/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 15:18:24,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:18:24,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:18:24,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 15:18:24,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 15:18:24,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 15:18:24,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 15:18:24,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 15:18:24,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 15:18:24,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 15:18:24,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 15:18:24,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 15:18:24,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 15:18:24,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 15:18:24,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 15:18:24,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 15:18:24,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 15:18:24,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 15:18:24,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 15:18:24,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 15:18:24,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 15:18:24,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 15:18:24,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 15:18:24,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 15:18:24,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 15:18:24,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 15:18:24,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 15:18:24,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 15:18:24,877 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-10 15:18:24,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:18:24,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:18:24,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:18:24,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:18:24,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:18:24,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:18:24,922 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:18:24,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:18:24,922 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:18:24,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:18:24,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:18:24,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:18:24,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:18:24,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:18:24,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:18:24,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:18:24,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:18:24,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:18:24,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:18:24,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:18:24,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:18:24,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:18:24,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:18:24,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:18:24,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:18:24,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:18:24,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:18:24,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:18:24,926 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:18:24,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:18:24,926 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:18:24,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:18:24,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:18:24,927 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:18:24,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:18:24,927 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:18:25,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:18:25,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:18:25,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:18:25,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 15:18:25,260 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 15:18:25,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i [2021-07-10 15:18:25,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9a77ded/bbcbb34ba2c540b5af533ee6d8a33a90/FLAG06ce03754 [2021-07-10 15:18:25,713 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 15:18:25,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i [2021-07-10 15:18:25,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9a77ded/bbcbb34ba2c540b5af533ee6d8a33a90/FLAG06ce03754 [2021-07-10 15:18:26,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9a77ded/bbcbb34ba2c540b5af533ee6d8a33a90 [2021-07-10 15:18:26,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:18:26,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 15:18:26,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 15:18:26,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 15:18:26,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 15:18:26,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474fe504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26, skipping insertion in model container [2021-07-10 15:18:26,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 15:18:26,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 15:18:26,254 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i[950,963] [2021-07-10 15:18:26,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 15:18:26,427 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 15:18:26,439 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.oepc.i[950,963] [2021-07-10 15:18:26,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 15:18:26,530 INFO L208 MainTranslator]: Completed translation [2021-07-10 15:18:26,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26 WrapperNode [2021-07-10 15:18:26,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 15:18:26,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:18:26,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:18:26,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:18:26,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:18:26,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:18:26,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:18:26,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:18:26,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... [2021-07-10 15:18:26,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:18:26,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:18:26,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:18:26,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:18:26,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:18:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 15:18:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 15:18:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 15:18:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 15:18:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-10 15:18:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-10 15:18:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-10 15:18:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-10 15:18:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-10 15:18:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-10 15:18:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 15:18:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 15:18:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:18:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:18:26,710 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 15:18:27,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:18:27,058 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-10 15:18:27,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:18:27 BoogieIcfgContainer [2021-07-10 15:18:27,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:18:27,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:18:27,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:18:27,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:18:27,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:18:26" (1/3) ... [2021-07-10 15:18:27,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7495b868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:18:27, skipping insertion in model container [2021-07-10 15:18:27,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:18:26" (2/3) ... [2021-07-10 15:18:27,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7495b868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:18:27, skipping insertion in model container [2021-07-10 15:18:27,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:18:27" (3/3) ... [2021-07-10 15:18:27,067 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_tso.oepc.i [2021-07-10 15:18:27,071 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:18:27,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:18:27,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 15:18:27,072 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:18:27,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,094 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,095 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,095 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,095 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,097 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,097 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,097 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,097 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,099 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,099 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,099 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,100 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,102 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,102 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,107 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,107 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,109 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,109 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 15:18:27,110 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 15:18:27,126 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 15:18:27,170 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:18:27,171 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:18:27,171 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:18:27,171 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:18:27,171 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:18:27,171 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:18:27,171 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:18:27,171 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 15:18:27,344 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Guarantee of compatibility failed at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:356) at java.base/java.util.TimSort.sort(TimSort.java:220) at java.base/java.util.Arrays.sort(Arrays.java:1515) at java.base/java.util.ArrayList.sort(ArrayList.java:1750) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:147) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:422) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-10 15:18:27,351 INFO L168 Benchmark]: Toolchain (without parser) took 1302.59 ms. Allocated memory is still 223.3 MB. Free memory was 187.7 MB in the beginning and 148.5 MB in the end (delta: 39.2 MB). Peak memory consumption was 40.3 MB. Max. memory is 8.0 GB. [2021-07-10 15:18:27,352 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 223.3 MB. Free memory is still 205.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 15:18:27,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.79 ms. Allocated memory is still 223.3 MB. Free memory was 187.4 MB in the beginning and 198.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 8.0 GB. [2021-07-10 15:18:27,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.47 ms. Allocated memory is still 223.3 MB. Free memory was 198.8 MB in the beginning and 196.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:18:27,354 INFO L168 Benchmark]: Boogie Preprocessor took 39.42 ms. Allocated memory is still 223.3 MB. Free memory was 196.7 MB in the beginning and 194.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:18:27,355 INFO L168 Benchmark]: RCFGBuilder took 430.92 ms. Allocated memory is still 223.3 MB. Free memory was 194.8 MB in the beginning and 171.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:18:27,356 INFO L168 Benchmark]: TraceAbstraction took 286.96 ms. Allocated memory is still 223.3 MB. Free memory was 170.5 MB in the beginning and 148.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-07-10 15:18:27,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 223.3 MB. Free memory is still 205.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 478.79 ms. Allocated memory is still 223.3 MB. Free memory was 187.4 MB in the beginning and 198.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.47 ms. Allocated memory is still 223.3 MB. Free memory was 198.8 MB in the beginning and 196.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.42 ms. Allocated memory is still 223.3 MB. Free memory was 196.7 MB in the beginning and 194.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 430.92 ms. Allocated memory is still 223.3 MB. Free memory was 194.8 MB in the beginning and 171.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 286.96 ms. Allocated memory is still 223.3 MB. Free memory was 170.5 MB in the beginning and 148.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...