/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 00:48:29,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 00:48:29,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 00:48:29,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 00:48:29,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 00:48:29,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 00:48:29,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 00:48:29,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 00:48:29,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 00:48:29,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 00:48:29,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 00:48:29,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 00:48:29,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 00:48:29,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 00:48:29,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 00:48:29,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 00:48:29,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 00:48:29,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 00:48:29,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 00:48:29,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 00:48:29,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 00:48:29,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 00:48:29,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 00:48:29,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 00:48:29,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 00:48:29,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 00:48:29,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 00:48:29,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 00:48:29,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 00:48:29,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 00:48:29,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 00:48:29,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 00:48:29,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 00:48:29,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 00:48:29,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 00:48:29,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 00:48:29,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2019-12-27 00:48:29,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 00:48:29,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 00:48:29,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 00:48:29,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 00:48:29,968 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 00:48:29,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 00:48:29,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 00:48:29,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 00:48:29,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 00:48:29,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 00:48:29,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 00:48:29,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 00:48:29,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 00:48:29,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 00:48:29,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 00:48:29,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 00:48:29,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 00:48:29,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 00:48:29,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 00:48:29,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 00:48:29,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 00:48:29,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 00:48:29,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 00:48:29,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 00:48:29,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 00:48:29,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 00:48:29,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 00:48:29,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 00:48:29,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 00:48:30,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 00:48:30,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 00:48:30,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 00:48:30,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 00:48:30,304 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 00:48:30,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2019-12-27 00:48:30,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24a309518/6625f49ed68544459e9ee57076d6e3d9/FLAGf8f0679a8 [2019-12-27 00:48:30,949 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 00:48:30,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2019-12-27 00:48:30,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24a309518/6625f49ed68544459e9ee57076d6e3d9/FLAGf8f0679a8 [2019-12-27 00:48:31,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24a309518/6625f49ed68544459e9ee57076d6e3d9 [2019-12-27 00:48:31,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 00:48:31,195 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 00:48:31,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 00:48:31,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 00:48:31,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 00:48:31,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:31,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753144ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31, skipping insertion in model container [2019-12-27 00:48:31,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:31,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 00:48:31,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 00:48:31,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 00:48:31,791 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 00:48:31,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 00:48:31,927 INFO L208 MainTranslator]: Completed translation [2019-12-27 00:48:31,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31 WrapperNode [2019-12-27 00:48:31,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 00:48:31,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 00:48:31,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 00:48:31,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 00:48:31,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:31,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:31,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 00:48:31,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 00:48:31,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 00:48:31,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 00:48:31,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:31,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:31,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:31,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:31,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:32,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:32,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (1/1) ... [2019-12-27 00:48:32,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 00:48:32,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 00:48:32,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 00:48:32,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 00:48:32,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (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 [2019-12-27 00:48:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2019-12-27 00:48:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2019-12-27 00:48:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 00:48:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2019-12-27 00:48:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2019-12-27 00:48:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 00:48:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 00:48:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 00:48:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 00:48:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 00:48:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 00:48:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 00:48:32,071 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 00:48:32,464 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 00:48:32,465 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-27 00:48:32,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:48:32 BoogieIcfgContainer [2019-12-27 00:48:32,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 00:48:32,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 00:48:32,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 00:48:32,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 00:48:32,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 12:48:31" (1/3) ... [2019-12-27 00:48:32,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1215b2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:48:32, skipping insertion in model container [2019-12-27 00:48:32,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:48:31" (2/3) ... [2019-12-27 00:48:32,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1215b2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:48:32, skipping insertion in model container [2019-12-27 00:48:32,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:48:32" (3/3) ... [2019-12-27 00:48:32,480 INFO L109 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2019-12-27 00:48:32,490 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 00:48:32,490 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 00:48:32,497 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 00:48:32,498 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 00:48:32,532 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,532 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,532 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,533 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,533 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,534 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,534 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,534 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,535 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,535 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,536 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,536 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,537 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,537 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,537 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,537 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,538 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,538 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,542 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,543 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,543 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,543 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,543 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,544 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,549 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,549 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,550 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,550 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,550 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:48:32,573 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 00:48:32,593 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:48:32,594 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:48:32,594 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:48:32,594 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:48:32,594 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:48:32,594 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:48:32,595 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:48:32,595 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:48:32,610 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 79 transitions [2019-12-27 00:48:32,612 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions [2019-12-27 00:48:32,663 INFO L132 PetriNetUnfolder]: 5/79 cut-off events. [2019-12-27 00:48:32,664 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 00:48:32,669 INFO L76 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 79 events. 5/79 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs. 0/73 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2019-12-27 00:48:32,673 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions [2019-12-27 00:48:32,696 INFO L132 PetriNetUnfolder]: 5/79 cut-off events. [2019-12-27 00:48:32,696 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 00:48:32,697 INFO L76 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 79 events. 5/79 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs. 0/73 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2019-12-27 00:48:32,700 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 886 [2019-12-27 00:48:32,701 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:48:34,695 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-12-27 00:48:35,241 WARN L192 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-12-27 00:48:35,426 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-27 00:48:35,442 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2175 [2019-12-27 00:48:35,443 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2019-12-27 00:48:35,446 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 32 transitions [2019-12-27 00:48:35,464 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 197 states. [2019-12-27 00:48:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2019-12-27 00:48:35,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-27 00:48:35,473 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:48:35,473 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-27 00:48:35,474 INFO L410 AbstractCegarLoop]: === Iteration 1 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:48:35,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:48:35,480 INFO L82 PathProgramCache]: Analyzing trace with hash 281465562, now seen corresponding path program 1 times [2019-12-27 00:48:35,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:48:35,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128535943] [2019-12-27 00:48:35,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:48:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:48:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:48:35,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128535943] [2019-12-27 00:48:35,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:48:35,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:48:35,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534080458] [2019-12-27 00:48:35,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:48:35,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:48:35,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:48:35,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:48:35,720 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 3 states. [2019-12-27 00:48:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:48:35,754 INFO L93 Difference]: Finished difference Result 197 states and 434 transitions. [2019-12-27 00:48:35,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:48:35,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-27 00:48:35,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:48:35,770 INFO L225 Difference]: With dead ends: 197 [2019-12-27 00:48:35,770 INFO L226 Difference]: Without dead ends: 167 [2019-12-27 00:48:35,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:48:35,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-12-27 00:48:35,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2019-12-27 00:48:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-12-27 00:48:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 363 transitions. [2019-12-27 00:48:35,843 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 363 transitions. Word has length 5 [2019-12-27 00:48:35,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:48:35,843 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 363 transitions. [2019-12-27 00:48:35,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:48:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 363 transitions. [2019-12-27 00:48:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 00:48:35,845 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:48:35,845 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:48:35,845 INFO L410 AbstractCegarLoop]: === Iteration 2 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:48:35,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:48:35,846 INFO L82 PathProgramCache]: Analyzing trace with hash -103168699, now seen corresponding path program 1 times [2019-12-27 00:48:35,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:48:35,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842353870] [2019-12-27 00:48:35,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:48:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:48:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:48:35,926 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842353870] [2019-12-27 00:48:35,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:48:35,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:48:35,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044458356] [2019-12-27 00:48:35,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:48:35,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:48:35,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:48:35,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:48:35,929 INFO L87 Difference]: Start difference. First operand 167 states and 363 transitions. Second operand 3 states. [2019-12-27 00:48:35,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:48:35,974 INFO L93 Difference]: Finished difference Result 182 states and 370 transitions. [2019-12-27 00:48:35,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:48:35,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 00:48:35,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:48:35,980 INFO L225 Difference]: With dead ends: 182 [2019-12-27 00:48:35,981 INFO L226 Difference]: Without dead ends: 157 [2019-12-27 00:48:35,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:48:35,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-12-27 00:48:36,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 143. [2019-12-27 00:48:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-12-27 00:48:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 302 transitions. [2019-12-27 00:48:36,005 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 302 transitions. Word has length 7 [2019-12-27 00:48:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:48:36,006 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 302 transitions. [2019-12-27 00:48:36,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:48:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 302 transitions. [2019-12-27 00:48:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 00:48:36,007 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:48:36,008 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:48:36,008 INFO L410 AbstractCegarLoop]: === Iteration 3 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:48:36,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:48:36,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1359574638, now seen corresponding path program 1 times [2019-12-27 00:48:36,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:48:36,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702366805] [2019-12-27 00:48:36,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:48:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:48:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:48:36,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702366805] [2019-12-27 00:48:36,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:48:36,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:48:36,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750461435] [2019-12-27 00:48:36,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:48:36,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:48:36,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:48:36,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:48:36,072 INFO L87 Difference]: Start difference. First operand 143 states and 302 transitions. Second operand 3 states. [2019-12-27 00:48:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:48:36,099 INFO L93 Difference]: Finished difference Result 138 states and 278 transitions. [2019-12-27 00:48:36,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:48:36,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 00:48:36,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:48:36,102 INFO L225 Difference]: With dead ends: 138 [2019-12-27 00:48:36,103 INFO L226 Difference]: Without dead ends: 84 [2019-12-27 00:48:36,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:48:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-12-27 00:48:36,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-12-27 00:48:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-12-27 00:48:36,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 151 transitions. [2019-12-27 00:48:36,112 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 151 transitions. Word has length 8 [2019-12-27 00:48:36,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:48:36,113 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 151 transitions. [2019-12-27 00:48:36,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:48:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2019-12-27 00:48:36,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 00:48:36,114 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:48:36,114 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:48:36,114 INFO L410 AbstractCegarLoop]: === Iteration 4 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:48:36,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:48:36,115 INFO L82 PathProgramCache]: Analyzing trace with hash -600337334, now seen corresponding path program 1 times [2019-12-27 00:48:36,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:48:36,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096871515] [2019-12-27 00:48:36,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:48:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:48:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:48:36,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096871515] [2019-12-27 00:48:36,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:48:36,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 00:48:36,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745789695] [2019-12-27 00:48:36,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:48:36,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:48:36,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:48:36,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:48:36,161 INFO L87 Difference]: Start difference. First operand 84 states and 151 transitions. Second operand 3 states. [2019-12-27 00:48:36,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:48:36,170 INFO L93 Difference]: Finished difference Result 84 states and 145 transitions. [2019-12-27 00:48:36,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:48:36,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 00:48:36,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:48:36,171 INFO L225 Difference]: With dead ends: 84 [2019-12-27 00:48:36,171 INFO L226 Difference]: Without dead ends: 72 [2019-12-27 00:48:36,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:48:36,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-12-27 00:48:36,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-12-27 00:48:36,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-27 00:48:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 124 transitions. [2019-12-27 00:48:36,177 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 124 transitions. Word has length 12 [2019-12-27 00:48:36,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:48:36,177 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 124 transitions. [2019-12-27 00:48:36,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:48:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2019-12-27 00:48:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 00:48:36,178 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:48:36,178 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:48:36,179 INFO L410 AbstractCegarLoop]: === Iteration 5 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:48:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:48:36,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1468459522, now seen corresponding path program 1 times [2019-12-27 00:48:36,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:48:36,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655178965] [2019-12-27 00:48:36,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:48:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:48:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:48:36,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655178965] [2019-12-27 00:48:36,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:48:36,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 00:48:36,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734053408] [2019-12-27 00:48:36,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:48:36,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:48:36,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:48:36,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:48:36,250 INFO L87 Difference]: Start difference. First operand 72 states and 124 transitions. Second operand 4 states. [2019-12-27 00:48:36,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:48:36,274 INFO L93 Difference]: Finished difference Result 22 states and 35 transitions. [2019-12-27 00:48:36,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 00:48:36,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-27 00:48:36,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:48:36,275 INFO L225 Difference]: With dead ends: 22 [2019-12-27 00:48:36,275 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 00:48:36,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 00:48:36,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 00:48:36,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 00:48:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 00:48:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 00:48:36,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-12-27 00:48:36,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:48:36,280 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 00:48:36,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:48:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 00:48:36,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 00:48:36,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 12:48:36 BasicIcfg [2019-12-27 00:48:36,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 00:48:36,289 INFO L168 Benchmark]: Toolchain (without parser) took 5092.48 ms. Allocated memory was 144.7 MB in the beginning and 248.5 MB in the end (delta: 103.8 MB). Free memory was 100.5 MB in the beginning and 146.8 MB in the end (delta: -46.3 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. [2019-12-27 00:48:36,290 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-27 00:48:36,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.97 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 100.1 MB in the beginning and 161.1 MB in the end (delta: -61.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-12-27 00:48:36,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.03 ms. Allocated memory is still 201.9 MB. Free memory was 161.1 MB in the beginning and 159.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 00:48:36,296 INFO L168 Benchmark]: Boogie Preprocessor took 24.82 ms. Allocated memory is still 201.9 MB. Free memory was 159.1 MB in the beginning and 157.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 00:48:36,296 INFO L168 Benchmark]: RCFGBuilder took 460.34 ms. Allocated memory is still 201.9 MB. Free memory was 157.1 MB in the beginning and 134.1 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-12-27 00:48:36,298 INFO L168 Benchmark]: TraceAbstraction took 3815.01 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 133.4 MB in the beginning and 146.8 MB in the end (delta: -13.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2019-12-27 00:48:36,306 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.97 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 100.1 MB in the beginning and 161.1 MB in the end (delta: -61.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.03 ms. Allocated memory is still 201.9 MB. Free memory was 161.1 MB in the beginning and 159.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.82 ms. Allocated memory is still 201.9 MB. Free memory was 159.1 MB in the beginning and 157.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 460.34 ms. Allocated memory is still 201.9 MB. Free memory was 157.1 MB in the beginning and 134.1 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3815.01 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 133.4 MB in the beginning and 146.8 MB in the end (delta: -13.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.8s, 80 ProgramPointsBefore, 33 ProgramPointsAfterwards, 79 TransitionsBefore, 32 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 446 VarBasedMoverChecksPositive, 67 VarBasedMoverChecksNegative, 57 SemBasedMoverChecksPositive, 38 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 2175 CheckedPairsTotal, 58 TotalNumberOfCompositions - PositiveResult [Line: 688]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 2 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 125 SDtfs, 69 SDslu, 59 SDs, 0 SdLazy, 20 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 723 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...