/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_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:08:28,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:08:28,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:08:28,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 22:08:28,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:08:28,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:08:28,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:08:28,563 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 [2022-02-10 22:08:28,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:08:28,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:08:28,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:08:28,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:08:28,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:08:28,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:08:28,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:08:28,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:08:28,590 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:08:28,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:08:28,591 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:08:28,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:08:28,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:08:28,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:08:28,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:08:28,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:08:28,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:08:28,592 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:08:28,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:08:28,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:08:28,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:08:28,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:08:28,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:08:28,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:08:28,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:08:28,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:08:28,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:08:28,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:08:28,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:08:28,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:08:28,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:08:28,594 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:08:28,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:08:28,594 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:08:28,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:08:28,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:08:28,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:08:28,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:08:28,807 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:08:28,808 INFO L432 ainManager$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_neg.i [2022-02-10 22:08:28,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24ef34e7/75602751d28048a18c38d0851466c41c/FLAGed2b76ad5 [2022-02-10 22:08:29,220 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:08:29,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-02-10 22:08:29,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24ef34e7/75602751d28048a18c38d0851466c41c/FLAGed2b76ad5 [2022-02-10 22:08:29,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24ef34e7/75602751d28048a18c38d0851466c41c [2022-02-10 22:08:29,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:08:29,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:08:29,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:08:29,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:08:29,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:08:29,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:29,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad17252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29, skipping insertion in model container [2022-02-10 22:08:29,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:29,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:08:29,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:08:29,809 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_neg.i[1102,1115] [2022-02-10 22:08:29,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:08:29,935 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:08:29,943 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_neg.i[1102,1115] [2022-02-10 22:08:29,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:08:29,990 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:08:29,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29 WrapperNode [2022-02-10 22:08:29,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:08:29,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:08:29,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:08:29,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:08:29,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,028 INFO L137 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-02-10 22:08:30,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:08:30,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:08:30,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:08:30,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:08:30,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:08:30,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:08:30,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:08:30,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:08:30,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (1/1) ... [2022-02-10 22:08:30,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:08:30,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:08:30,085 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) [2022-02-10 22:08:30,139 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 [2022-02-10 22:08:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:08:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:08:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:08:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 22:08:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 22:08:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:08:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:08:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:08:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:08:30,166 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:08:30,289 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:08:30,290 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:08:30,377 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:08:30,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:08:30,381 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 22:08:30,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:08:30 BoogieIcfgContainer [2022-02-10 22:08:30,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:08:30,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:08:30,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:08:30,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:08:30,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:08:29" (1/3) ... [2022-02-10 22:08:30,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3927ef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:08:30, skipping insertion in model container [2022-02-10 22:08:30,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:29" (2/3) ... [2022-02-10 22:08:30,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3927ef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:08:30, skipping insertion in model container [2022-02-10 22:08:30,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:08:30" (3/3) ... [2022-02-10 22:08:30,388 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-02-10 22:08:30,392 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:08:30,392 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:08:30,392 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:08:30,392 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:08:30,407 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,408 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,408 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,408 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,408 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,408 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,408 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,408 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,408 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,409 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,409 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,409 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,409 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,409 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,410 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,411 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,412 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,412 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,414 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,414 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,414 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,414 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,414 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,414 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,414 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,414 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:30,416 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 22:08:30,445 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:08:30,449 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 [2022-02-10 22:08:30,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 22:08:30,455 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 43 transitions, 91 flow [2022-02-10 22:08:30,471 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) [2022-02-10 22:08:30,473 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) [2022-02-10 22:08:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-10 22:08:30,478 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:30,478 INFO L515 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] [2022-02-10 22:08:30,479 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 22:08:30,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:30,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1764370604, now seen corresponding path program 1 times [2022-02-10 22:08:30,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:30,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263483311] [2022-02-10 22:08:30,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:30,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:08:30,575 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 22:08:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:08:30,621 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 22:08:30,624 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 22:08:30,625 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-10 22:08:30,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-10 22:08:30,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-02-10 22:08:30,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:08:30,630 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-10 22:08:30,634 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 22:08:30,634 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 22:08:30,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 10:08:30 BasicIcfg [2022-02-10 22:08:30,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 22:08:30,660 INFO L158 Benchmark]: Toolchain (without parser) took 1065.43ms. Allocated memory is still 199.2MB. Free memory was 144.5MB in the beginning and 129.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2022-02-10 22:08:30,661 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 199.2MB. Free memory is still 162.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 22:08:30,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.77ms. Allocated memory is still 199.2MB. Free memory was 144.2MB in the beginning and 164.2MB in the end (delta: -20.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-02-10 22:08:30,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.17ms. Allocated memory is still 199.2MB. Free memory was 164.2MB in the beginning and 162.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:08:30,662 INFO L158 Benchmark]: Boogie Preprocessor took 25.52ms. Allocated memory is still 199.2MB. Free memory was 162.2MB in the beginning and 161.2MB in the end (delta: 955.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 22:08:30,665 INFO L158 Benchmark]: RCFGBuilder took 327.28ms. Allocated memory is still 199.2MB. Free memory was 161.2MB in the beginning and 150.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-10 22:08:30,666 INFO L158 Benchmark]: TraceAbstraction took 275.26ms. Allocated memory is still 199.2MB. Free memory was 150.4MB in the beginning and 129.7MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-02-10 22:08:30,670 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 199.2MB. Free memory is still 162.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 395.77ms. Allocated memory is still 199.2MB. Free memory was 144.2MB in the beginning and 164.2MB in the end (delta: -20.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.17ms. Allocated memory is still 199.2MB. Free memory was 164.2MB in the beginning and 162.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.52ms. Allocated memory is still 199.2MB. Free memory was 162.2MB in the beginning and 161.2MB in the end (delta: 955.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 327.28ms. Allocated memory is still 199.2MB. Free memory was 161.2MB in the beginning and 150.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 275.26ms. Allocated memory is still 199.2MB. Free memory was 150.4MB in the beginning and 129.7MB in the end (delta: 20.6MB). 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()=3, arg={0:0}, arg={0:0}, x=3] [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! [2022-02-10 22:08:30,700 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...