 percent of original size [2021-07-09 22:15:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:24,458 INFO L142 QuantifierPusher]: treesize reduction 23, result has 55.8 percent of original size [2021-07-09 22:15:24,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:24,480 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-09 22:15:24,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:24,526 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-09 22:15:24,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:24,576 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-09 22:15:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:24,611 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-07-09 22:15:24,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:24,636 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:24,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:15:24,669 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:15:24,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:24,687 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-07-09 22:15:24,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:24,718 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:15:24,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:24,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:24,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:24,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:24,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:24,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:24,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:24,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:24,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:24,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:24,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:24,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:24,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610277103] [2021-07-09 22:15:24,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610277103] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:24,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:24,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:24,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368530744] [2021-07-09 22:15:24,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:24,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:24,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:24,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:24,822 INFO L87 Difference]: Start difference. First operand 530 states and 773 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:25,483 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 52 [2021-07-09 22:15:26,584 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2021-07-09 22:15:26,723 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-07-09 22:15:27,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:27,579 INFO L93 Difference]: Finished difference Result 904 states and 1337 transitions. [2021-07-09 22:15:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 22:15:27,579 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-07-09 22:15:27,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:27,581 INFO L225 Difference]: With dead ends: 904 [2021-07-09 22:15:27,581 INFO L226 Difference]: Without dead ends: 818 [2021-07-09 22:15:27,582 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 2605.5ms TimeCoverageRelationStatistics Valid=528, Invalid=2334, Unknown=0, NotChecked=0, Total=2862 [2021-07-09 22:15:27,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2021-07-09 22:15:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 532. [2021-07-09 22:15:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 531 states have (on average 1.4595103578154425) internal successors, (775), 531 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 775 transitions. [2021-07-09 22:15:27,589 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 775 transitions. Word has length 111 [2021-07-09 22:15:27,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:27,589 INFO L482 AbstractCegarLoop]: Abstraction has 532 states and 775 transitions. [2021-07-09 22:15:27,589 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 775 transitions. [2021-07-09 22:15:27,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-09 22:15:27,590 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:27,590 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:27,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-09 22:15:27,590 INFO L430 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]=== [2021-07-09 22:15:27,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:27,591 INFO L82 PathProgramCache]: Analyzing trace with hash -686084745, now seen corresponding path program 4 times [2021-07-09 22:15:27,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:27,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800165061] [2021-07-09 22:15:27,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:27,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:27,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:27,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:27,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:27,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-09 22:15:27,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:27,767 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:15:27,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:27,787 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-07-09 22:15:27,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:15:27,817 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.1 percent of original size [2021-07-09 22:15:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,835 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-07-09 22:15:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:27,852 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.8 percent of original size [2021-07-09 22:15:27,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:27,869 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.1 percent of original size [2021-07-09 22:15:27,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,887 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-07-09 22:15:27,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:27,904 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:15:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:27,932 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.7 percent of original size [2021-07-09 22:15:27,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:27,957 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:15:27,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,972 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-09 22:15:27,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:27,995 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-07-09 22:15:27,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:28,047 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-07-09 22:15:28,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:28,096 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.9 percent of original size [2021-07-09 22:15:28,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:28,129 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-07-09 22:15:28,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:28,156 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:28,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:15:28,177 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:15:28,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:28,182 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-07-09 22:15:28,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:28,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:28,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:28,238 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:28,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:28,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:28,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:28,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:28,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:28,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:28,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:28,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:28,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:28,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800165061] [2021-07-09 22:15:28,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800165061] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:28,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:28,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:28,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035845520] [2021-07-09 22:15:28,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:28,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:28,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:28,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:28,312 INFO L87 Difference]: Start difference. First operand 532 states and 775 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:29,624 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2021-07-09 22:15:29,937 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-07-09 22:15:30,177 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-07-09 22:15:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:31,069 INFO L93 Difference]: Finished difference Result 885 states and 1306 transitions. [2021-07-09 22:15:31,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 22:15:31,069 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-07-09 22:15:31,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:31,072 INFO L225 Difference]: With dead ends: 885 [2021-07-09 22:15:31,072 INFO L226 Difference]: Without dead ends: 800 [2021-07-09 22:15:31,072 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 2676.1ms TimeCoverageRelationStatistics Valid=544, Invalid=2318, Unknown=0, NotChecked=0, Total=2862 [2021-07-09 22:15:31,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-07-09 22:15:31,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 548. [2021-07-09 22:15:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 547 states have (on average 1.4497257769652652) internal successors, (793), 547 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 793 transitions. [2021-07-09 22:15:31,079 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 793 transitions. Word has length 111 [2021-07-09 22:15:31,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:31,080 INFO L482 AbstractCegarLoop]: Abstraction has 548 states and 793 transitions. [2021-07-09 22:15:31,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 793 transitions. [2021-07-09 22:15:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-09 22:15:31,081 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:31,081 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:31,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-09 22:15:31,081 INFO L430 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]=== [2021-07-09 22:15:31,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:31,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1762968591, now seen corresponding path program 5 times [2021-07-09 22:15:31,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:31,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929849392] [2021-07-09 22:15:31,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-09 22:15:31,104 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-09 22:15:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-09 22:15:31,136 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-09 22:15:31,177 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-09 22:15:31,178 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-09 22:15:31,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-09 22:15:31,180 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 22:15:31,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 10:15:31 BasicIcfg [2021-07-09 22:15:31,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 22:15:31,258 INFO L168 Benchmark]: Toolchain (without parser) took 82267.44 ms. Allocated memory was 183.5 MB in the beginning and 381.7 MB in the end (delta: 198.2 MB). Free memory was 144.4 MB in the beginning and 203.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 138.6 MB. Max. memory is 8.0 GB. [2021-07-09 22:15:31,258 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 183.5 MB. Free memory was 164.1 MB in the beginning and 164.0 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 22:15:31,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.55 ms. Allocated memory is still 183.5 MB. Free memory was 144.1 MB in the beginning and 125.6 MB in the end (delta: 18.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-07-09 22:15:31,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.61 ms. Allocated memory is still 183.5 MB. Free memory was 125.6 MB in the beginning and 122.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:15:31,258 INFO L168 Benchmark]: Boogie Preprocessor took 43.76 ms. Allocated memory is still 183.5 MB. Free memory was 122.0 MB in the beginning and 119.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:15:31,258 INFO L168 Benchmark]: RCFGBuilder took 536.63 ms. Allocated memory is still 183.5 MB. Free memory was 119.5 MB in the beginning and 128.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-07-09 22:15:31,258 INFO L168 Benchmark]: TraceAbstraction took 81007.91 ms. Allocated memory was 183.5 MB in the beginning and 381.7 MB in the end (delta: 198.2 MB). Free memory was 128.2 MB in the beginning and 203.6 MB in the end (delta: -75.4 MB). Peak memory consumption was 122.8 MB. Max. memory is 8.0 GB. [2021-07-09 22:15:31,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 183.5 MB. Free memory was 164.1 MB in the beginning and 164.0 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 625.55 ms. Allocated memory is still 183.5 MB. Free memory was 144.1 MB in the beginning and 125.6 MB in the end (delta: 18.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.61 ms. Allocated memory is still 183.5 MB. Free memory was 125.6 MB in the beginning and 122.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.76 ms. Allocated memory is still 183.5 MB. Free memory was 122.0 MB in the beginning and 119.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 536.63 ms. Allocated memory is still 183.5 MB. Free memory was 119.5 MB in the beginning and 128.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 81007.91 ms. Allocated memory was 183.5 MB in the beginning and 381.7 MB in the end (delta: 198.2 MB). Free memory was 128.2 MB in the beginning and 203.6 MB in the end (delta: -75.4 MB). Peak memory consumption was 122.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8703, positive: 8049, positive conditional: 8049, positive unconditional: 0, negative: 654, negative conditional: 654, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8551, positive: 8049, positive conditional: 0, positive unconditional: 8049, negative: 502, negative conditional: 0, negative unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1088, positive: 1040, positive conditional: 0, positive unconditional: 1040, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1088, positive: 1040, positive conditional: 0, positive unconditional: 1040, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54553, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1389, negative conditional: 0, negative unconditional: 1389, unknown: 53164, unknown conditional: 0, unknown unconditional: 53164] ], Cache Queries: [ total: 8551, positive: 7009, positive conditional: 0, positive unconditional: 7009, negative: 454, negative conditional: 0, negative unconditional: 454, unknown: 1088, unknown conditional: 0, unknown unconditional: 1088] , Statistics on independence cache: Total cache size (in pairs): 1088, Positive cache size: 1040, Positive conditional cache size: 0, Positive unconditional cache size: 1040, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Independence queries for same thread: 152 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={7:0}, t2={8:0}] [L1688] 0 struct device *my_dev; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1727] 0 return 0; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1733] 0 int ret = my_drv_init(); VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1734] COND TRUE 0 ret==0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1735] 0 int probe_ret; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1736] 0 struct my_data data; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1705] 0 data->shared.a = 0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1706] 0 data->shared.b = 0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1707] 0 data->shared.a VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1708] 0 data->shared.b VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1709] 0 int res = __VERIFIER_nondet_int(); VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1710] COND FALSE 0 !(\read(res)) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1712] 0 my_dev = &data->dev VAL [my_dev={9:24}, t1={7:0}, t2={8:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1715] 0 return 0; VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1737] 0 probe_ret = my_drv_probe(&data) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1738] COND TRUE 0 probe_ret==0 VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1690] 1 struct my_data *data; VAL [arg={0:0}, arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1721] 0 void *status; VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1690] 2 struct my_data *data; VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1693] 2 data->shared.a = 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1722] 0 \read(t1) VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1699] 2 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1740] 0 data.shared.a VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1741] 0 data.shared.b VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 164 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 80853.9ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 48.6ms, AutomataDifference: 18725.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 54812.4ms, PartialOrderReductionTime: 54800.4ms, HoareTripleCheckerStatistics: 2194 SDtfs, 7947 SDslu, 15085 SDs, 0 SdLazy, 7986 SolverSat, 860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4873.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 536 GetRequests, 41 SyntacticMatches, 20 SemanticMatches, 475 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3361 ImplicationChecksByTransitivity, 16260.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4270occurred in iteration=0, InterpolantAutomatonStates: 319, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 309.1ms AutomataMinimizationTime, 16 MinimizatonAttempts, 3214 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.5ms SsaConstructionTime, 326.8ms SatisfiabilityAnalysisTime, 6209.3ms InterpolantComputationTime, 1572 NumberOfCodeBlocks, 1572 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1445 ConstructedInterpolants, 0 QuantifiedInterpolants, 20416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 incorrect! Received shutdown request...