/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 12:30:55,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 12:30:55,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 12:30:55,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 12:30:55,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 12:30:55,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 12:30:55,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 12:30:55,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 12:30:55,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 12:30:55,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 12:30:55,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 12:30:55,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 12:30:55,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 12:30:55,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 12:30:55,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 12:30:55,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 12:30:55,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 12:30:55,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 12:30:55,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 12:30:55,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 12:30:55,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 12:30:55,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 12:30:55,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 12:30:55,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 12:30:55,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 12:30:55,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 12:30:55,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 12:30:55,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 12:30:55,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 12:30:55,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 12:30:55,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 12:30:55,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 12:30:55,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 12:30:55,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 12:30:55,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 12:30:55,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 12:30:55,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 12:30:55,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 12:30:55,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 12:30:55,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 12:30:55,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 12:30:55,900 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-NoLbe-After.epf [2022-01-19 12:30:55,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 12:30:55,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 12:30:55,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 12:30:55,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 12:30:55,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 12:30:55,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 12:30:55,933 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 12:30:55,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 12:30:55,934 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 12:30:55,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 12:30:55,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 12:30:55,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 12:30:55,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 12:30:55,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 12:30:55,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 12:30:55,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 12:30:55,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 12:30:55,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 12:30:55,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 12:30:55,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 12:30:55,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 12:30:55,937 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 12:30:55,937 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 12:30:55,937 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 12:30:55,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 12:30:56,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 12:30:56,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 12:30:56,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 12:30:56,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 12:30:56,145 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 12:30:56,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-01-19 12:30:56,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b267cbd4/a61c80d00fef4cc899c487f98ea00686/FLAGa445924bc [2022-01-19 12:30:56,530 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 12:30:56,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-01-19 12:30:56,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b267cbd4/a61c80d00fef4cc899c487f98ea00686/FLAGa445924bc [2022-01-19 12:30:56,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b267cbd4/a61c80d00fef4cc899c487f98ea00686 [2022-01-19 12:30:56,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 12:30:56,924 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 12:30:56,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 12:30:56,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 12:30:56,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 12:30:56,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:30:56" (1/1) ... [2022-01-19 12:30:56,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dada49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:56, skipping insertion in model container [2022-01-19 12:30:56,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:30:56" (1/1) ... [2022-01-19 12:30:56,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 12:30:56,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 12:30:57,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-01-19 12:30:57,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 12:30:57,205 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 12:30:57,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-01-19 12:30:57,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 12:30:57,265 INFO L208 MainTranslator]: Completed translation [2022-01-19 12:30:57,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57 WrapperNode [2022-01-19 12:30:57,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 12:30:57,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 12:30:57,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 12:30:57,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 12:30:57,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,313 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-01-19 12:30:57,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 12:30:57,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 12:30:57,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 12:30:57,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 12:30:57,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 12:30:57,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 12:30:57,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 12:30:57,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 12:30:57,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (1/1) ... [2022-01-19 12:30:57,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 12:30:57,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:30:57,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 12:30:57,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 12:30:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 12:30:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 12:30:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 12:30:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 12:30:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-19 12:30:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-19 12:30:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 12:30:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 12:30:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 12:30:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 12:30:57,414 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 12:30:57,528 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 12:30:57,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 12:30:57,713 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 12:30:57,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 12:30:57,720 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 12:30:57,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:30:57 BoogieIcfgContainer [2022-01-19 12:30:57,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 12:30:57,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 12:30:57,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 12:30:57,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 12:30:57,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:30:56" (1/3) ... [2022-01-19 12:30:57,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fba3901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:30:57, skipping insertion in model container [2022-01-19 12:30:57,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:30:57" (2/3) ... [2022-01-19 12:30:57,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fba3901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:30:57, skipping insertion in model container [2022-01-19 12:30:57,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:30:57" (3/3) ... [2022-01-19 12:30:57,731 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-01-19 12:30:57,739 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 12:30:57,739 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 12:30:57,739 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 12:30:57,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,775 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,776 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,776 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,776 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,781 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,782 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:30:57,783 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-19 12:30:57,820 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 12:30:57,826 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 12:30:57,826 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-19 12:30:57,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 78 transitions, 161 flow [2022-01-19 12:30:57,861 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2022-01-19 12:30:57,862 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 12:30:57,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2022-01-19 12:30:57,864 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 78 transitions, 161 flow [2022-01-19 12:30:57,867 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 65 transitions, 133 flow [2022-01-19 12:30:57,881 INFO L129 PetriNetUnfolder]: 1/64 cut-off events. [2022-01-19 12:30:57,881 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 12:30:57,881 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:30:57,882 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:30:57,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-19 12:30:57,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:30:57,886 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-01-19 12:30:57,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:30:57,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428940878] [2022-01-19 12:30:57,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:30:57,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:30:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:30:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 12:30:58,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:30:58,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428940878] [2022-01-19 12:30:58,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428940878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:30:58,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:30:58,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 12:30:58,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852836422] [2022-01-19 12:30:58,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:30:58,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 12:30:58,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:30:58,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 12:30:58,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-19 12:30:58,256 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 78 [2022-01-19 12:30:58,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 133 flow. Second operand has 6 states, 6 states have (on average 65.5) internal successors, (393), 6 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:30:58,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:30:58,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 78 [2022-01-19 12:30:58,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:30:58,341 INFO L129 PetriNetUnfolder]: 9/125 cut-off events. [2022-01-19 12:30:58,341 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-19 12:30:58,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 125 events. 9/125 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 298 event pairs, 0 based on Foata normal form. 2/124 useless extension candidates. Maximal degree in co-relation 125. Up to 15 conditions per place. [2022-01-19 12:30:58,343 INFO L132 encePairwiseOnDemand]: 71/78 looper letters, 13 selfloop transitions, 3 changer transitions 8/77 dead transitions. [2022-01-19 12:30:58,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 77 transitions, 203 flow [2022-01-19 12:30:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 12:30:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 12:30:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 408 transitions. [2022-01-19 12:30:58,355 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2022-01-19 12:30:58,356 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 408 transitions. [2022-01-19 12:30:58,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 408 transitions. [2022-01-19 12:30:58,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:30:58,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 408 transitions. [2022-01-19 12:30:58,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:30:58,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 78.0) internal successors, (546), 7 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:30:58,385 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 78.0) internal successors, (546), 7 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:30:58,386 INFO L186 Difference]: Start difference. First operand has 68 places, 65 transitions, 133 flow. Second operand 6 states and 408 transitions. [2022-01-19 12:30:58,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 77 transitions, 203 flow [2022-01-19 12:30:58,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 77 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 12:30:58,392 INFO L242 Difference]: Finished difference. Result has 77 places, 65 transitions, 154 flow [2022-01-19 12:30:58,393 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=154, PETRI_PLACES=77, PETRI_TRANSITIONS=65} [2022-01-19 12:30:58,396 INFO L334 CegarLoopForPetriNet]: 68 programPoint places, 9 predicate places. [2022-01-19 12:30:58,396 INFO L470 AbstractCegarLoop]: Abstraction has has 77 places, 65 transitions, 154 flow [2022-01-19 12:30:58,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.5) internal successors, (393), 6 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 12:30:58,397 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:30:58,397 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:30:58,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 12:30:58,397 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-19 12:30:58,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:30:58,398 INFO L85 PathProgramCache]: Analyzing trace with hash 687613271, now seen corresponding path program 1 times [2022-01-19 12:30:58,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:30:58,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656062206] [2022-01-19 12:30:58,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:30:58,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:30:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 12:30:58,453 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 12:30:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 12:30:58,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 12:30:58,524 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 12:30:58,525 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-19 12:30:58,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-19 12:30:58,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 12:30:58,530 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-19 12:30:58,534 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 12:30:58,534 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 12:30:58,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 12:30:58 BasicIcfg [2022-01-19 12:30:58,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 12:30:58,582 INFO L158 Benchmark]: Toolchain (without parser) took 1657.98ms. Allocated memory is still 402.7MB. Free memory was 347.3MB in the beginning and 296.5MB in the end (delta: 50.8MB). Peak memory consumption was 51.5MB. Max. memory is 16.0GB. [2022-01-19 12:30:58,582 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 402.7MB. Free memory is still 364.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 12:30:58,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.40ms. Allocated memory is still 402.7MB. Free memory was 347.1MB in the beginning and 365.7MB in the end (delta: -18.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.0GB. [2022-01-19 12:30:58,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.59ms. Allocated memory is still 402.7MB. Free memory was 365.7MB in the beginning and 364.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 12:30:58,584 INFO L158 Benchmark]: Boogie Preprocessor took 30.39ms. Allocated memory is still 402.7MB. Free memory was 364.6MB in the beginning and 362.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 12:30:58,584 INFO L158 Benchmark]: RCFGBuilder took 376.46ms. Allocated memory is still 402.7MB. Free memory was 362.5MB in the beginning and 350.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-19 12:30:58,585 INFO L158 Benchmark]: TraceAbstraction took 858.71ms. Allocated memory is still 402.7MB. Free memory was 350.0MB in the beginning and 296.5MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. [2022-01-19 12:30:58,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 402.7MB. Free memory is still 364.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 340.40ms. Allocated memory is still 402.7MB. Free memory was 347.1MB in the beginning and 365.7MB in the end (delta: -18.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.59ms. Allocated memory is still 402.7MB. Free memory was 365.7MB in the beginning and 364.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 30.39ms. Allocated memory is still 402.7MB. Free memory was 364.6MB in the beginning and 362.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 376.46ms. Allocated memory is still 402.7MB. Free memory was 362.5MB in the beginning and 350.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 858.71ms. Allocated memory is still 402.7MB. Free memory was 350.0MB in the beginning and 296.5MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, A={3:0}, B={4:0}, g=42, r=1] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=1] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=1] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1] [L700] COND TRUE 0 \read(r) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=1] [L701] 0 g = 17 VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1, t=17] [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-19 12:30:58,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...