/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 20:10:44,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 20:10:44,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 20:10:44,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 20:10:44,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 20:10:44,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 20:10:44,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 20:10:44,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 20:10:44,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 20:10:44,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 20:10:44,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 20:10:44,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 20:10:44,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 20:10:44,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 20:10:44,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 20:10:44,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 20:10:44,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 20:10:44,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 20:10:44,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 20:10:44,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 20:10:44,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 20:10:44,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 20:10:44,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 20:10:44,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 20:10:44,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 20:10:44,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 20:10:44,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 20:10:44,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 20:10:44,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 20:10:44,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 20:10:44,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 20:10:44,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 20:10:44,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 20:10:44,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 20:10:44,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 20:10:44,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 20:10:44,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 20:10:44,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 20:10:44,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 20:10:44,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 20:10:44,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 20:10:44,872 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-McrStrategy.epf [2020-04-18 20:10:44,892 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 20:10:44,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 20:10:44,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 20:10:44,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 20:10:44,897 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 20:10:44,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 20:10:44,898 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 20:10:44,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 20:10:44,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 20:10:44,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 20:10:44,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 20:10:44,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 20:10:44,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 20:10:44,903 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 20:10:44,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 20:10:44,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 20:10:44,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 20:10:44,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 20:10:44,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 20:10:44,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 20:10:44,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 20:10:44,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 20:10:44,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 20:10:44,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 20:10:44,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 20:10:44,906 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 20:10:44,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 20:10:44,906 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 20:10:44,906 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 20:10:44,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 20:10:44,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 20:10:45,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 20:10:45,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 20:10:45,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 20:10:45,243 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 20:10:45,244 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 20:10:45,245 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-04-18 20:10:45,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917c4213f/aee073a9d778480b86dd31c873f966c3/FLAG32ef70c27 [2020-04-18 20:10:45,941 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 20:10:45,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-04-18 20:10:45,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917c4213f/aee073a9d778480b86dd31c873f966c3/FLAG32ef70c27 [2020-04-18 20:10:46,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917c4213f/aee073a9d778480b86dd31c873f966c3 [2020-04-18 20:10:46,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 20:10:46,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 20:10:46,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 20:10:46,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 20:10:46,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 20:10:46,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:10:46" (1/1) ... [2020-04-18 20:10:46,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b824932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:46, skipping insertion in model container [2020-04-18 20:10:46,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:10:46" (1/1) ... [2020-04-18 20:10:46,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 20:10:46,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 20:10:47,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:10:47,145 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 20:10:47,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:10:47,650 INFO L208 MainTranslator]: Completed translation [2020-04-18 20:10:47,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47 WrapperNode [2020-04-18 20:10:47,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 20:10:47,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 20:10:47,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 20:10:47,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 20:10:47,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 20:10:47,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 20:10:47,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 20:10:47,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 20:10:47,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (1/1) ... [2020-04-18 20:10:47,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 20:10:47,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 20:10:47,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 20:10:47,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 20:10:47,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (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 [2020-04-18 20:10:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 20:10:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 20:10:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 20:10:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 20:10:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 20:10:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 20:10:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 20:10:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 20:10:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 20:10:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 20:10:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 20:10:47,870 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 20:10:48,672 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 20:10:48,673 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 20:10:48,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:10:48 BoogieIcfgContainer [2020-04-18 20:10:48,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 20:10:48,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 20:10:48,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 20:10:48,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 20:10:48,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:10:46" (1/3) ... [2020-04-18 20:10:48,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391d19cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:10:48, skipping insertion in model container [2020-04-18 20:10:48,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:47" (2/3) ... [2020-04-18 20:10:48,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391d19cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:10:48, skipping insertion in model container [2020-04-18 20:10:48,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:10:48" (3/3) ... [2020-04-18 20:10:48,687 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2020-04-18 20:10:48,698 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 20:10:48,698 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 20:10:48,706 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 20:10:48,707 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 20:10:48,740 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,741 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,741 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,741 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,741 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,742 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,742 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,742 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,742 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,743 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,743 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,743 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,743 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,743 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,744 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,744 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,744 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,744 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,745 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,745 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,745 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,745 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,746 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,746 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,746 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,747 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,747 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,747 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,747 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,747 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,748 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,748 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,748 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,749 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,749 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,749 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,750 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,750 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,750 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,750 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,750 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,751 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,751 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,751 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,751 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,752 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,752 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,752 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,752 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,753 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,753 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,753 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,753 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,754 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,754 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,754 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,754 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,755 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,755 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,755 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,755 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,756 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,756 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,756 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,756 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,757 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,757 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,757 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,757 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,757 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,762 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,762 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,762 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,762 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,763 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,763 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,763 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,763 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,764 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,764 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,764 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,764 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,772 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,772 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,773 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,773 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,774 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,774 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,774 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,774 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,775 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,775 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:48,806 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 20:10:48,827 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 20:10:48,827 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 20:10:48,828 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 20:10:48,828 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 20:10:48,828 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 20:10:48,828 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 20:10:48,828 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 20:10:48,829 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 20:10:48,846 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 157 transitions, 336 flow [2020-04-18 20:10:49,436 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12677 states. [2020-04-18 20:10:49,440 INFO L276 IsEmpty]: Start isEmpty. Operand 12677 states. [2020-04-18 20:10:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 20:10:49,458 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:49,459 INFO L425 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] [2020-04-18 20:10:49,459 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:49,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1491282841, now seen corresponding path program 1 times [2020-04-18 20:10:49,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:49,474 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [335513920] [2020-04-18 20:10:49,490 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:49,498 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 20:10:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-04-18 20:10:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 20:10:49,502 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:49,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:49,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1491282841, now seen corresponding path program 2 times [2020-04-18 20:10:49,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:49,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792181718] [2020-04-18 20:10:49,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:50,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792181718] [2020-04-18 20:10:50,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:50,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:50,109 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:50,117 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:50,136 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 20:10:50,137 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:50,192 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:50,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:50,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:50,197 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 6 states. [2020-04-18 20:10:50,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:50,342 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2020-04-18 20:10:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2020-04-18 20:10:50,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:50,344 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [335513920] [2020-04-18 20:10:50,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:50,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:50,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [335513920] [2020-04-18 20:10:50,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:50,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:50,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:50,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 20:10:50,353 INFO L87 Difference]: Start difference. First operand 12677 states. Second operand 6 states. [2020-04-18 20:10:51,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:51,174 INFO L93 Difference]: Finished difference Result 16420 states and 46231 transitions. [2020-04-18 20:10:51,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-18 20:10:51,176 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-04-18 20:10:51,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:51,381 INFO L225 Difference]: With dead ends: 16420 [2020-04-18 20:10:51,381 INFO L226 Difference]: Without dead ends: 14348 [2020-04-18 20:10:51,383 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-04-18 20:10:51,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14348 states. [2020-04-18 20:10:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14348 to 11928. [2020-04-18 20:10:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11928 states. [2020-04-18 20:10:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11928 states to 11928 states and 33543 transitions. [2020-04-18 20:10:52,012 INFO L78 Accepts]: Start accepts. Automaton has 11928 states and 33543 transitions. Word has length 44 [2020-04-18 20:10:52,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:52,013 INFO L479 AbstractCegarLoop]: Abstraction has 11928 states and 33543 transitions. [2020-04-18 20:10:52,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 11928 states and 33543 transitions. [2020-04-18 20:10:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-04-18 20:10:52,025 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:52,025 INFO L425 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] [2020-04-18 20:10:52,026 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:52,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:52,026 INFO L82 PathProgramCache]: Analyzing trace with hash -75883119, now seen corresponding path program 1 times [2020-04-18 20:10:52,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:52,027 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [112802876] [2020-04-18 20:10:52,029 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:52,029 INFO L259 McrAutomatonBuilder]: Finished intersection with 49 states and 48 transitions. [2020-04-18 20:10:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-04-18 20:10:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-04-18 20:10:52,033 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:52,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:52,034 INFO L82 PathProgramCache]: Analyzing trace with hash -75883119, now seen corresponding path program 2 times [2020-04-18 20:10:52,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:52,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200898748] [2020-04-18 20:10:52,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:52,342 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2020-04-18 20:10:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:52,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200898748] [2020-04-18 20:10:52,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:52,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 20:10:52,348 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:52,354 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:52,365 INFO L259 McrAutomatonBuilder]: Finished intersection with 49 states and 48 transitions. [2020-04-18 20:10:52,366 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:52,406 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:52,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 20:10:52,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 20:10:52,407 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 5 states. [2020-04-18 20:10:52,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:52,479 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2020-04-18 20:10:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2020-04-18 20:10:52,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:52,480 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [112802876] [2020-04-18 20:10:52,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:52,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 20:10:52,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [112802876] [2020-04-18 20:10:52,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 20:10:52,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:52,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 20:10:52,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-18 20:10:52,483 INFO L87 Difference]: Start difference. First operand 11928 states and 33543 transitions. Second operand 5 states. [2020-04-18 20:10:52,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:52,676 INFO L93 Difference]: Finished difference Result 11922 states and 33536 transitions. [2020-04-18 20:10:52,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 20:10:52,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-04-18 20:10:52,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:52,729 INFO L225 Difference]: With dead ends: 11922 [2020-04-18 20:10:52,729 INFO L226 Difference]: Without dead ends: 11922 [2020-04-18 20:10:52,731 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-18 20:10:52,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11922 states. [2020-04-18 20:10:53,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11922 to 11907. [2020-04-18 20:10:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11907 states. [2020-04-18 20:10:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11907 states to 11907 states and 33522 transitions. [2020-04-18 20:10:53,218 INFO L78 Accepts]: Start accepts. Automaton has 11907 states and 33522 transitions. Word has length 48 [2020-04-18 20:10:53,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:53,219 INFO L479 AbstractCegarLoop]: Abstraction has 11907 states and 33522 transitions. [2020-04-18 20:10:53,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 20:10:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 11907 states and 33522 transitions. [2020-04-18 20:10:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 20:10:53,223 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:53,226 INFO L425 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] [2020-04-18 20:10:53,227 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:53,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:53,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1088735114, now seen corresponding path program 1 times [2020-04-18 20:10:53,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:53,231 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [271493415] [2020-04-18 20:10:53,232 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:53,232 INFO L259 McrAutomatonBuilder]: Finished intersection with 51 states and 50 transitions. [2020-04-18 20:10:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-04-18 20:10:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 20:10:53,233 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:53,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:53,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1088735114, now seen corresponding path program 2 times [2020-04-18 20:10:53,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:53,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964561092] [2020-04-18 20:10:53,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:53,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964561092] [2020-04-18 20:10:53,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:53,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:53,399 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:53,406 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:53,417 INFO L259 McrAutomatonBuilder]: Finished intersection with 51 states and 50 transitions. [2020-04-18 20:10:53,417 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:53,473 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:53,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:53,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:53,474 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 6 states. [2020-04-18 20:10:53,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:53,615 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2020-04-18 20:10:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2020-04-18 20:10:53,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:53,616 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [271493415] [2020-04-18 20:10:53,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:53,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:53,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [271493415] [2020-04-18 20:10:53,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:53,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:53,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:53,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:10:53,619 INFO L87 Difference]: Start difference. First operand 11907 states and 33522 transitions. Second operand 6 states. [2020-04-18 20:10:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:54,263 INFO L93 Difference]: Finished difference Result 15163 states and 42332 transitions. [2020-04-18 20:10:54,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 20:10:54,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-04-18 20:10:54,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:54,308 INFO L225 Difference]: With dead ends: 15163 [2020-04-18 20:10:54,308 INFO L226 Difference]: Without dead ends: 13369 [2020-04-18 20:10:54,309 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-04-18 20:10:54,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13369 states. [2020-04-18 20:10:55,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13369 to 13047. [2020-04-18 20:10:55,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13047 states. [2020-04-18 20:10:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13047 states to 13047 states and 36710 transitions. [2020-04-18 20:10:55,282 INFO L78 Accepts]: Start accepts. Automaton has 13047 states and 36710 transitions. Word has length 50 [2020-04-18 20:10:55,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:55,283 INFO L479 AbstractCegarLoop]: Abstraction has 13047 states and 36710 transitions. [2020-04-18 20:10:55,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 13047 states and 36710 transitions. [2020-04-18 20:10:55,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-04-18 20:10:55,289 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:55,289 INFO L425 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] [2020-04-18 20:10:55,290 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:55,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:55,290 INFO L82 PathProgramCache]: Analyzing trace with hash 49978714, now seen corresponding path program 1 times [2020-04-18 20:10:55,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:55,291 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [199626495] [2020-04-18 20:10:55,292 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:55,294 INFO L259 McrAutomatonBuilder]: Finished intersection with 55 states and 54 transitions. [2020-04-18 20:10:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-04-18 20:10:55,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-04-18 20:10:55,295 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:55,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:55,296 INFO L82 PathProgramCache]: Analyzing trace with hash 49978714, now seen corresponding path program 2 times [2020-04-18 20:10:55,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:55,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362611900] [2020-04-18 20:10:55,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:55,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362611900] [2020-04-18 20:10:55,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:55,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:55,439 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:55,450 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:55,464 INFO L259 McrAutomatonBuilder]: Finished intersection with 55 states and 54 transitions. [2020-04-18 20:10:55,464 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:55,511 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:55,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:55,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:55,512 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 6 states. [2020-04-18 20:10:55,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:55,609 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-04-18 20:10:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-04-18 20:10:55,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:55,610 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [199626495] [2020-04-18 20:10:55,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:55,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:55,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [199626495] [2020-04-18 20:10:55,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:55,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:55,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:55,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 20:10:55,612 INFO L87 Difference]: Start difference. First operand 13047 states and 36710 transitions. Second operand 6 states. [2020-04-18 20:10:56,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:56,359 INFO L93 Difference]: Finished difference Result 16813 states and 47125 transitions. [2020-04-18 20:10:56,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 20:10:56,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-04-18 20:10:56,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:56,405 INFO L225 Difference]: With dead ends: 16813 [2020-04-18 20:10:56,405 INFO L226 Difference]: Without dead ends: 16813 [2020-04-18 20:10:56,406 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-04-18 20:10:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16813 states. [2020-04-18 20:10:56,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16813 to 13885. [2020-04-18 20:10:56,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13885 states. [2020-04-18 20:10:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13885 states to 13885 states and 39044 transitions. [2020-04-18 20:10:56,814 INFO L78 Accepts]: Start accepts. Automaton has 13885 states and 39044 transitions. Word has length 54 [2020-04-18 20:10:56,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:56,816 INFO L479 AbstractCegarLoop]: Abstraction has 13885 states and 39044 transitions. [2020-04-18 20:10:56,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 13885 states and 39044 transitions. [2020-04-18 20:10:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-04-18 20:10:56,832 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:56,832 INFO L425 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] [2020-04-18 20:10:56,832 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:56,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:56,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1222383590, now seen corresponding path program 1 times [2020-04-18 20:10:56,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:56,837 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [381534752] [2020-04-18 20:10:56,839 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:56,844 INFO L259 McrAutomatonBuilder]: Finished intersection with 203 states and 346 transitions. [2020-04-18 20:10:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-04-18 20:10:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-04-18 20:10:56,849 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:56,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:56,849 INFO L82 PathProgramCache]: Analyzing trace with hash -607784012, now seen corresponding path program 2 times [2020-04-18 20:10:56,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:56,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313563904] [2020-04-18 20:10:56,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:57,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313563904] [2020-04-18 20:10:57,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:57,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 20:10:57,009 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:57,020 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:57,041 INFO L259 McrAutomatonBuilder]: Finished intersection with 67 states and 74 transitions. [2020-04-18 20:10:57,041 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:57,071 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:57,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 20:10:57,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 20:10:57,072 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 5 states. [2020-04-18 20:10:57,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:57,137 INFO L93 Difference]: Finished difference Result 203 states and 346 transitions. [2020-04-18 20:10:57,137 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 346 transitions. [2020-04-18 20:10:57,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:57,138 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [381534752] [2020-04-18 20:10:57,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:57,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 20:10:57,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [381534752] [2020-04-18 20:10:57,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 20:10:57,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:57,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 20:10:57,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-18 20:10:57,140 INFO L87 Difference]: Start difference. First operand 13885 states and 39044 transitions. Second operand 5 states. [2020-04-18 20:10:57,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:57,217 INFO L93 Difference]: Finished difference Result 8060 states and 22534 transitions. [2020-04-18 20:10:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 20:10:57,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-04-18 20:10:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:57,238 INFO L225 Difference]: With dead ends: 8060 [2020-04-18 20:10:57,238 INFO L226 Difference]: Without dead ends: 8060 [2020-04-18 20:10:57,239 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-18 20:10:57,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8060 states. [2020-04-18 20:10:57,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8060 to 8060. [2020-04-18 20:10:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8060 states. [2020-04-18 20:10:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8060 states to 8060 states and 22534 transitions. [2020-04-18 20:10:57,536 INFO L78 Accepts]: Start accepts. Automaton has 8060 states and 22534 transitions. Word has length 58 [2020-04-18 20:10:57,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:57,536 INFO L479 AbstractCegarLoop]: Abstraction has 8060 states and 22534 transitions. [2020-04-18 20:10:57,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 20:10:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 8060 states and 22534 transitions. [2020-04-18 20:10:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-04-18 20:10:57,545 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:57,546 INFO L425 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] [2020-04-18 20:10:57,546 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:57,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:57,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1803011973, now seen corresponding path program 1 times [2020-04-18 20:10:57,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:57,552 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1938552396] [2020-04-18 20:10:57,554 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:57,555 INFO L259 McrAutomatonBuilder]: Finished intersection with 61 states and 60 transitions. [2020-04-18 20:10:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-04-18 20:10:57,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-04-18 20:10:57,560 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:57,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:57,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1803011973, now seen corresponding path program 2 times [2020-04-18 20:10:57,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:57,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377495446] [2020-04-18 20:10:57,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:57,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377495446] [2020-04-18 20:10:57,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:57,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:57,706 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:57,717 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:57,734 INFO L259 McrAutomatonBuilder]: Finished intersection with 61 states and 60 transitions. [2020-04-18 20:10:57,735 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:57,782 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:57,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:57,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:57,783 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 6 states. [2020-04-18 20:10:57,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:57,928 INFO L93 Difference]: Finished difference Result 61 states and 60 transitions. [2020-04-18 20:10:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 60 transitions. [2020-04-18 20:10:57,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:57,929 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1938552396] [2020-04-18 20:10:57,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:57,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:57,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1938552396] [2020-04-18 20:10:57,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:57,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:57,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:57,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:10:57,931 INFO L87 Difference]: Start difference. First operand 8060 states and 22534 transitions. Second operand 6 states. [2020-04-18 20:10:58,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:58,427 INFO L93 Difference]: Finished difference Result 12466 states and 34446 transitions. [2020-04-18 20:10:58,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 20:10:58,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-04-18 20:10:58,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:58,451 INFO L225 Difference]: With dead ends: 12466 [2020-04-18 20:10:58,451 INFO L226 Difference]: Without dead ends: 12466 [2020-04-18 20:10:58,452 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-04-18 20:10:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12466 states. [2020-04-18 20:10:58,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12466 to 10347. [2020-04-18 20:10:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10347 states. [2020-04-18 20:10:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10347 states to 10347 states and 29106 transitions. [2020-04-18 20:10:58,837 INFO L78 Accepts]: Start accepts. Automaton has 10347 states and 29106 transitions. Word has length 60 [2020-04-18 20:10:58,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:58,838 INFO L479 AbstractCegarLoop]: Abstraction has 10347 states and 29106 transitions. [2020-04-18 20:10:58,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:58,838 INFO L276 IsEmpty]: Start isEmpty. Operand 10347 states and 29106 transitions. [2020-04-18 20:10:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-04-18 20:10:58,852 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:58,852 INFO L425 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] [2020-04-18 20:10:58,852 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:58,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:58,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1138782170, now seen corresponding path program 1 times [2020-04-18 20:10:58,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:58,854 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [161694217] [2020-04-18 20:10:58,856 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:58,863 INFO L259 McrAutomatonBuilder]: Finished intersection with 239 states and 414 transitions. [2020-04-18 20:10:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states. [2020-04-18 20:10:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-04-18 20:10:58,867 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:58,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:58,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1824050782, now seen corresponding path program 2 times [2020-04-18 20:10:58,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:58,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332595164] [2020-04-18 20:10:58,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:58,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332595164] [2020-04-18 20:10:58,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:58,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:58,997 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:59,009 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:59,031 INFO L259 McrAutomatonBuilder]: Finished intersection with 71 states and 78 transitions. [2020-04-18 20:10:59,032 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:59,074 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:59,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:59,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:59,074 INFO L87 Difference]: Start difference. First operand 239 states. Second operand 6 states. [2020-04-18 20:10:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:59,268 INFO L93 Difference]: Finished difference Result 251 states and 425 transitions. [2020-04-18 20:10:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 425 transitions. [2020-04-18 20:10:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-04-18 20:10:59,269 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:10:59,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:59,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1138782170, now seen corresponding path program 3 times [2020-04-18 20:10:59,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:59,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097294234] [2020-04-18 20:10:59,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 20:10:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 20:10:59,402 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 20:10:59,403 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 20:10:59,403 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 20:10:59,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:10:59 BasicIcfg [2020-04-18 20:10:59,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 20:10:59,519 INFO L168 Benchmark]: Toolchain (without parser) took 13381.03 ms. Allocated memory was 145.2 MB in the beginning and 654.3 MB in the end (delta: 509.1 MB). Free memory was 99.8 MB in the beginning and 354.6 MB in the end (delta: -254.8 MB). Peak memory consumption was 254.3 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:59,519 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 20:10:59,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1489.75 ms. Allocated memory was 145.2 MB in the beginning and 237.0 MB in the end (delta: 91.8 MB). Free memory was 97.9 MB in the beginning and 169.8 MB in the end (delta: -71.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:59,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.20 ms. Allocated memory is still 237.0 MB. Free memory was 169.8 MB in the beginning and 165.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:59,522 INFO L168 Benchmark]: Boogie Preprocessor took 46.73 ms. Allocated memory is still 237.0 MB. Free memory was 165.4 MB in the beginning and 162.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:59,522 INFO L168 Benchmark]: RCFGBuilder took 889.53 ms. Allocated memory is still 237.0 MB. Free memory was 162.5 MB in the beginning and 114.0 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:59,523 INFO L168 Benchmark]: TraceAbstraction took 10837.53 ms. Allocated memory was 237.0 MB in the beginning and 654.3 MB in the end (delta: 417.3 MB). Free memory was 114.0 MB in the beginning and 354.6 MB in the end (delta: -240.6 MB). Peak memory consumption was 176.8 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:59,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1489.75 ms. Allocated memory was 145.2 MB in the beginning and 237.0 MB in the end (delta: 91.8 MB). Free memory was 97.9 MB in the beginning and 169.8 MB in the end (delta: -71.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 89.20 ms. Allocated memory is still 237.0 MB. Free memory was 169.8 MB in the beginning and 165.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.73 ms. Allocated memory is still 237.0 MB. Free memory was 165.4 MB in the beginning and 162.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 889.53 ms. Allocated memory is still 237.0 MB. Free memory was 162.5 MB in the beginning and 114.0 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10837.53 ms. Allocated memory was 237.0 MB in the beginning and 654.3 MB in the end (delta: 417.3 MB). Free memory was 114.0 MB in the beginning and 354.6 MB in the end (delta: -240.6 MB). Peak memory consumption was 176.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; VAL [t1={5:0}, t2={6:0}] [L1731] 0 return 0; VAL [t1={5:0}, t2={6:0}] [L1737] 0 int ret = my_drv_init(); VAL [t1={5:0}, t2={6:0}] [L1738] COND TRUE 0 ret==0 VAL [t1={5:0}, t2={6:0}] [L1739] 0 int probe_ret; VAL [t1={5:0}, t2={6:0}] [L1740] 0 struct my_data data; VAL [t1={5:0}, t2={6:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={5:0}, t2={6:0}] [L1708] 0 data->shared.a = 0 VAL [t1={5:0}, t2={6:0}] [L1709] 0 data->shared.b = 0 VAL [t1={5:0}, t2={6:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={5:0}, t2={6:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={5:0}, t2={6:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1696] 1 struct device *dev = (struct device*)arg; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 1 struct my_data *data; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1715] 0 return 0; VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1741] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1742] COND TRUE 0 probe_ret==0 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1721] 0 void *status; VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1722] 0 data->shared.a = 3 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1723] 0 data->shared.b = 3 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1724] 0 data->shared.a VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1682] COND TRUE 0 !expression VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1682] 0 __VERIFIER_error() VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 1321 SDtfs, 1537 SDslu, 3748 SDs, 0 SdLazy, 738 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 373 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13885occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 7804 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...