/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-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 06:36:12,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 06:36:12,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 06:36:12,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 06:36:12,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 06:36:12,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 06:36:12,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 06:36:12,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 06:36:12,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 06:36:12,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 06:36:12,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 06:36:12,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 06:36:12,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 06:36:12,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 06:36:12,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 06:36:12,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 06:36:12,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 06:36:12,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 06:36:12,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 06:36:12,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 06:36:12,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 06:36:12,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 06:36:12,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 06:36:12,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 06:36:12,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 06:36:12,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 06:36:12,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 06:36:12,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 06:36:12,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 06:36:12,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 06:36:12,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 06:36:12,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 06:36:12,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 06:36:12,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 06:36:12,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 06:36:12,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 06:36:12,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 06:36:12,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 06:36:12,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 06:36:12,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 06:36:12,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 06:36:12,385 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-Before.epf [2022-01-19 06:36:12,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 06:36:12,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 06:36:12,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 06:36:12,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 06:36:12,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 06:36:12,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 06:36:12,403 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 06:36:12,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 06:36:12,403 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 06:36:12,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 06:36:12,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 06:36:12,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 06:36:12,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 06:36:12,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 06:36:12,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 06:36:12,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 06:36:12,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 06:36:12,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 06:36:12,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 06:36:12,405 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 06:36:12,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 06:36:12,405 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 06:36:12,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 06:36:12,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 06:36:12,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 06:36:12,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 06:36:12,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 06:36:12,639 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 06:36:12,640 INFO L432 ainManager$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_pos.i [2022-01-19 06:36:12,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d03e4b9d/38f1e310c797450e8ce1ef9ac3d8a4f9/FLAG7df60338d [2022-01-19 06:36:13,141 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 06:36:13,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-01-19 06:36:13,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d03e4b9d/38f1e310c797450e8ce1ef9ac3d8a4f9/FLAG7df60338d [2022-01-19 06:36:13,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d03e4b9d/38f1e310c797450e8ce1ef9ac3d8a4f9 [2022-01-19 06:36:13,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 06:36:13,475 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 06:36:13,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 06:36:13,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 06:36:13,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 06:36:13,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e5530b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13, skipping insertion in model container [2022-01-19 06:36:13,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 06:36:13,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 06:36:13,683 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_pos.i[1098,1111] [2022-01-19 06:36:13,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 06:36:13,760 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 06:36:13,767 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_pos.i[1098,1111] [2022-01-19 06:36:13,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 06:36:13,809 INFO L208 MainTranslator]: Completed translation [2022-01-19 06:36:13,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13 WrapperNode [2022-01-19 06:36:13,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 06:36:13,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 06:36:13,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 06:36:13,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 06:36:13,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,837 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-01-19 06:36:13,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 06:36:13,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 06:36:13,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 06:36:13,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 06:36:13,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 06:36:13,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 06:36:13,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 06:36:13,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 06:36:13,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (1/1) ... [2022-01-19 06:36:13,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 06:36:13,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 06:36:13,888 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 06:36:13,894 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 06:36:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 06:36:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 06:36:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 06:36:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 06:36:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-19 06:36:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-19 06:36:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 06:36:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 06:36:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 06:36:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 06:36:13,922 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 06:36:13,987 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 06:36:13,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 06:36:14,111 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 06:36:14,116 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 06:36:14,116 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 06:36:14,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 06:36:14 BoogieIcfgContainer [2022-01-19 06:36:14,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 06:36:14,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 06:36:14,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 06:36:14,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 06:36:14,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 06:36:13" (1/3) ... [2022-01-19 06:36:14,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dbb1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 06:36:14, skipping insertion in model container [2022-01-19 06:36:14,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 06:36:13" (2/3) ... [2022-01-19 06:36:14,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dbb1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 06:36:14, skipping insertion in model container [2022-01-19 06:36:14,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 06:36:14" (3/3) ... [2022-01-19 06:36:14,123 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-01-19 06:36:14,127 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 06:36:14,127 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 06:36:14,127 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 06:36:14,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,164 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,164 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,165 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,165 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,170 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,170 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 06:36:14,172 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-19 06:36:14,220 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 06:36:14,224 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 06:36:14,224 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-19 06:36:14,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 78 transitions, 161 flow [2022-01-19 06:36:14,274 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2022-01-19 06:36:14,274 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 06:36:14,279 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 06:36:14,280 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 78 transitions, 161 flow [2022-01-19 06:36:14,285 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 65 transitions, 133 flow [2022-01-19 06:36:14,308 INFO L129 PetriNetUnfolder]: 1/64 cut-off events. [2022-01-19 06:36:14,308 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 06:36:14,309 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 06:36:14,309 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 06:36:14,309 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-19 06:36:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 06:36:14,314 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-01-19 06:36:14,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 06:36:14,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676601737] [2022-01-19 06:36:14,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 06:36:14,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 06:36:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 06:36:14,444 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 06:36:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 06:36:14,506 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 06:36:14,508 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 06:36:14,508 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-19 06:36:14,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-19 06:36:14,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 06:36:14,512 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-19 06:36:14,516 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 06:36:14,516 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 06:36:14,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 06:36:14 BasicIcfg [2022-01-19 06:36:14,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 06:36:14,557 INFO L158 Benchmark]: Toolchain (without parser) took 1081.45ms. Allocated memory was 367.0MB in the beginning and 440.4MB in the end (delta: 73.4MB). Free memory was 313.1MB in the beginning and 359.2MB in the end (delta: -46.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2022-01-19 06:36:14,558 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 367.0MB. Free memory is still 330.5MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 06:36:14,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.52ms. Allocated memory was 367.0MB in the beginning and 440.4MB in the end (delta: 73.4MB). Free memory was 313.0MB in the beginning and 405.3MB in the end (delta: -92.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. [2022-01-19 06:36:14,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.92ms. Allocated memory is still 440.4MB. Free memory was 405.3MB in the beginning and 403.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 06:36:14,562 INFO L158 Benchmark]: Boogie Preprocessor took 13.80ms. Allocated memory is still 440.4MB. Free memory was 403.2MB in the beginning and 402.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 06:36:14,562 INFO L158 Benchmark]: RCFGBuilder took 265.47ms. Allocated memory is still 440.4MB. Free memory was 402.1MB in the beginning and 388.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-19 06:36:14,563 INFO L158 Benchmark]: TraceAbstraction took 437.94ms. Allocated memory is still 440.4MB. Free memory was 387.0MB in the beginning and 359.2MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2022-01-19 06:36:14,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 367.0MB. Free memory is still 330.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 322.52ms. Allocated memory was 367.0MB in the beginning and 440.4MB in the end (delta: 73.4MB). Free memory was 313.0MB in the beginning and 405.3MB in the end (delta: -92.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 26.92ms. Allocated memory is still 440.4MB. Free memory was 405.3MB in the beginning and 403.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 13.80ms. Allocated memory is still 440.4MB. Free memory was 403.2MB in the beginning and 402.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 265.47ms. Allocated memory is still 440.4MB. Free memory was 402.1MB in the beginning and 388.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 437.94ms. Allocated memory is still 440.4MB. Free memory was 387.0MB in the beginning and 359.2MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. 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()=0, A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [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=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0, t=42] [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=42] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 06:36:14,591 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...