/usr/bin/java -Xmx8000000000 -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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 14:00:03,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 14:00:03,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 14:00:03,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 14:00:03,399 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-FA-NoLbe.epf [2022-02-18 14:00:03,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 14:00:03,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 14:00:03,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 14:00:03,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 14:00:03,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 14:00:03,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 14:00:03,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 14:00:03,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 14:00:03,422 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 14:00:03,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 14:00:03,423 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 14:00:03,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 14:00:03,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 14:00:03,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 14:00:03,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 14:00:03,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 14:00:03,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 14:00:03,424 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 14:00:03,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 14:00:03,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 14:00:03,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 14:00:03,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 14:00:03,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 14:00:03,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 14:00:03,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 14:00:03,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 14:00:03,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 14:00:03,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 14:00:03,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 14:00:03,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 14:00:03,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 14:00:03,425 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 14:00:03,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 14:00:03,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 14:00:03,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 14:00:03,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 14:00:03,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 14:00:03,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 14:00:03,615 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 14:00:03,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-02-18 14:00:03,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0810a9dd8/545d455645fe4175927b43bcff5cf32b/FLAG90e9e6177 [2022-02-18 14:00:04,041 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 14:00:04,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-02-18 14:00:04,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0810a9dd8/545d455645fe4175927b43bcff5cf32b/FLAG90e9e6177 [2022-02-18 14:00:04,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0810a9dd8/545d455645fe4175927b43bcff5cf32b [2022-02-18 14:00:04,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 14:00:04,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 14:00:04,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 14:00:04,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 14:00:04,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 14:00:04,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb12ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04, skipping insertion in model container [2022-02-18 14:00:04,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 14:00:04,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 14:00:04,575 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_41-threadenter-no-locals_unknown_1_pos.i[1102,1115] [2022-02-18 14:00:04,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 14:00:04,692 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 14:00:04,702 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_41-threadenter-no-locals_unknown_1_pos.i[1102,1115] [2022-02-18 14:00:04,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 14:00:04,761 INFO L208 MainTranslator]: Completed translation [2022-02-18 14:00:04,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04 WrapperNode [2022-02-18 14:00:04,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 14:00:04,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 14:00:04,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 14:00:04,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 14:00:04,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,799 INFO L137 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-02-18 14:00:04,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 14:00:04,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 14:00:04,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 14:00:04,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 14:00:04,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 14:00:04,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 14:00:04,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 14:00:04,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 14:00:04,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (1/1) ... [2022-02-18 14:00:04,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 14:00:04,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 14:00:04,861 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) [2022-02-18 14:00:04,880 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 [2022-02-18 14:00:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 14:00:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 14:00:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 14:00:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 14:00:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 14:00:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 14:00:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 14:00:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 14:00:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 14:00:04,896 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 14:00:04,988 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 14:00:04,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 14:00:05,084 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 14:00:05,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 14:00:05,090 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 14:00:05,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:00:05 BoogieIcfgContainer [2022-02-18 14:00:05,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 14:00:05,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 14:00:05,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 14:00:05,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 14:00:05,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 02:00:04" (1/3) ... [2022-02-18 14:00:05,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51660d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:00:05, skipping insertion in model container [2022-02-18 14:00:05,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:00:04" (2/3) ... [2022-02-18 14:00:05,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51660d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:00:05, skipping insertion in model container [2022-02-18 14:00:05,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:00:05" (3/3) ... [2022-02-18 14:00:05,097 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-02-18 14:00:05,101 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 14:00:05,101 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 14:00:05,101 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 14:00:05,101 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 14:00:05,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:00:05,129 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 14:00:05,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 14:00:05,167 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 14:00:05,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-18 14:00:05,185 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 43 transitions, 91 flow [2022-02-18 14:00:05,205 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 117 states, 116 states have (on average 1.6896551724137931) internal successors, (196), 116 states have internal predecessors, (196), 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) [2022-02-18 14:00:05,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 116 states have (on average 1.6896551724137931) internal successors, (196), 116 states have internal predecessors, (196), 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) [2022-02-18 14:00:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-18 14:00:05,218 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:00:05,218 INFO L514 BasicCegarLoop]: 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] [2022-02-18 14:00:05,219 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 14:00:05,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:00:05,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1764370604, now seen corresponding path program 1 times [2022-02-18 14:00:05,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:00:05,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047158449] [2022-02-18 14:00:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:00:05,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:00:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 14:00:05,332 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 14:00:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 14:00:05,371 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 14:00:05,373 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 14:00:05,374 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-18 14:00:05,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-18 14:00:05,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-02-18 14:00:05,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 14:00:05,379 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-18 14:00:05,382 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 14:00:05,382 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 14:00:05,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 02:00:05 BasicIcfg [2022-02-18 14:00:05,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 14:00:05,404 INFO L158 Benchmark]: Toolchain (without parser) took 991.15ms. Allocated memory is still 176.2MB. Free memory was 124.0MB in the beginning and 108.4MB in the end (delta: 15.6MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. [2022-02-18 14:00:05,404 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 14:00:05,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.36ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 143.0MB in the end (delta: -19.1MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-02-18 14:00:05,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.69ms. Allocated memory is still 176.2MB. Free memory was 143.0MB in the beginning and 141.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 14:00:05,406 INFO L158 Benchmark]: Boogie Preprocessor took 26.34ms. Allocated memory is still 176.2MB. Free memory was 141.4MB in the beginning and 140.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 14:00:05,406 INFO L158 Benchmark]: RCFGBuilder took 264.26ms. Allocated memory is still 176.2MB. Free memory was 139.8MB in the beginning and 129.9MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-18 14:00:05,407 INFO L158 Benchmark]: TraceAbstraction took 311.37ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 108.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-02-18 14:00:05,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.36ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 143.0MB in the end (delta: -19.1MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.69ms. Allocated memory is still 176.2MB. Free memory was 143.0MB in the beginning and 141.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.34ms. Allocated memory is still 176.2MB. Free memory was 141.4MB in the beginning and 140.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 264.26ms. Allocated memory is still 176.2MB. Free memory was 139.8MB in the beginning and 129.9MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 311.37ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 108.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * 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: [L688] 0 int x = 3; VAL [x=3] [L689] 0 pthread_t id; VAL [id={3:0}, x=3] [L690] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x=3] [L683] 1 int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, x=0] [L684] CALL 1 __VERIFIER_assert(x == 3) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 690]: 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, 60 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 28 NumberOfCodeBlocks, 28 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! [2022-02-18 14:00:05,443 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...