/usr/bin/java -Xmx16000000000 -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-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:47:57,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:47:57,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:47:57,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:47:57,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:47:57,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:47:57,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:47:57,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:47:57,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:47:57,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:47:57,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:47:57,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:47:57,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:47:57,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:47:57,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:47:57,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:47:57,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:47:57,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:47:57,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:47:57,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:47:57,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:47:57,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:47:57,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:47:57,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:47:57,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 01:47:57,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:47:57,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:47:57,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:47:57,704 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-PN-SemanticLbe.epf [2020-10-16 01:47:57,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:47:57,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:47:57,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:47:57,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:47:57,742 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:47:57,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:47:57,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:47:57,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:47:57,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:47:57,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:47:57,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:47:57,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:47:57,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:47:57,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:47:57,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:47:57,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:47:57,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:47:57,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:47:57,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:47:57,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:47:57,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:47:57,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:47:57,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:47:57,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:47:57,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:47:57,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:47:57,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:47:57,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:47:57,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:47:58,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:47:58,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:47:58,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:47:58,093 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:47:58,094 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:47:58,094 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2020-10-16 01:47:58,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d727c081a/f6caa16e23dc4980841becf29a137f29/FLAG95c28181d [2020-10-16 01:47:58,692 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:47:58,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2020-10-16 01:47:58,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d727c081a/f6caa16e23dc4980841becf29a137f29/FLAG95c28181d [2020-10-16 01:47:58,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d727c081a/f6caa16e23dc4980841becf29a137f29 [2020-10-16 01:47:59,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:47:59,009 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:47:59,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:47:59,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:47:59,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:47:59,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:47:58" (1/1) ... [2020-10-16 01:47:59,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10313679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59, skipping insertion in model container [2020-10-16 01:47:59,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:47:58" (1/1) ... [2020-10-16 01:47:59,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:47:59,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:47:59,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:47:59,627 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:47:59,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:47:59,790 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:47:59,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59 WrapperNode [2020-10-16 01:47:59,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:47:59,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:47:59,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:47:59,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:47:59,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:47:59,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:47:59,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:47:59,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:47:59,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (1/1) ... [2020-10-16 01:47:59,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:47:59,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:47:59,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:47:59,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:47:59,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (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 [2020-10-16 01:47:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 01:47:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 01:47:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 01:47:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 01:47:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:47:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:47:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:47:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:47:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:47:59,958 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 01:48:00,337 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:48:00,337 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-16 01:48:00,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:48:00 BoogieIcfgContainer [2020-10-16 01:48:00,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:48:00,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:48:00,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:48:00,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:48:00,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:47:58" (1/3) ... [2020-10-16 01:48:00,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fb75cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:48:00, skipping insertion in model container [2020-10-16 01:48:00,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:47:59" (2/3) ... [2020-10-16 01:48:00,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fb75cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:48:00, skipping insertion in model container [2020-10-16 01:48:00,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:48:00" (3/3) ... [2020-10-16 01:48:00,348 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013_variant-2.i [2020-10-16 01:48:00,359 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:48:00,366 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 01:48:00,367 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:48:00,392 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,392 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,393 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,393 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,393 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,393 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,394 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,394 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,394 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,401 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,402 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,402 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,402 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:48:00,426 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 01:48:00,446 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:48:00,446 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:48:00,446 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:48:00,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:48:00,447 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:48:00,447 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:48:00,447 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:48:00,447 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:48:00,459 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 132 flow [2020-10-16 01:48:00,502 INFO L129 PetriNetUnfolder]: 4/71 cut-off events. [2020-10-16 01:48:00,503 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:48:00,508 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 71 events. 4/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 94 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 50. Up to 4 conditions per place. [2020-10-16 01:48:00,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 61 transitions, 132 flow [2020-10-16 01:48:00,514 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 63 places, 60 transitions, 128 flow [2020-10-16 01:48:00,516 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:48:00,519 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 60 transitions, 128 flow [2020-10-16 01:48:00,521 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 60 transitions, 128 flow [2020-10-16 01:48:00,521 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 63 places, 60 transitions, 128 flow [2020-10-16 01:48:00,541 INFO L129 PetriNetUnfolder]: 4/71 cut-off events. [2020-10-16 01:48:00,541 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:48:00,542 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 71 events. 4/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 97 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 50. Up to 4 conditions per place. [2020-10-16 01:48:00,545 INFO L117 LiptonReduction]: Number of co-enabled transitions 692 [2020-10-16 01:48:01,695 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-16 01:48:02,241 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-10-16 01:48:02,344 INFO L132 LiptonReduction]: Checked pairs total: 623 [2020-10-16 01:48:02,344 INFO L134 LiptonReduction]: Total number of compositions: 61 [2020-10-16 01:48:02,347 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1832 [2020-10-16 01:48:02,353 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 01:48:02,353 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:48:02,353 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:48:02,354 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 01:48:02,355 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 01:48:02,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:48:02,361 INFO L82 PathProgramCache]: Analyzing trace with hash 245288, now seen corresponding path program 1 times [2020-10-16 01:48:02,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:48:02,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654217911] [2020-10-16 01:48:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:48:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:48:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:48:02,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654217911] [2020-10-16 01:48:02,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:48:02,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:48:02,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797197942] [2020-10-16 01:48:02,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:48:02,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:48:02,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:48:02,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:48:02,589 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 122 [2020-10-16 01:48:02,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states. [2020-10-16 01:48:02,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:48:02,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 122 [2020-10-16 01:48:02,594 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:48:02,635 INFO L129 PetriNetUnfolder]: 13/37 cut-off events. [2020-10-16 01:48:02,635 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:48:02,635 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 37 events. 13/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 98 event pairs, 4 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 69. Up to 19 conditions per place. [2020-10-16 01:48:02,637 INFO L132 encePairwiseOnDemand]: 119/122 looper letters, 7 selfloop transitions, 2 changer transitions 0/14 dead transitions. [2020-10-16 01:48:02,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 54 flow [2020-10-16 01:48:02,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:48:02,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:48:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2020-10-16 01:48:02,655 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6174863387978142 [2020-10-16 01:48:02,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 226 transitions. [2020-10-16 01:48:02,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 226 transitions. [2020-10-16 01:48:02,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:48:02,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 226 transitions. [2020-10-16 01:48:02,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:48:02,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:48:02,672 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:48:02,674 INFO L185 Difference]: Start difference. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states and 226 transitions. [2020-10-16 01:48:02,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 54 flow [2020-10-16 01:48:02,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 53 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 01:48:02,681 INFO L241 Difference]: Finished difference. Result has 19 places, 11 transitions, 37 flow [2020-10-16 01:48:02,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=19, PETRI_TRANSITIONS=11} [2020-10-16 01:48:02,685 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 2 predicate places. [2020-10-16 01:48:02,685 INFO L481 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 37 flow [2020-10-16 01:48:02,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:48:02,686 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:48:02,686 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:48:02,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:48:02,686 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 01:48:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:48:02,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1115035197, now seen corresponding path program 1 times [2020-10-16 01:48:02,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:48:02,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486396373] [2020-10-16 01:48:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:48:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:48:02,718 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:48:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:48:02,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:48:02,762 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:48:02,763 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:48:02,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:48:02,764 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 01:48:02,769 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [219] [219] ULTIMATE.startENTRY-->L704: Formula: (let ((.cse0 (store |#valid_In1269794487| 0 0))) (let ((.cse1 (store .cse0 |ULTIMATE.start_main_~#t1~0.base_Out1269794487| 1))) (and (= |ULTIMATE.start_#in~argv.base_In1269794487| |ULTIMATE.start_main_#in~argv.base_Out1269794487|) (= ~x~0_Out1269794487 0) (= |ULTIMATE.start_main_#in~argc_Out1269794487| ULTIMATE.start_main_~argc_Out1269794487) (<= ~n~0_Out1269794487 2147483647) (= |ULTIMATE.start_main_~#t2~0.offset_Out1269794487| 0) (= |#NULL.base_Out1269794487| 0) (= |#NULL.offset_Out1269794487| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_Out1269794487| 1) (= (select .cse0 |ULTIMATE.start_main_~#t1~0.base_Out1269794487|) 0) (< |#StackHeapBarrier_In1269794487| |ULTIMATE.start_main_~#t2~0.base_Out1269794487|) (= |ULTIMATE.start_main_~#t1~0.offset_Out1269794487| 0) (= |ULTIMATE.start_main_#in~argv.base_Out1269794487| ULTIMATE.start_main_~argv.base_Out1269794487) (< 0 ~n~0_Out1269794487) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1269794487 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out1269794487|) (= (store (store |#length_In1269794487| |ULTIMATE.start_main_~#t1~0.base_Out1269794487| 4) |ULTIMATE.start_main_~#t2~0.base_Out1269794487| 4) |#length_Out1269794487|) (< 0 |#StackHeapBarrier_In1269794487|) (< |#StackHeapBarrier_In1269794487| |ULTIMATE.start_main_~#t1~0.base_Out1269794487|) (= (select .cse1 |ULTIMATE.start_main_~#t2~0.base_Out1269794487|) 0) (= |ULTIMATE.start_main_#in~argv.offset_Out1269794487| ULTIMATE.start_main_~argv.offset_Out1269794487) (= |ULTIMATE.start_#in~argc_In1269794487| |ULTIMATE.start_main_#in~argc_Out1269794487|) (= |#valid_Out1269794487| (store .cse1 |ULTIMATE.start_main_~#t2~0.base_Out1269794487| 1)) (= |#memory_int_Out1269794487| (store |#memory_int_In1269794487| |ULTIMATE.start_main_~#t1~0.base_Out1269794487| (store (select |#memory_int_In1269794487| |ULTIMATE.start_main_~#t1~0.base_Out1269794487|) |ULTIMATE.start_main_~#t1~0.offset_Out1269794487| 0))) (= |ULTIMATE.start_main_#in~argv.offset_Out1269794487| |ULTIMATE.start_#in~argv.offset_In1269794487|)))) InVars {#StackHeapBarrier=|#StackHeapBarrier_In1269794487|, #valid=|#valid_In1269794487|, #memory_int=|#memory_int_In1269794487|, #length=|#length_In1269794487|, ULTIMATE.start_#in~argc=|ULTIMATE.start_#in~argc_In1269794487|, ULTIMATE.start_#in~argv.offset=|ULTIMATE.start_#in~argv.offset_In1269794487|, ULTIMATE.start_#in~argv.base=|ULTIMATE.start_#in~argv.base_In1269794487|} OutVars{ULTIMATE.start_main_~argv.offset=ULTIMATE.start_main_~argv.offset_Out1269794487, ULTIMATE.start_main_#t~nondet5=|ULTIMATE.start_main_#t~nondet5_Out1269794487|, ULTIMATE.start_main_#t~nondet2=|ULTIMATE.start_main_#t~nondet2_Out1269794487|, ULTIMATE.start_main_#t~nondet3=|ULTIMATE.start_main_#t~nondet3_Out1269794487|, #NULL.offset=|#NULL.offset_Out1269794487|, ULTIMATE.start_#in~argv.offset=|ULTIMATE.start_#in~argv.offset_In1269794487|, ULTIMATE.start_main_#t~post4=|ULTIMATE.start_main_#t~post4_Out1269794487|, ULTIMATE.start_main_~argv.base=ULTIMATE.start_main_~argv.base_Out1269794487, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1269794487, ULTIMATE.start_main_~argc=ULTIMATE.start_main_~argc_Out1269794487, #length=|#length_Out1269794487|, ULTIMATE.start_#in~argc=|ULTIMATE.start_#in~argc_In1269794487|, ULTIMATE.start_main_~#t2~0.base=|ULTIMATE.start_main_~#t2~0.base_Out1269794487|, ULTIMATE.start_#in~argv.base=|ULTIMATE.start_#in~argv.base_In1269794487|, ULTIMATE.start_main_#in~argv.base=|ULTIMATE.start_main_#in~argv.base_Out1269794487|, ULTIMATE.start_main_#in~argv.offset=|ULTIMATE.start_main_#in~argv.offset_Out1269794487|, ULTIMATE.start_main_~#t2~0.offset=|ULTIMATE.start_main_~#t2~0.offset_Out1269794487|, ULTIMATE.start_main_~i~0=ULTIMATE.start_main_~i~0_Out1269794487, #NULL.base=|#NULL.base_Out1269794487|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out1269794487|, ULTIMATE.start_main_~#t1~0.base=|ULTIMATE.start_main_~#t1~0.base_Out1269794487|, #StackHeapBarrier=|#StackHeapBarrier_In1269794487|, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out1269794487|, #valid=|#valid_Out1269794487|, ULTIMATE.start_main_#in~argc=|ULTIMATE.start_main_#in~argc_Out1269794487|, #memory_int=|#memory_int_Out1269794487|, ~n~0=~n~0_Out1269794487, ~x~0=~x~0_Out1269794487, ULTIMATE.start_main_~#t1~0.offset=|ULTIMATE.start_main_~#t1~0.offset_Out1269794487|} AuxVars[] AssignedVars[ULTIMATE.start_main_~argv.offset, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_#t~post4, ULTIMATE.start_main_~argv.base, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_~argc, #length, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_#in~argv.base, ULTIMATE.start_main_#in~argv.offset, ULTIMATE.start_main_~#t2~0.offset, ULTIMATE.start_main_~i~0, #NULL.base, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#in~argc, #memory_int, ~n~0, ~x~0, ULTIMATE.start_main_~#t1~0.offset] because there is no mapped edge [2020-10-16 01:48:02,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:48:02 BasicIcfg [2020-10-16 01:48:02,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:48:02,796 INFO L168 Benchmark]: Toolchain (without parser) took 3787.00 ms. Allocated memory was 250.1 MB in the beginning and 363.9 MB in the end (delta: 113.8 MB). Free memory was 205.6 MB in the beginning and 300.2 MB in the end (delta: -94.5 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.2 GB. [2020-10-16 01:48:02,796 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:48:02,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.20 ms. Allocated memory was 250.1 MB in the beginning and 306.2 MB in the end (delta: 56.1 MB). Free memory was 205.6 MB in the beginning and 261.5 MB in the end (delta: -55.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 14.2 GB. [2020-10-16 01:48:02,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.55 ms. Allocated memory is still 306.2 MB. Free memory was 261.5 MB in the beginning and 259.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:48:02,799 INFO L168 Benchmark]: Boogie Preprocessor took 24.69 ms. Allocated memory is still 306.2 MB. Free memory is still 259.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:48:02,800 INFO L168 Benchmark]: RCFGBuilder took 445.48 ms. Allocated memory is still 306.2 MB. Free memory was 259.0 MB in the beginning and 237.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 14.2 GB. [2020-10-16 01:48:02,801 INFO L168 Benchmark]: TraceAbstraction took 2453.29 ms. Allocated memory was 306.2 MB in the beginning and 363.9 MB in the end (delta: 57.7 MB). Free memory was 237.2 MB in the beginning and 300.2 MB in the end (delta: -63.0 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:48:02,805 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 782.20 ms. Allocated memory was 250.1 MB in the beginning and 306.2 MB in the end (delta: 56.1 MB). Free memory was 205.6 MB in the beginning and 261.5 MB in the end (delta: -55.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 75.55 ms. Allocated memory is still 306.2 MB. Free memory was 261.5 MB in the beginning and 259.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 24.69 ms. Allocated memory is still 306.2 MB. Free memory is still 259.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 445.48 ms. Allocated memory is still 306.2 MB. Free memory was 259.0 MB in the beginning and 237.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2453.29 ms. Allocated memory was 306.2 MB in the beginning and 363.9 MB in the end (delta: 57.7 MB). Free memory was 237.2 MB in the beginning and 300.2 MB in the end (delta: -63.0 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 475 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 3 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.8s, 63 PlacesBefore, 17 PlacesAfterwards, 60 TransitionsBefore, 11 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 5 ConcurrentYvCompositions, 3 ChoiceCompositions, 61 TotalNumberOfCompositions, 623 MoverChecksTotal - CounterExampleResult [Line: 679]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L704] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [n=1, x=0] [L705] 0 i = 0 VAL [n=1, x=0] [L705] COND TRUE 0 i < n [L706] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [arg={0:0}, n=1, x=0] [L693] 2 int t; [L694] 2 t = x [L695] 2 x = t + 1 [L696] 2 return 0; [L678] COND TRUE 1 !(cond) [L679] 1 __VERIFIER_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, n=1, t=0, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 2 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...