/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_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 12:31:01,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 12:31:01,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 12:31:01,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 12:31:01,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 12:31:01,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 12:31:01,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 12:31:01,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 12:31:01,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 12:31:01,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 12:31:01,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 12:31:01,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 12:31:01,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 12:31:01,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 12:31:01,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 12:31:01,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 12:31:01,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 12:31:01,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 12:31:01,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 12:31:01,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 12:31:01,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 12:31:01,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 12:31:01,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 12:31:01,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 12:31:01,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 12:31:01,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 12:31:01,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 12:31:01,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 12:31:01,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 12:31:01,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 12:31:01,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 12:31:01,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 12:31:01,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 12:31:01,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 12:31:01,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 12:31:01,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 12:31:01,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 12:31:01,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 12:31:01,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 12:31:01,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 12:31:01,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 12:31:01,604 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 12:31:01,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 12:31:01,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 12:31:01,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 12:31:01,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 12:31:01,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 12:31:01,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 12:31:01,623 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 12:31:01,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 12:31:01,623 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 12:31:01,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 12:31:01,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 12:31:01,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 12:31:01,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 12:31:01,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 12:31:01,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 12:31:01,624 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 12:31:01,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 12:31:01,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 12:31:01,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 12:31:01,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 12:31:01,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 12:31:01,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 12:31:01,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 12:31:01,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 12:31:01,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 12:31:01,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 12:31:01,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 12:31:01,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 12:31:01,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 12:31:01,626 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 12:31:01,626 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 12:31:01,626 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 12:31:01,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 12:31:01,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 12:31:01,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 12:31:01,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 12:31:01,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 12:31:01,810 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 12:31:01,811 INFO L432 ainManager$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 12:31:01,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1856e74f2/7b2abc5371ec457e916f85337dd349d4/FLAGaeb9f980f [2022-01-19 12:31:02,278 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 12:31:02,278 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 12:31:02,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1856e74f2/7b2abc5371ec457e916f85337dd349d4/FLAGaeb9f980f [2022-01-19 12:31:02,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1856e74f2/7b2abc5371ec457e916f85337dd349d4 [2022-01-19 12:31:02,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 12:31:02,302 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 12:31:02,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 12:31:02,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 12:31:02,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 12:31:02,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774b476b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02, skipping insertion in model container [2022-01-19 12:31:02,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 12:31:02,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 12:31:02,496 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 12:31:02,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 12:31:02,600 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 12:31:02,609 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 12:31:02,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 12:31:02,655 INFO L208 MainTranslator]: Completed translation [2022-01-19 12:31:02,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02 WrapperNode [2022-01-19 12:31:02,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 12:31:02,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 12:31:02,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 12:31:02,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 12:31:02,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,687 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-01-19 12:31:02,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 12:31:02,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 12:31:02,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 12:31:02,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 12:31:02,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 12:31:02,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 12:31:02,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 12:31:02,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 12:31:02,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (1/1) ... [2022-01-19 12:31:02,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 12:31:02,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:31:02,744 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 12:31:02,773 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 12:31:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 12:31:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 12:31:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 12:31:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 12:31:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-19 12:31:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-19 12:31:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 12:31:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 12:31:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 12:31:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 12:31:02,787 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 12:31:02,874 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 12:31:02,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 12:31:03,017 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 12:31:03,023 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 12:31:03,024 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 12:31:03,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:31:03 BoogieIcfgContainer [2022-01-19 12:31:03,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 12:31:03,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 12:31:03,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 12:31:03,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 12:31:03,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:31:02" (1/3) ... [2022-01-19 12:31:03,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303cf45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:31:03, skipping insertion in model container [2022-01-19 12:31:03,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:31:02" (2/3) ... [2022-01-19 12:31:03,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303cf45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:31:03, skipping insertion in model container [2022-01-19 12:31:03,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:31:03" (3/3) ... [2022-01-19 12:31:03,031 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-01-19 12:31:03,035 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 12:31:03,035 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 12:31:03,035 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 12:31:03,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,064 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,064 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,065 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,065 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:31:03,072 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-19 12:31:03,108 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 12:31:03,113 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 12:31:03,114 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-19 12:31:03,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 78 transitions, 161 flow [2022-01-19 12:31:03,163 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2022-01-19 12:31:03,164 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 12:31:03,166 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 12:31:03,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 78 transitions, 161 flow [2022-01-19 12:31:03,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 65 transitions, 133 flow [2022-01-19 12:31:03,197 INFO L129 PetriNetUnfolder]: 1/64 cut-off events. [2022-01-19 12:31:03,197 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 12:31:03,197 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:31:03,198 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 12:31:03,198 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-19 12:31:03,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:31:03,202 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-01-19 12:31:03,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:31:03,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842047674] [2022-01-19 12:31:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:31:03,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:31:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 12:31:03,337 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 12:31:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 12:31:03,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 12:31:03,397 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 12:31:03,398 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-19 12:31:03,400 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-19 12:31:03,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 12:31:03,403 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-19 12:31:03,407 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 12:31:03,407 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 12:31:03,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 12:31:03 BasicIcfg [2022-01-19 12:31:03,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 12:31:03,437 INFO L158 Benchmark]: Toolchain (without parser) took 1134.83ms. Allocated memory is still 394.3MB. Free memory was 340.3MB in the beginning and 313.4MB in the end (delta: 26.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.0GB. [2022-01-19 12:31:03,437 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 394.3MB. Free memory is still 358.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 12:31:03,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.04ms. Allocated memory is still 394.3MB. Free memory was 340.2MB in the beginning and 358.5MB in the end (delta: -18.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.0GB. [2022-01-19 12:31:03,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.87ms. Allocated memory is still 394.3MB. Free memory was 358.5MB in the beginning and 356.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 12:31:03,439 INFO L158 Benchmark]: Boogie Preprocessor took 16.41ms. Allocated memory is still 394.3MB. Free memory was 356.4MB in the beginning and 354.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 12:31:03,439 INFO L158 Benchmark]: RCFGBuilder took 319.84ms. Allocated memory is still 394.3MB. Free memory was 354.3MB in the beginning and 341.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-19 12:31:03,440 INFO L158 Benchmark]: TraceAbstraction took 410.01ms. Allocated memory is still 394.3MB. Free memory was 341.7MB in the beginning and 313.4MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2022-01-19 12:31:03,442 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 394.3MB. Free memory is still 358.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 353.04ms. Allocated memory is still 394.3MB. Free memory was 340.2MB in the beginning and 358.5MB in the end (delta: -18.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 30.87ms. Allocated memory is still 394.3MB. Free memory was 358.5MB in the beginning and 356.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 16.41ms. Allocated memory is still 394.3MB. Free memory was 356.4MB in the beginning and 354.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 319.84ms. Allocated memory is still 394.3MB. Free memory was 354.3MB in the beginning and 341.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 410.01ms. Allocated memory is still 394.3MB. Free memory was 341.7MB in the beginning and 313.4MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. 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 12:31:03,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...