/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-FA-NoLbe-Separate.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-dev-bc79526 [2022-01-18 10:39:05,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 10:39:05,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 10:39:05,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 10:39:05,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 10:39:05,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 10:39:05,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 10:39:05,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 10:39:05,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 10:39:05,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 10:39:05,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 10:39:05,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 10:39:05,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 10:39:05,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 10:39:05,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 10:39:05,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 10:39:05,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 10:39:05,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 10:39:05,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 10:39:05,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 10:39:05,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 10:39:05,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 10:39:05,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 10:39:05,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 10:39:05,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 10:39:05,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 10:39:05,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 10:39:05,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 10:39:05,626 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-Separate.epf [2022-01-18 10:39:05,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 10:39:05,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 10:39:05,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 10:39:05,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 10:39:05,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 10:39:05,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 10:39:05,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 10:39:05,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 10:39:05,659 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 10:39:05,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 10:39:05,659 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 10:39:05,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 10:39:05,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 10:39:05,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 10:39:05,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 10:39:05,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 10:39:05,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 10:39:05,660 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 10:39:05,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 10:39:05,661 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 10:39:05,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 10:39:05,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 10:39:05,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 10:39:05,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 10:39:05,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 10:39:05,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 10:39:05,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 10:39:05,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 10:39:05,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 10:39:05,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 10:39:05,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 10:39:05,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 10:39:05,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 10:39:05,663 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 10:39:05,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 10:39:05,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 10:39:05,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 10:39:05,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 10:39:05,924 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 10:39:05,926 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 10:39:05,926 INFO L432 ainManager$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 [2022-01-18 10:39:05,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8df3b0aa/fdc93dda507c423c876178246ea0403b/FLAG1af81a2ed [2022-01-18 10:39:06,501 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 10:39:06,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-01-18 10:39:06,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8df3b0aa/fdc93dda507c423c876178246ea0403b/FLAG1af81a2ed [2022-01-18 10:39:06,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8df3b0aa/fdc93dda507c423c876178246ea0403b [2022-01-18 10:39:06,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 10:39:06,979 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 10:39:06,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 10:39:06,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 10:39:06,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 10:39:06,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:39:06" (1/1) ... [2022-01-18 10:39:06,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4bb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:06, skipping insertion in model container [2022-01-18 10:39:06,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:39:06" (1/1) ... [2022-01-18 10:39:06,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 10:39:07,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 10:39:07,179 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] [2022-01-18 10:39:07,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 10:39:07,337 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 10:39:07,349 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] [2022-01-18 10:39:07,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 10:39:07,418 INFO L208 MainTranslator]: Completed translation [2022-01-18 10:39:07,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07 WrapperNode [2022-01-18 10:39:07,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 10:39:07,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 10:39:07,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 10:39:07,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 10:39:07,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,471 INFO L137 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-01-18 10:39:07,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 10:39:07,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 10:39:07,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 10:39:07,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 10:39:07,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 10:39:07,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 10:39:07,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 10:39:07,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 10:39:07,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (1/1) ... [2022-01-18 10:39:07,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 10:39:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 10:39:07,545 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) [2022-01-18 10:39:07,568 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 [2022-01-18 10:39:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 10:39:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 10:39:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 10:39:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 10:39:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 10:39:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 10:39:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 10:39:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 10:39:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 10:39:07,588 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 10:39:07,728 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 10:39:07,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 10:39:07,849 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 10:39:07,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 10:39:07,856 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 10:39:07,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:39:07 BoogieIcfgContainer [2022-01-18 10:39:07,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 10:39:07,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 10:39:07,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 10:39:07,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 10:39:07,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 10:39:06" (1/3) ... [2022-01-18 10:39:07,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33596b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:39:07, skipping insertion in model container [2022-01-18 10:39:07,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:39:07" (2/3) ... [2022-01-18 10:39:07,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33596b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:39:07, skipping insertion in model container [2022-01-18 10:39:07,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:39:07" (3/3) ... [2022-01-18 10:39:07,867 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-01-18 10:39:07,872 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 10:39:07,872 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 10:39:07,872 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 10:39:07,873 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 10:39:07,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:39:07,922 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 10:39:07,983 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 10:39:07,992 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, 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 [2022-01-18 10:39:07,992 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 10:39:08,013 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 43 transitions, 91 flow [2022-01-18 10:39:08,043 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) [2022-01-18 10:39:08,045 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) [2022-01-18 10:39:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-18 10:39:08,052 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:39:08,053 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] [2022-01-18 10:39:08,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 10:39:08,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:39:08,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1764370604, now seen corresponding path program 1 times [2022-01-18 10:39:08,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:39:08,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950969185] [2022-01-18 10:39:08,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:39:08,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:39:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 10:39:08,158 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 10:39:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 10:39:08,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 10:39:08,195 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 10:39:08,196 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 10:39:08,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 10:39:08,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-18 10:39:08,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 10:39:08,202 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 10:39:08,206 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 10:39:08,206 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 10:39:08,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 10:39:08 BasicIcfg [2022-01-18 10:39:08,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 10:39:08,227 INFO L158 Benchmark]: Toolchain (without parser) took 1247.82ms. Allocated memory was 400.6MB in the beginning and 486.5MB in the end (delta: 86.0MB). Free memory was 344.9MB in the beginning and 416.6MB in the end (delta: -71.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 10:39:08,227 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 400.6MB. Free memory is still 362.6MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 10:39:08,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.08ms. Allocated memory was 400.6MB in the beginning and 486.5MB in the end (delta: 86.0MB). Free memory was 344.7MB in the beginning and 452.3MB in the end (delta: -107.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. [2022-01-18 10:39:08,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.50ms. Allocated memory is still 486.5MB. Free memory was 452.3MB in the beginning and 450.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 10:39:08,229 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 486.5MB. Free memory was 450.2MB in the beginning and 449.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 10:39:08,229 INFO L158 Benchmark]: RCFGBuilder took 355.26ms. Allocated memory is still 486.5MB. Free memory was 449.1MB in the beginning and 437.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 10:39:08,229 INFO L158 Benchmark]: TraceAbstraction took 365.18ms. Allocated memory is still 486.5MB. Free memory was 436.6MB in the beginning and 416.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-18 10:39:08,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 400.6MB. Free memory is still 362.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 439.08ms. Allocated memory was 400.6MB in the beginning and 486.5MB in the end (delta: 86.0MB). Free memory was 344.7MB in the beginning and 452.3MB in the end (delta: -107.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 51.50ms. Allocated memory is still 486.5MB. Free memory was 452.3MB in the beginning and 450.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 486.5MB. Free memory was 450.2MB in the beginning and 449.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 355.26ms. Allocated memory is still 486.5MB. Free memory was 449.1MB in the beginning and 437.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 365.18ms. Allocated memory is still 486.5MB. Free memory was 436.6MB in the beginning and 416.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. 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: [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: 0.1s, 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! [2022-01-18 10:39:08,266 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...