/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:12:59,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:12:59,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:12:59,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:12:59,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:12:59,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:12:59,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:12:59,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:12:59,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:12:59,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:12:59,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:12:59,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:12:59,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:12:59,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:12:59,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:12:59,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:12:59,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:12:59,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:12:59,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:12:59,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:12:59,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:12:59,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:12:59,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:12:59,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:12:59,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:12:59,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:12:59,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:12:59,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:12:59,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:12:59,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:12:59,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:12:59,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:12:59,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:12:59,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:12:59,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:12:59,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:12:59,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:12:59,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:12:59,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:12:59,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:12:59,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:12:59,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:12:59,985 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:12:59,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:12:59,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:12:59,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:12:59,988 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:12:59,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:12:59,988 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:12:59,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:12:59,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:12:59,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:12:59,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:12:59,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:12:59,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:12:59,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:12:59,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:12:59,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:12:59,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:12:59,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:12:59,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:12:59,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:12:59,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:12:59,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:12:59,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:12:59,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:12:59,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:12:59,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:12:59,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:12:59,994 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:12:59,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:13:00,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:13:00,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:13:00,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:13:00,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:13:00,305 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:13:00,306 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-10-16 12:13:00,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a22edcf89/2221cd3a18874b3981f5512e3f9962a8/FLAGc889f879b [2020-10-16 12:13:01,003 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:13:01,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-10-16 12:13:01,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a22edcf89/2221cd3a18874b3981f5512e3f9962a8/FLAGc889f879b [2020-10-16 12:13:01,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a22edcf89/2221cd3a18874b3981f5512e3f9962a8 [2020-10-16 12:13:01,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:13:01,228 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:13:01,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:13:01,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:13:01,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:13:01,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:13:01" (1/1) ... [2020-10-16 12:13:01,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c86e5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:01, skipping insertion in model container [2020-10-16 12:13:01,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:13:01" (1/1) ... [2020-10-16 12:13:01,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:13:01,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:13:02,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:13:02,077 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:13:02,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:13:02,588 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:13:02,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02 WrapperNode [2020-10-16 12:13:02,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:13:02,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:13:02,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:13:02,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:13:02,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:13:02,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:13:02,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:13:02,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:13:02,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... [2020-10-16 12:13:02,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:13:02,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:13:02,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:13:02,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:13:02,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 12:13:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:13:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 12:13:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 12:13:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 12:13:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:13:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:13:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:13:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-16 12:13:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-16 12:13:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:13:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 12:13:02,910 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 12:13:03,596 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:13:03,596 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-16 12:13:03,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:13:03 BoogieIcfgContainer [2020-10-16 12:13:03,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:13:03,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:13:03,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:13:03,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:13:03,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:13:01" (1/3) ... [2020-10-16 12:13:03,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313f95bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:13:03, skipping insertion in model container [2020-10-16 12:13:03,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:02" (2/3) ... [2020-10-16 12:13:03,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313f95bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:13:03, skipping insertion in model container [2020-10-16 12:13:03,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:13:03" (3/3) ... [2020-10-16 12:13:03,607 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2020-10-16 12:13:03,619 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:13:03,620 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:13:03,627 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 12:13:03,628 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:13:03,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,653 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,654 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,654 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,654 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,655 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,655 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,658 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,659 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,659 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,659 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,659 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:03,671 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-16 12:13:03,685 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:13:03,706 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:13:03,707 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:13:03,707 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:13:03,707 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:13:03,707 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:13:03,707 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:13:03,707 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:13:03,707 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:13:03,723 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:13:03,724 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions, 178 flow [2020-10-16 12:13:03,726 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 85 transitions, 178 flow [2020-10-16 12:13:03,728 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow [2020-10-16 12:13:03,778 INFO L129 PetriNetUnfolder]: 6/104 cut-off events. [2020-10-16 12:13:03,779 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 12:13:03,785 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 12:13:03,789 INFO L117 LiptonReduction]: Number of co-enabled transitions 308 [2020-10-16 12:13:06,040 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2020-10-16 12:13:06,233 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-16 12:13:06,358 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-16 12:13:06,362 INFO L132 LiptonReduction]: Checked pairs total: 303 [2020-10-16 12:13:06,362 INFO L134 LiptonReduction]: Total number of compositions: 104 [2020-10-16 12:13:06,368 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 15 transitions, 38 flow [2020-10-16 12:13:06,375 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 23 states. [2020-10-16 12:13:06,377 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-10-16 12:13:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-16 12:13:06,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:06,386 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-16 12:13:06,387 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 12:13:06,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:06,392 INFO L82 PathProgramCache]: Analyzing trace with hash 337, now seen corresponding path program 1 times [2020-10-16 12:13:06,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:06,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757347958] [2020-10-16 12:13:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:06,711 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 12:13:06,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757347958] [2020-10-16 12:13:06,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:06,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 12:13:06,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838201730] [2020-10-16 12:13:06,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 12:13:06,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:06,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 12:13:06,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:13:06,736 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-10-16 12:13:06,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:06,746 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2020-10-16 12:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 12:13:06,748 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-16 12:13:06,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:06,755 INFO L225 Difference]: With dead ends: 20 [2020-10-16 12:13:06,755 INFO L226 Difference]: Without dead ends: 13 [2020-10-16 12:13:06,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:13:06,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-16 12:13:06,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-16 12:13:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 12:13:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-10-16 12:13:06,787 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 1 [2020-10-16 12:13:06,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:06,787 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-10-16 12:13:06,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 12:13:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-10-16 12:13:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:13:06,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:06,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:13:06,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:13:06,788 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 12:13:06,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:06,789 INFO L82 PathProgramCache]: Analyzing trace with hash 340878, now seen corresponding path program 1 times [2020-10-16 12:13:06,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:06,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312227365] [2020-10-16 12:13:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:06,919 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 12:13:06,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312227365] [2020-10-16 12:13:06,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:06,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:13:06,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294663980] [2020-10-16 12:13:06,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:13:06,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:06,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:13:06,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:13:06,923 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2020-10-16 12:13:06,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:06,935 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-10-16 12:13:06,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:13:06,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:13:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:06,936 INFO L225 Difference]: With dead ends: 11 [2020-10-16 12:13:06,937 INFO L226 Difference]: Without dead ends: 10 [2020-10-16 12:13:06,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:13:06,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-10-16 12:13:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-10-16 12:13:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-16 12:13:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-10-16 12:13:06,940 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 3 [2020-10-16 12:13:06,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:06,940 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-10-16 12:13:06,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:13:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-10-16 12:13:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:13:06,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:06,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:13:06,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:13:06,942 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 12:13:06,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:06,942 INFO L82 PathProgramCache]: Analyzing trace with hash 327035711, now seen corresponding path program 1 times [2020-10-16 12:13:06,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:06,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758178070] [2020-10-16 12:13:06,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:06,997 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 12:13:06,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758178070] [2020-10-16 12:13:06,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:06,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:13:06,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142735801] [2020-10-16 12:13:06,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:13:06,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:06,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:13:07,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:13:07,000 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 3 states. [2020-10-16 12:13:07,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:07,009 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2020-10-16 12:13:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:13:07,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:13:07,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:07,010 INFO L225 Difference]: With dead ends: 10 [2020-10-16 12:13:07,011 INFO L226 Difference]: Without dead ends: 7 [2020-10-16 12:13:07,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:13:07,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-10-16 12:13:07,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-10-16 12:13:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 12:13:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2020-10-16 12:13:07,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 5 [2020-10-16 12:13:07,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:07,014 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2020-10-16 12:13:07,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:13:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-10-16 12:13:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 12:13:07,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:07,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 12:13:07,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:13:07,015 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:13:07,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:07,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1548172606, now seen corresponding path program 1 times [2020-10-16 12:13:07,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:07,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662928072] [2020-10-16 12:13:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:13:07,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:13:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:13:07,066 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:13:07,092 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:13:07,093 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:13:07,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:13:07,093 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:13:07,098 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [313] [313] ULTIMATE.startENTRY-->L1696: Formula: (let ((.cse1 (store |#valid_In-1614755202| 0 0))) (let ((.cse2 (store .cse1 |~#t1~0.base_Out-1614755202| 1)) (.cse0 (select |#memory_int_In-1614755202| |~#mutex~0.base_Out-1614755202|))) (and (= |#NULL.offset_Out-1614755202| 0) (= |#pthreadsMutex_Out-1614755202| (store |#pthreadsMutex_In-1614755202| |~#mutex~0.base_Out-1614755202| (store (select |#pthreadsMutex_In-1614755202| |~#mutex~0.base_Out-1614755202|) |~#mutex~0.offset_Out-1614755202| 0))) (= ULTIMATE.start_ldv_assert_~expression_Out-1614755202 |ULTIMATE.start_ldv_assert_#in~expression_Out-1614755202|) (= |#NULL.base_Out-1614755202| 0) (= |~#mutex~0.offset_Out-1614755202| 0) (= (select .cse0 (+ |~#mutex~0.offset_Out-1614755202| 16)) 0) (= (select (select |#memory_int_In-1614755202| |~#t1~0.base_Out-1614755202|) |~#t1~0.offset_Out-1614755202|) 0) (< 0 |#StackHeapBarrier_In-1614755202|) (= (store (store |#length_In-1614755202| |~#t1~0.base_Out-1614755202| 4) |~#mutex~0.base_Out-1614755202| 24) |#length_Out-1614755202|) (< |#StackHeapBarrier_In-1614755202| |~#t1~0.base_Out-1614755202|) (= 0 (select .cse0 (+ |~#mutex~0.offset_Out-1614755202| 12))) (= (select .cse0 |~#mutex~0.offset_Out-1614755202|) 0) (= ~pdev~0_Out-1614755202 1) (= |ULTIMATE.start_ldv_assert_#in~expression_Out-1614755202| 1) (<= |ULTIMATE.start_module_init_#t~nondet31_Out-1614755202| 2147483647) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet31_Out-1614755202| 2147483648)) (= (select .cse1 |~#t1~0.base_Out-1614755202|) 0) (= (select .cse2 |~#mutex~0.base_Out-1614755202|) 0) (= (store .cse2 |~#mutex~0.base_Out-1614755202| 1) |#valid_Out-1614755202|) (< |#StackHeapBarrier_In-1614755202| |~#mutex~0.base_Out-1614755202|) (= (select .cse0 (+ |~#mutex~0.offset_Out-1614755202| 8)) 0) (= (select .cse0 (+ |~#mutex~0.offset_Out-1614755202| 4)) 0) (= |~#t1~0.offset_Out-1614755202| 0)))) InVars {#pthreadsMutex=|#pthreadsMutex_In-1614755202|, #StackHeapBarrier=|#StackHeapBarrier_In-1614755202|, #valid=|#valid_In-1614755202|, #memory_int=|#memory_int_In-1614755202|, #length=|#length_In-1614755202|} OutVars{ULTIMATE.start_module_init_#res=|ULTIMATE.start_module_init_#res_Out-1614755202|, #pthreadsMutex=|#pthreadsMutex_Out-1614755202|, ~#mutex~0.base=|~#mutex~0.base_Out-1614755202|, ~#mutex~0.offset=|~#mutex~0.offset_Out-1614755202|, #NULL.offset=|#NULL.offset_Out-1614755202|, ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_Out-1614755202|, ~#t1~0.offset=|~#t1~0.offset_Out-1614755202|, ULTIMATE.start_module_init_#t~nondet32=|ULTIMATE.start_module_init_#t~nondet32_Out-1614755202|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out-1614755202|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-1614755202, #NULL.base=|#NULL.base_Out-1614755202|, #StackHeapBarrier=|#StackHeapBarrier_In-1614755202|, ~#t1~0.base=|~#t1~0.base_Out-1614755202|, ULTIMATE.start_main_#t~ret35=|ULTIMATE.start_main_#t~ret35_Out-1614755202|, ~pdev~0=~pdev~0_Out-1614755202, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out-1614755202|, #valid=|#valid_Out-1614755202|, #memory_int=|#memory_int_In-1614755202|, #length=|#length_Out-1614755202|} 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 12:13:07,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:13:07 BasicIcfg [2020-10-16 12:13:07,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:13:07,124 INFO L168 Benchmark]: Toolchain (without parser) took 5895.37 ms. Allocated memory was 141.0 MB in the beginning and 282.6 MB in the end (delta: 141.6 MB). Free memory was 101.3 MB in the beginning and 145.7 MB in the end (delta: -44.4 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:07,125 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:13:07,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1362.73 ms. Allocated memory was 141.0 MB in the beginning and 237.0 MB in the end (delta: 95.9 MB). Free memory was 101.1 MB in the beginning and 172.1 MB in the end (delta: -71.1 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:07,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.74 ms. Allocated memory is still 237.0 MB. Free memory was 172.1 MB in the beginning and 167.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:07,128 INFO L168 Benchmark]: Boogie Preprocessor took 47.12 ms. Allocated memory is still 237.0 MB. Free memory was 167.8 MB in the beginning and 166.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:07,128 INFO L168 Benchmark]: RCFGBuilder took 843.31 ms. Allocated memory is still 237.0 MB. Free memory was 166.3 MB in the beginning and 127.0 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:07,129 INFO L168 Benchmark]: TraceAbstraction took 3521.88 ms. Allocated memory was 237.0 MB in the beginning and 282.6 MB in the end (delta: 45.6 MB). Free memory was 127.0 MB in the beginning and 145.7 MB in the end (delta: -18.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:07,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1362.73 ms. Allocated memory was 141.0 MB in the beginning and 237.0 MB in the end (delta: 95.9 MB). Free memory was 101.1 MB in the beginning and 172.1 MB in the end (delta: -71.1 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 113.74 ms. Allocated memory is still 237.0 MB. Free memory was 172.1 MB in the beginning and 167.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.12 ms. Allocated memory is still 237.0 MB. Free memory was 167.8 MB in the beginning and 166.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 843.31 ms. Allocated memory is still 237.0 MB. Free memory was 166.3 MB in the beginning and 127.0 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3521.88 ms. Allocated memory was 237.0 MB in the beginning and 282.6 MB in the end (delta: 45.6 MB). Free memory was 127.0 MB in the beginning and 145.7 MB in the end (delta: -18.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 159 VarBasedMoverChecksPositive, 7 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.6s, 83 PlacesBefore, 17 PlacesAfterwards, 85 TransitionsBefore, 15 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 7 FixpointIterations, 65 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 104 TotalNumberOfCompositions, 303 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. VerificationResult: UNSAFE, OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 25 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...