/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-SemanticLooper.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 05:23:58,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 05:23:58,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 05:23:58,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 05:23:58,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 05:23:58,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 05:23:58,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 05:23:58,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 05:23:58,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 05:23:58,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 05:23:58,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 05:23:58,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 05:23:58,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 05:23:58,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 05:23:58,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 05:23:58,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 05:23:58,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 05:23:58,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 05:23:58,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 05:23:58,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 05:23:58,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 05:23:58,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 05:23:58,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 05:23:58,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 05:23:58,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 05:23:58,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 05:23:58,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 05:23:58,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 05:23:58,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 05:23:58,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 05:23:58,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 05:23:58,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 05:23:58,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 05:23:58,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 05:23:58,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 05:23:58,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 05:23:58,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 05:23:58,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 05:23:58,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 05:23:58,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 05:23:58,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 05:23:58,692 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-SemanticLooper.epf [2020-10-16 05:23:58,714 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 05:23:58,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 05:23:58,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 05:23:58,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 05:23:58,716 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 05:23:58,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 05:23:58,717 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 05:23:58,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 05:23:58,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 05:23:58,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 05:23:58,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 05:23:58,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 05:23:58,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 05:23:58,718 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 05:23:58,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 05:23:58,718 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 05:23:58,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 05:23:58,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 05:23:58,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 05:23:58,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 05:23:58,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 05:23:58,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 05:23:58,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 05:23:58,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 05:23:58,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 05:23:58,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 05:23:58,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 05:23:58,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 05:23:58,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 05:23:58,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 05:23:58,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 05:23:59,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 05:23:59,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 05:23:59,004 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 05:23:59,004 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-10-16 05:23:59,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edc7bbdc/6df2a21dd4ba4e0e9ebbd5e85c7a803d/FLAG75cada2c7 [2020-10-16 05:23:59,652 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 05:23:59,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-10-16 05:23:59,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edc7bbdc/6df2a21dd4ba4e0e9ebbd5e85c7a803d/FLAG75cada2c7 [2020-10-16 05:23:59,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edc7bbdc/6df2a21dd4ba4e0e9ebbd5e85c7a803d [2020-10-16 05:23:59,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 05:23:59,827 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 05:23:59,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 05:23:59,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 05:23:59,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 05:23:59,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:23:59" (1/1) ... [2020-10-16 05:23:59,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732d236d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:23:59, skipping insertion in model container [2020-10-16 05:23:59,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:23:59" (1/1) ... [2020-10-16 05:23:59,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 05:23:59,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 05:24:00,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:24:00,614 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 05:24:00,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:24:01,016 INFO L208 MainTranslator]: Completed translation [2020-10-16 05:24:01,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01 WrapperNode [2020-10-16 05:24:01,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 05:24:01,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 05:24:01,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 05:24:01,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 05:24:01,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 05:24:01,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 05:24:01,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 05:24:01,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 05:24:01,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (1/1) ... [2020-10-16 05:24:01,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 05:24:01,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 05:24:01,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 05:24:01,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 05:24:01,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (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 05:24:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 05:24:01,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 05:24:01,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 05:24:01,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 05:24:01,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 05:24:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 05:24:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 05:24:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-16 05:24:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-16 05:24:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 05:24:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 05:24:01,199 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 05:24:01,685 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 05:24:01,685 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-16 05:24:01,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:24:01 BoogieIcfgContainer [2020-10-16 05:24:01,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 05:24:01,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 05:24:01,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 05:24:01,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 05:24:01,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:23:59" (1/3) ... [2020-10-16 05:24:01,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebc6041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:24:01, skipping insertion in model container [2020-10-16 05:24:01,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:24:01" (2/3) ... [2020-10-16 05:24:01,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebc6041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:24:01, skipping insertion in model container [2020-10-16 05:24:01,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:24:01" (3/3) ... [2020-10-16 05:24:01,695 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2020-10-16 05:24:01,706 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 05:24:01,714 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 05:24:01,715 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 05:24:01,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,740 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,740 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,745 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,745 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,746 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:24:01,768 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 05:24:01,788 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 05:24:01,789 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 05:24:01,789 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 05:24:01,789 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 05:24:01,789 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 05:24:01,789 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 05:24:01,789 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 05:24:01,790 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 05:24:01,803 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow [2020-10-16 05:24:01,846 INFO L129 PetriNetUnfolder]: 6/104 cut-off events. [2020-10-16 05:24:01,847 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 05:24:01,853 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-16 05:24:01,854 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 85 transitions, 178 flow [2020-10-16 05:24:01,859 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 75 transitions, 156 flow [2020-10-16 05:24:01,861 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 05:24:01,864 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 75 transitions, 156 flow [2020-10-16 05:24:01,866 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 75 transitions, 156 flow [2020-10-16 05:24:01,867 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 156 flow [2020-10-16 05:24:01,886 INFO L129 PetriNetUnfolder]: 4/90 cut-off events. [2020-10-16 05:24:01,886 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 05:24:01,887 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 90 events. 4/90 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 102 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 55. Up to 4 conditions per place. [2020-10-16 05:24:01,888 INFO L117 LiptonReduction]: Number of co-enabled transitions 238 [2020-10-16 05:24:03,322 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-16 05:24:03,803 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-16 05:24:03,919 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-16 05:24:03,926 INFO L132 LiptonReduction]: Checked pairs total: 234 [2020-10-16 05:24:03,927 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 05:24:03,929 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2069 [2020-10-16 05:24:03,933 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 05:24:03,933 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:24:03,934 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:24:03,934 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 05:24:03,935 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:24:03,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:24:03,945 INFO L82 PathProgramCache]: Analyzing trace with hash 333, now seen corresponding path program 1 times [2020-10-16 05:24:03,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:24:03,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123424003] [2020-10-16 05:24:03,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:24:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:24:04,275 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 05:24:04,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123424003] [2020-10-16 05:24:04,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:24:04,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 05:24:04,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507908329] [2020-10-16 05:24:04,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 05:24:04,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:24:04,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 05:24:04,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 05:24:04,304 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 175 [2020-10-16 05:24:04,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 11 transitions, 28 flow. Second operand 2 states. [2020-10-16 05:24:04,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:24:04,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 175 [2020-10-16 05:24:04,307 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:24:04,313 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2020-10-16 05:24:04,313 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 05:24:04,313 INFO L80 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 7 events. 0/7 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 5 event pairs, 0 based on Foata normal form. 2/8 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-16 05:24:04,314 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 0 selfloop transitions, 0 changer transitions 2/7 dead transitions. [2020-10-16 05:24:04,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 7 transitions, 20 flow [2020-10-16 05:24:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 05:24:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 05:24:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 300 transitions. [2020-10-16 05:24:04,330 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2020-10-16 05:24:04,331 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 300 transitions. [2020-10-16 05:24:04,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 300 transitions. [2020-10-16 05:24:04,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:24:04,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 300 transitions. [2020-10-16 05:24:04,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 05:24:04,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 05:24:04,345 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 05:24:04,348 INFO L185 Difference]: Start difference. First operand has 14 places, 11 transitions, 28 flow. Second operand 2 states and 300 transitions. [2020-10-16 05:24:04,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 7 transitions, 20 flow [2020-10-16 05:24:04,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 7 transitions, 16 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:24:04,352 INFO L241 Difference]: Finished difference. Result has 10 places, 5 transitions, 11 flow [2020-10-16 05:24:04,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=16, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=11, PETRI_PLACES=10, PETRI_TRANSITIONS=5} [2020-10-16 05:24:04,356 INFO L342 CegarLoopForPetriNet]: 14 programPoint places, -4 predicate places. [2020-10-16 05:24:04,356 INFO L481 AbstractCegarLoop]: Abstraction has has 10 places, 5 transitions, 11 flow [2020-10-16 05:24:04,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 05:24:04,356 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:24:04,356 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 05:24:04,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 05:24:04,357 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:24:04,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:24:04,357 INFO L82 PathProgramCache]: Analyzing trace with hash 10102611, now seen corresponding path program 1 times [2020-10-16 05:24:04,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:24:04,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483686176] [2020-10-16 05:24:04,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:24:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:24:04,461 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 05:24:04,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483686176] [2020-10-16 05:24:04,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:24:04,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:24:04,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387030889] [2020-10-16 05:24:04,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:24:04,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:24:04,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:24:04,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:24:04,466 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 175 [2020-10-16 05:24:04,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10 places, 5 transitions, 11 flow. Second operand 3 states. [2020-10-16 05:24:04,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:24:04,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 175 [2020-10-16 05:24:04,467 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:24:04,482 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2020-10-16 05:24:04,483 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:24:04,483 INFO L80 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 7 events. 0/7 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 2/9 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2020-10-16 05:24:04,483 INFO L132 encePairwiseOnDemand]: 172/175 looper letters, 2 selfloop transitions, 2 changer transitions 1/6 dead transitions. [2020-10-16 05:24:04,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 6 transitions, 23 flow [2020-10-16 05:24:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:24:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:24:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2020-10-16 05:24:04,487 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6228571428571429 [2020-10-16 05:24:04,487 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 327 transitions. [2020-10-16 05:24:04,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions. [2020-10-16 05:24:04,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:24:04,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions. [2020-10-16 05:24:04,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:24:04,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:24:04,492 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:24:04,492 INFO L185 Difference]: Start difference. First operand has 10 places, 5 transitions, 11 flow. Second operand 3 states and 327 transitions. [2020-10-16 05:24:04,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 6 transitions, 23 flow [2020-10-16 05:24:04,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 6 transitions, 23 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 05:24:04,493 INFO L241 Difference]: Finished difference. Result has 11 places, 5 transitions, 19 flow [2020-10-16 05:24:04,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=11, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=19, PETRI_PLACES=11, PETRI_TRANSITIONS=5} [2020-10-16 05:24:04,494 INFO L342 CegarLoopForPetriNet]: 14 programPoint places, -3 predicate places. [2020-10-16 05:24:04,494 INFO L481 AbstractCegarLoop]: Abstraction has has 11 places, 5 transitions, 19 flow [2020-10-16 05:24:04,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:24:04,495 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:24:04,495 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 05:24:04,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 05:24:04,495 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:24:04,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:24:04,496 INFO L82 PathProgramCache]: Analyzing trace with hash 313181551, now seen corresponding path program 1 times [2020-10-16 05:24:04,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:24:04,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514571194] [2020-10-16 05:24:04,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:24:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 05:24:04,541 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 05:24:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 05:24:04,559 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 05:24:04,583 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 05:24:04,583 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 05:24:04,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 05:24:04,587 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 05:24:04,591 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [299] [299] ULTIMATE.startENTRY-->L1696: Formula: (let ((.cse1 (store |#valid_In1496526167| 0 0))) (let ((.cse2 (store .cse1 |~#t1~0.base_Out1496526167| 1)) (.cse0 (select |#memory_int_In1496526167| |~#mutex~0.base_Out1496526167|))) (and (< |#StackHeapBarrier_In1496526167| |~#t1~0.base_Out1496526167|) (<= |ULTIMATE.start_module_init_#t~nondet31_Out1496526167| 2147483647) (= |#NULL.base_Out1496526167| 0) (= (select .cse0 (+ |~#mutex~0.offset_Out1496526167| 12)) 0) (< 0 |#StackHeapBarrier_In1496526167|) (= |~#t1~0.offset_Out1496526167| 0) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet31_Out1496526167| 2147483648)) (= |ULTIMATE.start_ldv_assert_#in~expression_Out1496526167| ULTIMATE.start_ldv_assert_~expression_Out1496526167) (= (select .cse0 |~#mutex~0.offset_Out1496526167|) 0) (= |#length_Out1496526167| (store (store |#length_In1496526167| |~#t1~0.base_Out1496526167| 4) |~#mutex~0.base_Out1496526167| 24)) (= (select .cse1 |~#t1~0.base_Out1496526167|) 0) (= (select .cse0 (+ |~#mutex~0.offset_Out1496526167| 8)) 0) (= (select .cse2 |~#mutex~0.base_Out1496526167|) 0) (= (store |#pthreadsMutex_In1496526167| |~#mutex~0.base_Out1496526167| (store (select |#pthreadsMutex_In1496526167| |~#mutex~0.base_Out1496526167|) |~#mutex~0.offset_Out1496526167| 0)) |#pthreadsMutex_Out1496526167|) (= ~pdev~0_Out1496526167 1) (= (select .cse0 (+ |~#mutex~0.offset_Out1496526167| 16)) 0) (< |#StackHeapBarrier_In1496526167| |~#mutex~0.base_Out1496526167|) (= (select (select |#memory_int_In1496526167| |~#t1~0.base_Out1496526167|) |~#t1~0.offset_Out1496526167|) 0) (= |~#mutex~0.offset_Out1496526167| 0) (= |#valid_Out1496526167| (store .cse2 |~#mutex~0.base_Out1496526167| 1)) (= |#NULL.offset_Out1496526167| 0) (= (select .cse0 (+ |~#mutex~0.offset_Out1496526167| 4)) 0) (= |ULTIMATE.start_ldv_assert_#in~expression_Out1496526167| 1)))) InVars {#pthreadsMutex=|#pthreadsMutex_In1496526167|, #StackHeapBarrier=|#StackHeapBarrier_In1496526167|, #valid=|#valid_In1496526167|, #memory_int=|#memory_int_In1496526167|, #length=|#length_In1496526167|} OutVars{ULTIMATE.start_module_init_#res=|ULTIMATE.start_module_init_#res_Out1496526167|, #pthreadsMutex=|#pthreadsMutex_Out1496526167|, ~#mutex~0.base=|~#mutex~0.base_Out1496526167|, ~#mutex~0.offset=|~#mutex~0.offset_Out1496526167|, #NULL.offset=|#NULL.offset_Out1496526167|, ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_Out1496526167|, ~#t1~0.offset=|~#t1~0.offset_Out1496526167|, ULTIMATE.start_module_init_#t~nondet32=|ULTIMATE.start_module_init_#t~nondet32_Out1496526167|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out1496526167|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1496526167, #NULL.base=|#NULL.base_Out1496526167|, #StackHeapBarrier=|#StackHeapBarrier_In1496526167|, ~#t1~0.base=|~#t1~0.base_Out1496526167|, ULTIMATE.start_main_#t~ret35=|ULTIMATE.start_main_#t~ret35_Out1496526167|, ~pdev~0=~pdev~0_Out1496526167, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out1496526167|, #valid=|#valid_Out1496526167|, #memory_int=|#memory_int_In1496526167|, #length=|#length_Out1496526167|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ULTIMATE.start_module_init_#t~nondet31, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #length] because there is no mapped edge [2020-10-16 05:24:04,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:24:04 BasicIcfg [2020-10-16 05:24:04,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 05:24:04,612 INFO L168 Benchmark]: Toolchain (without parser) took 4784.74 ms. Allocated memory was 252.2 MB in the beginning and 428.3 MB in the end (delta: 176.2 MB). Free memory was 205.0 MB in the beginning and 355.1 MB in the end (delta: -150.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 14.2 GB. [2020-10-16 05:24:04,613 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 05:24:04,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1189.69 ms. Allocated memory was 252.2 MB in the beginning and 357.6 MB in the end (delta: 105.4 MB). Free memory was 205.0 MB in the beginning and 320.8 MB in the end (delta: -115.8 MB). Peak memory consumption was 109.4 MB. Max. memory is 14.2 GB. [2020-10-16 05:24:04,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.01 ms. Allocated memory is still 357.6 MB. Free memory is still 320.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 05:24:04,615 INFO L168 Benchmark]: Boogie Preprocessor took 54.02 ms. Allocated memory is still 357.6 MB. Free memory was 320.8 MB in the beginning and 317.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.2 GB. [2020-10-16 05:24:04,616 INFO L168 Benchmark]: RCFGBuilder took 550.00 ms. Allocated memory is still 357.6 MB. Free memory was 317.5 MB in the beginning and 278.3 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 14.2 GB. [2020-10-16 05:24:04,617 INFO L168 Benchmark]: TraceAbstraction took 2921.66 ms. Allocated memory was 357.6 MB in the beginning and 428.3 MB in the end (delta: 70.8 MB). Free memory was 278.3 MB in the beginning and 355.1 MB in the end (delta: -76.8 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 05:24:04,621 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 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1189.69 ms. Allocated memory was 252.2 MB in the beginning and 357.6 MB in the end (delta: 105.4 MB). Free memory was 205.0 MB in the beginning and 320.8 MB in the end (delta: -115.8 MB). Peak memory consumption was 109.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.01 ms. Allocated memory is still 357.6 MB. Free memory is still 320.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 54.02 ms. Allocated memory is still 357.6 MB. Free memory was 320.8 MB in the beginning and 317.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.2 GB. * RCFGBuilder took 550.00 ms. Allocated memory is still 357.6 MB. Free memory was 317.5 MB in the beginning and 278.3 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2921.66 ms. Allocated memory was 357.6 MB in the beginning and 428.3 MB in the end (delta: 70.8 MB). Free memory was 278.3 MB in the beginning and 355.1 MB in the end (delta: -76.8 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 158 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 7 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.0s, 75 PlacesBefore, 14 PlacesAfterwards, 75 TransitionsBefore, 11 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 90 TotalNumberOfCompositions, 234 MoverChecksTotal - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1696] COND TRUE 0 __VERIFIER_nondet_int() [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={5:0}] [L1698] 0 return 0; [L1715] COND FALSE 0 !(module_init()!=0) [L1706] 0 void *status; [L1707] 0 pdev = 4 VAL [arg={0:0}, mutex={3:0}, pdev=4, t1={5:0}] [L1688] 1 pdev = 6 [L1690] 1 return 0; [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 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: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...