/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread/sigma.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-17 20:38:06,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-17 20:38:06,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-17 20:38:06,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-17 20:38:06,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-17 20:38:06,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-17 20:38:06,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-17 20:38:06,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-17 20:38:06,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-17 20:38:06,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-17 20:38:06,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-17 20:38:06,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-17 20:38:06,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-17 20:38:06,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-17 20:38:06,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-17 20:38:06,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-17 20:38:06,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-17 20:38:06,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-17 20:38:06,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-17 20:38:06,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-17 20:38:06,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-17 20:38:06,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-17 20:38:06,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-17 20:38:06,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-17 20:38:06,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-17 20:38:06,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-17 20:38:06,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-17 20:38:06,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-17 20:38:06,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-17 20:38:06,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-17 20:38:06,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-17 20:38:06,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-17 20:38:06,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-17 20:38:06,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-17 20:38:06,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-17 20:38:06,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-17 20:38:06,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-17 20:38:06,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-17 20:38:06,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-17 20:38:06,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-17 20:38:06,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-17 20:38:06,791 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-keepdead.epf [2020-12-17 20:38:06,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-17 20:38:06,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-17 20:38:06,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-17 20:38:06,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-17 20:38:06,871 INFO L138 SettingsManager]: * Use SBE=true [2020-12-17 20:38:06,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-17 20:38:06,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-17 20:38:06,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-17 20:38:06,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-17 20:38:06,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-17 20:38:06,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-17 20:38:06,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-17 20:38:06,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-17 20:38:06,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-17 20:38:06,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-17 20:38:06,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-17 20:38:06,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-17 20:38:06,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-17 20:38:06,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-17 20:38:06,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-17 20:38:06,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-17 20:38:06,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 20:38:06,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-17 20:38:06,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-17 20:38:06,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-17 20:38:06,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-17 20:38:06,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-17 20:38:06,878 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-17 20:38:06,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-17 20:38:06,878 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-17 20:38:06,878 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-17 20:38:06,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-17 20:38:07,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-17 20:38:07,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-17 20:38:07,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-17 20:38:07,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-17 20:38:07,470 INFO L275 PluginConnector]: CDTParser initialized [2020-12-17 20:38:07,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sigma.i [2020-12-17 20:38:07,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee296ef5c/d3ed99c23c2b44a0b8c8b5cd51a83837/FLAG0ff5dc5bd [2020-12-17 20:38:08,598 INFO L306 CDTParser]: Found 1 translation units. [2020-12-17 20:38:08,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sigma.i [2020-12-17 20:38:08,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee296ef5c/d3ed99c23c2b44a0b8c8b5cd51a83837/FLAG0ff5dc5bd [2020-12-17 20:38:08,717 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee296ef5c/d3ed99c23c2b44a0b8c8b5cd51a83837 [2020-12-17 20:38:08,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-17 20:38:08,729 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-17 20:38:08,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-17 20:38:08,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-17 20:38:08,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-17 20:38:08,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:38:08" (1/1) ... [2020-12-17 20:38:08,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fab153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:08, skipping insertion in model container [2020-12-17 20:38:08,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:38:08" (1/1) ... [2020-12-17 20:38:08,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-17 20:38:08,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-17 20:38:09,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 20:38:09,936 INFO L203 MainTranslator]: Completed pre-run [2020-12-17 20:38:10,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 20:38:10,482 INFO L208 MainTranslator]: Completed translation [2020-12-17 20:38:10,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10 WrapperNode [2020-12-17 20:38:10,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-17 20:38:10,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-17 20:38:10,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-17 20:38:10,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-17 20:38:10,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-17 20:38:10,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-17 20:38:10,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-17 20:38:10,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-17 20:38:10,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (1/1) ... [2020-12-17 20:38:10,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-17 20:38:10,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-17 20:38:10,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-17 20:38:10,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-17 20:38:10,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (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 [2020-12-17 20:38:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-17 20:38:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-17 20:38:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-17 20:38:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-17 20:38:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-17 20:38:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-17 20:38:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-17 20:38:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-17 20:38:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2020-12-17 20:38:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2020-12-17 20:38:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-17 20:38:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-17 20:38:10,855 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-17 20:38:11,702 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-17 20:38:11,704 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-12-17 20:38:11,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:38:11 BoogieIcfgContainer [2020-12-17 20:38:11,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-17 20:38:11,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-17 20:38:11,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-17 20:38:11,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-17 20:38:11,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 08:38:08" (1/3) ... [2020-12-17 20:38:11,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e20d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:38:11, skipping insertion in model container [2020-12-17 20:38:11,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:38:10" (2/3) ... [2020-12-17 20:38:11,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e20d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:38:11, skipping insertion in model container [2020-12-17 20:38:11,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:38:11" (3/3) ... [2020-12-17 20:38:11,723 INFO L111 eAbstractionObserver]: Analyzing ICFG sigma.i [2020-12-17 20:38:11,755 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-17 20:38:11,756 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-17 20:38:11,763 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-17 20:38:11,764 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-17 20:38:11,833 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,834 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,834 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,835 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,835 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,835 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,835 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,836 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,836 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,837 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,837 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,838 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,842 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,843 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,843 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,843 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:11,867 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-17 20:38:11,890 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-17 20:38:11,943 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:38:11,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:38:11,943 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:38:11,944 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:38:11,944 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:38:11,944 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:38:11,944 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:38:11,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:38:11,976 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 93 transitions, 194 flow [2020-12-17 20:38:12,038 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 289 states, 283 states have (on average 1.7491166077738516) internal successors, (495), 288 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 289 states, 283 states have (on average 1.7491166077738516) internal successors, (495), 288 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:38:12,060 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:12,061 INFO L504 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] [2020-12-17 20:38:12,062 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:12,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:12,073 INFO L82 PathProgramCache]: Analyzing trace with hash -834290626, now seen corresponding path program 1 times [2020-12-17 20:38:12,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:12,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139397871] [2020-12-17 20:38:12,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:38:12,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139397871] [2020-12-17 20:38:12,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:12,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-17 20:38:12,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163555733] [2020-12-17 20:38:12,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-17 20:38:12,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:12,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-17 20:38:12,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:38:12,444 INFO L87 Difference]: Start difference. First operand has 289 states, 283 states have (on average 1.7491166077738516) internal successors, (495), 288 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:12,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:12,483 INFO L93 Difference]: Finished difference Result 277 states and 443 transitions. [2020-12-17 20:38:12,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-17 20:38:12,486 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:38:12,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:12,490 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:38:12,491 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 443 transitions. Word has length 43 [2020-12-17 20:38:12,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:12,493 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 443 transitions. [2020-12-17 20:38:12,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 443 transitions. [2020-12-17 20:38:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:38:12,496 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:12,497 INFO L504 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] [2020-12-17 20:38:12,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-17 20:38:12,497 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:12,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1181834657, now seen corresponding path program 1 times [2020-12-17 20:38:12,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:12,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084985358] [2020-12-17 20:38:12,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:38:12,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084985358] [2020-12-17 20:38:12,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:12,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 20:38:12,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342015339] [2020-12-17 20:38:12,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 20:38:12,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:12,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 20:38:12,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:38:12,787 INFO L87 Difference]: Start difference. First operand 277 states and 443 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:12,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:12,996 INFO L93 Difference]: Finished difference Result 161 states and 229 transitions. [2020-12-17 20:38:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-17 20:38:12,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:38:12,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:12,999 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:38:12,999 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 229 transitions. Word has length 43 [2020-12-17 20:38:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:13,000 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 229 transitions. [2020-12-17 20:38:13,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 229 transitions. [2020-12-17 20:38:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-17 20:38:13,004 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:13,004 INFO L504 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 20:38:13,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-17 20:38:13,005 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:13,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:13,006 INFO L82 PathProgramCache]: Analyzing trace with hash 402070648, now seen corresponding path program 1 times [2020-12-17 20:38:13,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:13,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941300354] [2020-12-17 20:38:13,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:38:13,077 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:38:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:38:13,147 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:38:13,234 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 20:38:13,235 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 20:38:13,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-17 20:38:13,236 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-17 20:38:13,236 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-17 20:38:13,250 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,251 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,251 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,251 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,252 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,252 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,252 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,252 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,253 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,253 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,253 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,254 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,254 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,255 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,255 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,255 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,256 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,256 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,256 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,256 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,257 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,257 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,257 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,257 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,258 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,259 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,259 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,259 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,263 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,263 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,264 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,264 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:13,274 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-12-17 20:38:13,275 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-17 20:38:13,277 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:38:13,277 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:38:13,278 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:38:13,278 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:38:13,278 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:38:13,278 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:38:13,278 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:38:13,279 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:38:13,283 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 99 transitions, 216 flow [2020-12-17 20:38:13,357 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1554 states, 1544 states have (on average 2.45660621761658) internal successors, (3793), 1553 states have internal predecessors, (3793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 1554 states, 1544 states have (on average 2.45660621761658) internal successors, (3793), 1553 states have internal predecessors, (3793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:38:13,368 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:13,368 INFO L504 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] [2020-12-17 20:38:13,368 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:13,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:13,370 INFO L82 PathProgramCache]: Analyzing trace with hash 508683457, now seen corresponding path program 1 times [2020-12-17 20:38:13,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:13,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5144383] [2020-12-17 20:38:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:38:13,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5144383] [2020-12-17 20:38:13,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:13,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-17 20:38:13,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138510070] [2020-12-17 20:38:13,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-17 20:38:13,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:13,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-17 20:38:13,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:38:13,443 INFO L87 Difference]: Start difference. First operand has 1554 states, 1544 states have (on average 2.45660621761658) internal successors, (3793), 1553 states have internal predecessors, (3793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:13,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:13,479 INFO L93 Difference]: Finished difference Result 1482 states and 3448 transitions. [2020-12-17 20:38:13,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-17 20:38:13,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:38:13,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:13,481 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:38:13,481 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 3448 transitions. Word has length 43 [2020-12-17 20:38:13,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:13,482 INFO L481 AbstractCegarLoop]: Abstraction has 1482 states and 3448 transitions. [2020-12-17 20:38:13,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 3448 transitions. [2020-12-17 20:38:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:38:13,487 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:13,487 INFO L504 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] [2020-12-17 20:38:13,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-17 20:38:13,493 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:13,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:13,493 INFO L82 PathProgramCache]: Analyzing trace with hash 161139426, now seen corresponding path program 1 times [2020-12-17 20:38:13,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:13,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095109316] [2020-12-17 20:38:13,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:38:13,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095109316] [2020-12-17 20:38:13,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:13,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 20:38:13,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991797080] [2020-12-17 20:38:13,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 20:38:13,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:13,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 20:38:13,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:38:13,702 INFO L87 Difference]: Start difference. First operand 1482 states and 3448 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:13,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:13,848 INFO L93 Difference]: Finished difference Result 930 states and 1962 transitions. [2020-12-17 20:38:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-17 20:38:13,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:38:13,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:13,850 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:38:13,850 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1962 transitions. Word has length 43 [2020-12-17 20:38:13,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:13,851 INFO L481 AbstractCegarLoop]: Abstraction has 930 states and 1962 transitions. [2020-12-17 20:38:13,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1962 transitions. [2020-12-17 20:38:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-17 20:38:13,856 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:13,857 INFO L504 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 20:38:13,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-17 20:38:13,857 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:13,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:13,858 INFO L82 PathProgramCache]: Analyzing trace with hash -2021681074, now seen corresponding path program 1 times [2020-12-17 20:38:13,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:13,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346809801] [2020-12-17 20:38:13,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:38:13,959 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:38:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:38:14,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:38:14,080 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 20:38:14,081 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 20:38:14,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-17 20:38:14,082 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-17 20:38:14,084 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-12-17 20:38:14,107 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,108 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,108 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,108 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,108 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,109 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,109 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,109 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,110 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,110 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,110 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,110 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,111 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,111 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,112 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,112 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,112 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,112 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,113 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,113 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,113 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,113 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,113 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,114 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,114 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,115 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,116 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,116 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,116 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,116 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,117 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,117 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,117 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,117 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,118 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,118 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,122 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,122 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,123 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,123 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,128 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,129 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,129 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,129 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,131 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,132 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,132 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,132 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:14,149 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-12-17 20:38:14,149 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-17 20:38:14,150 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:38:14,150 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:38:14,150 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:38:14,150 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:38:14,151 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:38:14,151 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:38:14,151 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:38:14,152 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:38:14,157 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 105 transitions, 240 flow [2020-12-17 20:38:14,862 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8899 states, 8881 states have (on average 3.1550501069699357) internal successors, (28020), 8898 states have internal predecessors, (28020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 8899 states, 8881 states have (on average 3.1550501069699357) internal successors, (28020), 8898 states have internal predecessors, (28020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:38:14,905 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:14,905 INFO L504 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] [2020-12-17 20:38:14,905 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:14,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:14,907 INFO L82 PathProgramCache]: Analyzing trace with hash -930261622, now seen corresponding path program 1 times [2020-12-17 20:38:14,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:14,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000565401] [2020-12-17 20:38:14,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:38:14,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000565401] [2020-12-17 20:38:14,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:14,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-17 20:38:14,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114882444] [2020-12-17 20:38:14,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-17 20:38:14,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:14,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-17 20:38:14,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:38:14,978 INFO L87 Difference]: Start difference. First operand has 8899 states, 8881 states have (on average 3.1550501069699357) internal successors, (28020), 8898 states have internal predecessors, (28020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:15,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:15,092 INFO L93 Difference]: Finished difference Result 8467 states and 25702 transitions. [2020-12-17 20:38:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-17 20:38:15,093 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:38:15,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:15,095 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:38:15,095 INFO L78 Accepts]: Start accepts. Automaton has 8467 states and 25702 transitions. Word has length 43 [2020-12-17 20:38:15,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:15,095 INFO L481 AbstractCegarLoop]: Abstraction has 8467 states and 25702 transitions. [2020-12-17 20:38:15,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 8467 states and 25702 transitions. [2020-12-17 20:38:15,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:38:15,097 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:15,097 INFO L504 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] [2020-12-17 20:38:15,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-17 20:38:15,098 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:15,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:15,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1277805653, now seen corresponding path program 1 times [2020-12-17 20:38:15,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:15,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21611726] [2020-12-17 20:38:15,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:38:15,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21611726] [2020-12-17 20:38:15,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:15,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 20:38:15,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541463315] [2020-12-17 20:38:15,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 20:38:15,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:15,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 20:38:15,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:38:15,201 INFO L87 Difference]: Start difference. First operand 8467 states and 25702 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:15,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:15,442 INFO L93 Difference]: Finished difference Result 5755 states and 16153 transitions. [2020-12-17 20:38:15,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-17 20:38:15,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:38:15,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:15,445 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:38:15,445 INFO L78 Accepts]: Start accepts. Automaton has 5755 states and 16153 transitions. Word has length 43 [2020-12-17 20:38:15,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:15,446 INFO L481 AbstractCegarLoop]: Abstraction has 5755 states and 16153 transitions. [2020-12-17 20:38:15,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 16153 transitions. [2020-12-17 20:38:15,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-17 20:38:15,450 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:15,450 INFO L504 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] [2020-12-17 20:38:15,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-17 20:38:15,451 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:15,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:15,452 INFO L82 PathProgramCache]: Analyzing trace with hash 400740095, now seen corresponding path program 1 times [2020-12-17 20:38:15,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:15,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102927365] [2020-12-17 20:38:15,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-17 20:38:15,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102927365] [2020-12-17 20:38:15,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:15,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-17 20:38:15,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236665173] [2020-12-17 20:38:15,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-17 20:38:15,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:15,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-17 20:38:15,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-17 20:38:15,709 INFO L87 Difference]: Start difference. First operand 5755 states and 16153 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:16,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:16,043 INFO L93 Difference]: Finished difference Result 6301 states and 17491 transitions. [2020-12-17 20:38:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-17 20:38:16,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2020-12-17 20:38:16,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:16,045 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:38:16,045 INFO L78 Accepts]: Start accepts. Automaton has 6301 states and 17491 transitions. Word has length 68 [2020-12-17 20:38:16,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:16,046 INFO L481 AbstractCegarLoop]: Abstraction has 6301 states and 17491 transitions. [2020-12-17 20:38:16,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 6301 states and 17491 transitions. [2020-12-17 20:38:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-17 20:38:16,055 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:16,055 INFO L504 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 20:38:16,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-17 20:38:16,056 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:16,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:16,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1359733939, now seen corresponding path program 1 times [2020-12-17 20:38:16,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:16,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708062068] [2020-12-17 20:38:16,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:38:16,094 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:38:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:38:16,122 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:38:16,145 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 20:38:16,146 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 20:38:16,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-17 20:38:16,146 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-17 20:38:16,147 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-12-17 20:38:16,160 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,160 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,161 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,161 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,161 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,161 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,161 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,161 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,162 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,162 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,162 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,162 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,162 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,163 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,163 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,163 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,163 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,163 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,163 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,163 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,164 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,164 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,164 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,164 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,165 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,165 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,165 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,165 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,165 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,165 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,166 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,166 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,166 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,166 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,166 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,167 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,167 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,167 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,167 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,167 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,167 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,168 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,168 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,168 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,168 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,168 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,168 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,169 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,169 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,170 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,170 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,170 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,173 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,173 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,173 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,173 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,176 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,176 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,176 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,176 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,179 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,180 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,180 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,180 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:16,189 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-17 20:38:16,189 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-17 20:38:16,191 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:38:16,191 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:38:16,191 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:38:16,191 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:38:16,191 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:38:16,191 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:38:16,192 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:38:16,192 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:38:16,195 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 111 transitions, 266 flow [2020-12-17 20:38:23,593 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 51744 states, 51710 states have (on average 3.8427190098626958) internal successors, (198707), 51743 states have internal predecessors, (198707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 51744 states, 51710 states have (on average 3.8427190098626958) internal successors, (198707), 51743 states have internal predecessors, (198707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:38:23,974 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:23,974 INFO L504 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] [2020-12-17 20:38:23,974 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:23,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:23,975 INFO L82 PathProgramCache]: Analyzing trace with hash -856158567, now seen corresponding path program 1 times [2020-12-17 20:38:23,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:23,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632100631] [2020-12-17 20:38:23,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:38:24,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632100631] [2020-12-17 20:38:24,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:24,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-17 20:38:24,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484076970] [2020-12-17 20:38:24,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-17 20:38:24,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:24,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-17 20:38:24,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:38:24,160 INFO L87 Difference]: Start difference. First operand has 51744 states, 51710 states have (on average 3.8427190098626958) internal successors, (198707), 51743 states have internal predecessors, (198707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:25,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:25,335 INFO L93 Difference]: Finished difference Result 49152 states and 183236 transitions. [2020-12-17 20:38:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-17 20:38:25,336 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:38:25,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:25,337 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:38:25,338 INFO L78 Accepts]: Start accepts. Automaton has 49152 states and 183236 transitions. Word has length 43 [2020-12-17 20:38:25,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:25,338 INFO L481 AbstractCegarLoop]: Abstraction has 49152 states and 183236 transitions. [2020-12-17 20:38:25,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 49152 states and 183236 transitions. [2020-12-17 20:38:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:38:25,339 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:25,339 INFO L504 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] [2020-12-17 20:38:25,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-17 20:38:25,340 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:25,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:25,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1203702598, now seen corresponding path program 1 times [2020-12-17 20:38:25,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:25,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64598852] [2020-12-17 20:38:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:38:25,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64598852] [2020-12-17 20:38:25,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:25,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 20:38:25,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943434869] [2020-12-17 20:38:25,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 20:38:25,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:25,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 20:38:25,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:38:25,568 INFO L87 Difference]: Start difference. First operand 49152 states and 183236 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:26,126 INFO L93 Difference]: Finished difference Result 35740 states and 125017 transitions. [2020-12-17 20:38:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-17 20:38:26,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:38:26,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:26,128 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:38:26,128 INFO L78 Accepts]: Start accepts. Automaton has 35740 states and 125017 transitions. Word has length 43 [2020-12-17 20:38:26,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:26,128 INFO L481 AbstractCegarLoop]: Abstraction has 35740 states and 125017 transitions. [2020-12-17 20:38:26,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 35740 states and 125017 transitions. [2020-12-17 20:38:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-17 20:38:26,139 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:26,139 INFO L504 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] [2020-12-17 20:38:26,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-17 20:38:26,140 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:26,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:26,141 INFO L82 PathProgramCache]: Analyzing trace with hash -648799018, now seen corresponding path program 1 times [2020-12-17 20:38:26,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:26,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789938337] [2020-12-17 20:38:26,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-17 20:38:26,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789938337] [2020-12-17 20:38:26,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:38:26,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-17 20:38:26,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25182035] [2020-12-17 20:38:26,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-17 20:38:26,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:26,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-17 20:38:26,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-17 20:38:26,282 INFO L87 Difference]: Start difference. First operand 35740 states and 125017 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:27,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:27,026 INFO L93 Difference]: Finished difference Result 39766 states and 137779 transitions. [2020-12-17 20:38:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-17 20:38:27,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2020-12-17 20:38:27,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:27,029 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:38:27,029 INFO L78 Accepts]: Start accepts. Automaton has 39766 states and 137779 transitions. Word has length 68 [2020-12-17 20:38:27,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:27,030 INFO L481 AbstractCegarLoop]: Abstraction has 39766 states and 137779 transitions. [2020-12-17 20:38:27,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 39766 states and 137779 transitions. [2020-12-17 20:38:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-17 20:38:27,045 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:27,046 INFO L504 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] [2020-12-17 20:38:27,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-17 20:38:27,047 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:27,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:27,048 INFO L82 PathProgramCache]: Analyzing trace with hash -758705632, now seen corresponding path program 1 times [2020-12-17 20:38:27,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:27,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204704734] [2020-12-17 20:38:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-17 20:38:27,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204704734] [2020-12-17 20:38:27,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57411148] [2020-12-17 20:38:27,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-17 20:38:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:27,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-17 20:38:27,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-17 20:38:27,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-17 20:38:27,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-17 20:38:27,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-12-17 20:38:27,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287138060] [2020-12-17 20:38:27,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-17 20:38:27,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:38:27,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-17 20:38:27,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-17 20:38:27,575 INFO L87 Difference]: Start difference. First operand 39766 states and 137779 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:28,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:28,388 INFO L93 Difference]: Finished difference Result 39737 states and 137729 transitions. [2020-12-17 20:38:28,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-17 20:38:28,388 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 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 75 [2020-12-17 20:38:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:28,389 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2020-12-17 20:38:28,389 INFO L78 Accepts]: Start accepts. Automaton has 39737 states and 137729 transitions. Word has length 75 [2020-12-17 20:38:28,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:28,389 INFO L481 AbstractCegarLoop]: Abstraction has 39737 states and 137729 transitions. [2020-12-17 20:38:28,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:38:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 39737 states and 137729 transitions. [2020-12-17 20:38:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-17 20:38:28,420 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:28,420 INFO L504 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 20:38:28,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-17 20:38:28,636 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:38:28,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:28,637 INFO L82 PathProgramCache]: Analyzing trace with hash 804587687, now seen corresponding path program 1 times [2020-12-17 20:38:28,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:28,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948963603] [2020-12-17 20:38:28,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:38:28,669 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:38:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:38:28,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:38:28,715 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 20:38:28,716 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 20:38:28,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-17 20:38:28,716 WARN L386 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-17 20:38:28,716 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-12-17 20:38:28,731 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,731 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,731 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,731 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,732 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,732 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,732 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,732 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,732 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,733 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,733 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,733 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,733 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,733 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,733 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,733 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,734 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,734 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,734 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,734 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,734 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,735 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,735 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,735 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,735 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,735 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,736 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,736 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,736 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,736 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,736 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,736 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,737 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,737 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,737 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,737 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,737 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,738 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,738 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,738 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,739 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,740 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,740 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,740 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,740 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,740 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,740 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,741 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,741 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,741 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,741 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,742 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,742 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,742 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,743 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,743 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,745 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,746 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,746 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,746 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,749 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,749 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,749 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,749 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,753 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,753 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,754 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,754 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,756 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,756 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,756 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,756 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:38:28,768 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2020-12-17 20:38:28,769 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-17 20:38:28,770 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:38:28,770 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:38:28,770 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:38:28,770 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:38:28,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:38:28,771 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:38:28,771 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:38:28,771 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:38:28,773 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 117 transitions, 294 flow [2020-12-17 20:41:58,411 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 302689 states, 302623 states have (on average 4.524487563734415) internal successors, (1369214), 302688 states have internal predecessors, (1369214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:41:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 302689 states, 302623 states have (on average 4.524487563734415) internal successors, (1369214), 302688 states have internal predecessors, (1369214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:41:58,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:41:58,949 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:41:58,949 INFO L504 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] [2020-12-17 20:41:58,949 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:41:58,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:41:58,950 INFO L82 PathProgramCache]: Analyzing trace with hash 730992622, now seen corresponding path program 1 times [2020-12-17 20:41:58,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:41:58,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760407537] [2020-12-17 20:41:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:41:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:41:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:41:58,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760407537] [2020-12-17 20:41:58,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:41:58,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-17 20:41:58,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140783878] [2020-12-17 20:41:58,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-17 20:41:58,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:41:58,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-17 20:41:58,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:41:59,425 INFO L87 Difference]: Start difference. First operand has 302689 states, 302623 states have (on average 4.524487563734415) internal successors, (1369214), 302688 states have internal predecessors, (1369214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:04,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:42:04,016 INFO L93 Difference]: Finished difference Result 287137 states and 1266810 transitions. [2020-12-17 20:42:04,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-17 20:42:04,016 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:42:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:42:04,017 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:42:04,017 INFO L78 Accepts]: Start accepts. Automaton has 287137 states and 1266810 transitions. Word has length 43 [2020-12-17 20:42:04,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:42:04,017 INFO L481 AbstractCegarLoop]: Abstraction has 287137 states and 1266810 transitions. [2020-12-17 20:42:04,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 287137 states and 1266810 transitions. [2020-12-17 20:42:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-17 20:42:04,018 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:42:04,018 INFO L504 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] [2020-12-17 20:42:04,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-17 20:42:04,018 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:42:04,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:42:04,019 INFO L82 PathProgramCache]: Analyzing trace with hash 383448591, now seen corresponding path program 1 times [2020-12-17 20:42:04,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:42:04,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833002401] [2020-12-17 20:42:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:42:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:42:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:42:04,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833002401] [2020-12-17 20:42:04,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:42:04,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 20:42:04,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662053572] [2020-12-17 20:42:04,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 20:42:04,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:42:04,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 20:42:04,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:42:04,082 INFO L87 Difference]: Start difference. First operand 287137 states and 1266810 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:06,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:42:06,895 INFO L93 Difference]: Finished difference Result 220725 states and 924266 transitions. [2020-12-17 20:42:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-17 20:42:06,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2020-12-17 20:42:06,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:42:06,897 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:42:06,897 INFO L78 Accepts]: Start accepts. Automaton has 220725 states and 924266 transitions. Word has length 43 [2020-12-17 20:42:06,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:42:06,898 INFO L481 AbstractCegarLoop]: Abstraction has 220725 states and 924266 transitions. [2020-12-17 20:42:06,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 220725 states and 924266 transitions. [2020-12-17 20:42:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-17 20:42:06,900 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:42:06,901 INFO L504 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] [2020-12-17 20:42:06,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-17 20:42:06,901 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:42:06,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:42:06,902 INFO L82 PathProgramCache]: Analyzing trace with hash -931251049, now seen corresponding path program 1 times [2020-12-17 20:42:06,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:42:06,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423169758] [2020-12-17 20:42:06,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:42:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:42:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-17 20:42:06,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423169758] [2020-12-17 20:42:06,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:42:06,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-17 20:42:06,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686384237] [2020-12-17 20:42:06,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-17 20:42:06,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:42:06,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-17 20:42:06,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-17 20:42:06,985 INFO L87 Difference]: Start difference. First operand 220725 states and 924266 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:10,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:42:10,958 INFO L93 Difference]: Finished difference Result 248631 states and 1032692 transitions. [2020-12-17 20:42:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-17 20:42:10,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2020-12-17 20:42:10,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:42:10,960 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:42:10,960 INFO L78 Accepts]: Start accepts. Automaton has 248631 states and 1032692 transitions. Word has length 68 [2020-12-17 20:42:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:42:10,960 INFO L481 AbstractCegarLoop]: Abstraction has 248631 states and 1032692 transitions. [2020-12-17 20:42:10,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 248631 states and 1032692 transitions. [2020-12-17 20:42:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-17 20:42:10,969 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:42:10,969 INFO L504 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] [2020-12-17 20:42:10,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-17 20:42:10,969 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:42:10,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:42:10,970 INFO L82 PathProgramCache]: Analyzing trace with hash -250171436, now seen corresponding path program 1 times [2020-12-17 20:42:10,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:42:10,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888861246] [2020-12-17 20:42:10,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:42:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:42:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-17 20:42:11,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888861246] [2020-12-17 20:42:11,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021072668] [2020-12-17 20:42:11,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-17 20:42:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:42:11,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-17 20:42:11,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-17 20:42:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-17 20:42:11,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-17 20:42:11,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-12-17 20:42:11,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931504780] [2020-12-17 20:42:11,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-17 20:42:11,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:42:11,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-17 20:42:11,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-17 20:42:11,274 INFO L87 Difference]: Start difference. First operand 248631 states and 1032692 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:14,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:42:14,410 INFO L93 Difference]: Finished difference Result 248602 states and 1032642 transitions. [2020-12-17 20:42:14,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-17 20:42:14,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 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 75 [2020-12-17 20:42:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:42:14,411 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2020-12-17 20:42:14,411 INFO L78 Accepts]: Start accepts. Automaton has 248602 states and 1032642 transitions. Word has length 75 [2020-12-17 20:42:14,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:42:14,412 INFO L481 AbstractCegarLoop]: Abstraction has 248602 states and 1032642 transitions. [2020-12-17 20:42:14,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 248602 states and 1032642 transitions. [2020-12-17 20:42:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-17 20:42:14,456 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:42:14,456 INFO L504 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 20:42:14,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-17 20:42:14,674 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:42:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:42:14,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1112857013, now seen corresponding path program 1 times [2020-12-17 20:42:14,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:42:14,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649712676] [2020-12-17 20:42:14,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:42:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:42:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-17 20:42:14,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649712676] [2020-12-17 20:42:14,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817269180] [2020-12-17 20:42:14,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-17 20:42:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:42:14,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-17 20:42:14,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-17 20:42:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-17 20:42:15,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-17 20:42:15,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2020-12-17 20:42:15,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124602820] [2020-12-17 20:42:15,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-17 20:42:15,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:42:15,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-17 20:42:15,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-12-17 20:42:15,076 INFO L87 Difference]: Start difference. First operand 248602 states and 1032642 transitions. Second operand has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:17,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:42:17,927 INFO L93 Difference]: Finished difference Result 161347 states and 659383 transitions. [2020-12-17 20:42:17,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-17 20:42:17,928 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 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 87 [2020-12-17 20:42:17,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:42:17,929 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-17 20:42:17,929 INFO L78 Accepts]: Start accepts. Automaton has 161347 states and 659383 transitions. Word has length 87 [2020-12-17 20:42:17,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:42:17,929 INFO L481 AbstractCegarLoop]: Abstraction has 161347 states and 659383 transitions. [2020-12-17 20:42:17,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:42:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 161347 states and 659383 transitions. [2020-12-17 20:42:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-17 20:42:18,025 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:42:18,025 INFO L504 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 20:42:18,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-17 20:42:18,238 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:42:18,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:42:18,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1888668458, now seen corresponding path program 1 times [2020-12-17 20:42:18,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:42:18,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124108437] [2020-12-17 20:42:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:42:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:42:18,277 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:42:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:42:18,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:42:18,359 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 20:42:18,362 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 20:42:18,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-17 20:42:18,362 WARN L386 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-17 20:42:18,363 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-12-17 20:42:18,378 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,378 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,378 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,379 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,379 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,379 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,379 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,379 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,380 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,380 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,380 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,380 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,380 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,380 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,380 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,381 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,381 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,381 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,381 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,381 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,382 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,382 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,382 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,382 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,382 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,382 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,382 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,383 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,383 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,383 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,383 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,383 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,383 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,384 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,384 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,384 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,384 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,384 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,384 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,384 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,385 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,385 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,385 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,385 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,385 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,385 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,386 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,386 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,386 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,386 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,386 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,386 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,386 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,387 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,387 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,387 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,387 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,387 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,387 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,388 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,388 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,388 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,388 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,388 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,388 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,389 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,389 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,389 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,389 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,389 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,389 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,389 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,390 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,390 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,390 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,391 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,393 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,393 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,393 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,393 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,395 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,395 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,395 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,395 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,398 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,398 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,398 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,398 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,400 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,400 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,400 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,400 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,402 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,403 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,403 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,403 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:42:18,411 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2020-12-17 20:42:18,411 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-17 20:42:18,412 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:42:18,412 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:42:18,412 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:42:18,412 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:42:18,413 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:42:18,413 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:42:18,413 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:42:18,413 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:42:18,416 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 122 places, 123 transitions, 324 flow Received shutdown request... [2020-12-17 20:51:56,526 WARN L546 AbstractCegarLoop]: Verification canceled [2020-12-17 20:51:56,543 WARN L250 ceAbstractionStarter]: Timeout [2020-12-17 20:51:56,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 08:51:56 BasicIcfg [2020-12-17 20:51:56,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-17 20:51:56,550 INFO L168 Benchmark]: Toolchain (without parser) took 827816.55 ms. Allocated memory was 302.0 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 275.3 MB in the beginning and 7.2 GB in the end (delta: -6.9 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2020-12-17 20:51:56,556 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 272.8 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 20:51:56,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1751.53 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 234.3 MB in the end (delta: 40.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.0 GB. [2020-12-17 20:51:56,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.37 ms. Allocated memory is still 302.0 MB. Free memory was 234.3 MB in the beginning and 232.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 20:51:56,561 INFO L168 Benchmark]: Boogie Preprocessor took 84.50 ms. Allocated memory is still 302.0 MB. Free memory was 232.2 MB in the beginning and 230.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 20:51:56,562 INFO L168 Benchmark]: RCFGBuilder took 967.40 ms. Allocated memory is still 302.0 MB. Free memory was 230.1 MB in the beginning and 203.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-12-17 20:51:56,563 INFO L168 Benchmark]: TraceAbstraction took 824832.78 ms. Allocated memory was 302.0 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 202.9 MB in the beginning and 7.2 GB in the end (delta: -7.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2020-12-17 20:51:56,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 272.8 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1751.53 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 234.3 MB in the end (delta: 40.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 161.37 ms. Allocated memory is still 302.0 MB. Free memory was 234.3 MB in the beginning and 232.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 84.50 ms. Allocated memory is still 302.0 MB. Free memory was 232.2 MB in the beginning and 230.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 967.40 ms. Allocated memory is still 302.0 MB. Free memory was 230.1 MB in the beginning and 203.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 824832.78 ms. Allocated memory was 302.0 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 202.9 MB in the beginning and 7.2 GB in the end (delta: -7.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 24]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 24). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 122 places, 123 transitions, 324 flow. Already constructed 493716 states. Currently 47505 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 824.3s, OverallIterations: 21, TraceHistogramMax: 6, AutomataDifference: 22.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 796.0s, HoareTripleCheckerStatistics: 1677 SDtfs, 1710 SDslu, 2234 SDs, 0 SdLazy, 674 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 310 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302689occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1473 NumberOfCodeBlocks, 1473 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1089 ConstructedInterpolants, 0 QuantifiedInterpolants, 176349 SizeOfPredicates, 14 NumberOfNonLiveVariables, 548 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 31/50 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 could not prove your program: Timeout Completed graceful shutdown