/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 13:42:43,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 13:42:43,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 13:42:43,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 13:42:43,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 13:42:43,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 13:42:43,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 13:42:43,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 13:42:43,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 13:42:43,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 13:42:43,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 13:42:43,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 13:42:43,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 13:42:43,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 13:42:43,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 13:42:43,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 13:42:43,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 13:42:43,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 13:42:43,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 13:42:43,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 13:42:43,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 13:42:43,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 13:42:43,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 13:42:43,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 13:42:43,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 13:42:43,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 13:42:43,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 13:42:43,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 13:42:43,074 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-Random42.epf [2021-07-10 13:42:43,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 13:42:43,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 13:42:43,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 13:42:43,102 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 13:42:43,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 13:42:43,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 13:42:43,103 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 13:42:43,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 13:42:43,104 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 13:42:43,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 13:42:43,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 13:42:43,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 13:42:43,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 13:42:43,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 13:42:43,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 13:42:43,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 13:42:43,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 13:42:43,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 13:42:43,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 13:42:43,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 13:42:43,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 13:42:43,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 13:42:43,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 13:42:43,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:42:43,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 13:42:43,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 13:42:43,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 13:42:43,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 13:42:43,107 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 13:42:43,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 13:42:43,107 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 13:42:43,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 13:42:43,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 13:42:43,108 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 13:42:43,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 13:42:43,108 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 13:42:43,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 13:42:43,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 13:42:43,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 13:42:43,436 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 13:42:43,437 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 13:42:43,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-07-10 13:42:43,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef9acda5/f5d52130d37b4a9084e3c6a935e3f09c/FLAG9931f070c [2021-07-10 13:42:44,027 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 13:42:44,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-07-10 13:42:44,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef9acda5/f5d52130d37b4a9084e3c6a935e3f09c/FLAG9931f070c [2021-07-10 13:42:44,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef9acda5/f5d52130d37b4a9084e3c6a935e3f09c [2021-07-10 13:42:44,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 13:42:44,351 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 13:42:44,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 13:42:44,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 13:42:44,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 13:42:44,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d89969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44, skipping insertion in model container [2021-07-10 13:42:44,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 13:42:44,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 13:42:44,525 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-atomic/gcd-2.i[938,951] [2021-07-10 13:42:44,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 13:42:44,694 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 13:42:44,708 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-atomic/gcd-2.i[938,951] [2021-07-10 13:42:44,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 13:42:44,776 INFO L208 MainTranslator]: Completed translation [2021-07-10 13:42:44,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44 WrapperNode [2021-07-10 13:42:44,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 13:42:44,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 13:42:44,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 13:42:44,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 13:42:44,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 13:42:44,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 13:42:44,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 13:42:44,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 13:42:44,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (1/1) ... [2021-07-10 13:42:44,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 13:42:44,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 13:42:44,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 13:42:44,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 13:42:44,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (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 13:42:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-10 13:42:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 13:42:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 13:42:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 13:42:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-07-10 13:42:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-07-10 13:42:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-07-10 13:42:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-07-10 13:42:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 13:42:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 13:42:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 13:42:44,912 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 13:42:45,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 13:42:45,348 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-07-10 13:42:45,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:42:45 BoogieIcfgContainer [2021-07-10 13:42:45,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 13:42:45,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 13:42:45,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 13:42:45,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 13:42:45,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 01:42:44" (1/3) ... [2021-07-10 13:42:45,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5685d3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:42:45, skipping insertion in model container [2021-07-10 13:42:45,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:44" (2/3) ... [2021-07-10 13:42:45,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5685d3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:42:45, skipping insertion in model container [2021-07-10 13:42:45,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:42:45" (3/3) ... [2021-07-10 13:42:45,359 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-07-10 13:42:45,364 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 13:42:45,365 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 13:42:45,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-10 13:42:45,366 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 13:42:45,402 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,403 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,403 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,403 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,404 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,404 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,405 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,405 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,405 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,405 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,406 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,406 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,406 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,406 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,406 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,407 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,407 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,407 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,407 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,407 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,408 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,408 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,409 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,409 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,411 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,411 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,411 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,412 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,414 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,414 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,415 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,415 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:45,423 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 13:42:45,450 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 13:42:45,516 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:42:45,517 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:42:45,517 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:42:45,517 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:42:45,517 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:42:45,517 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:42:45,518 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:42:45,518 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:42:45,745 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:45,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:45,751 INFO L82 PathProgramCache]: Analyzing trace with hash 411232962, now seen corresponding path program 1 times [2021-07-10 13:42:45,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:45,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673485447] [2021-07-10 13:42:45,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 13:42:45,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:45,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673485447] [2021-07-10 13:42:45,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673485447] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:42:45,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:42:45,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 13:42:45,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382469561] [2021-07-10 13:42:45,961 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 13:42:45,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:45,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 13:42:45,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 13:42:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:45,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:45,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 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) [2021-07-10 13:42:45,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:46,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 13:42:46,007 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:46,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:46,010 INFO L82 PathProgramCache]: Analyzing trace with hash -987771332, now seen corresponding path program 1 times [2021-07-10 13:42:46,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:46,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213875442] [2021-07-10 13:42:46,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:46,070 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-10 13:42:46,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819367013] [2021-07-10 13:42:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:55:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:55:18,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-10 13:55:18,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:55:19,365 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-07-10 13:55:31,622 WARN L205 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 79 DAG size of output: 52 [2021-07-10 13:55:36,582 WARN L205 SmtUtils]: Spent 4.59 s on a formula simplification that was a NOOP. DAG size: 55 Received shutdown request... [2021-07-10 13:57:22,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:22,805 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-10 13:57:22,810 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 13:57:22,811 WARN L196 ceAbstractionStarter]: Timeout [2021-07-10 13:57:22,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 01:57:22 BasicIcfg [2021-07-10 13:57:22,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 13:57:22,812 INFO L168 Benchmark]: Toolchain (without parser) took 878461.50 ms. Allocated memory was 183.5 MB in the beginning and 540.0 MB in the end (delta: 356.5 MB). Free memory was 147.0 MB in the beginning and 238.4 MB in the end (delta: -91.3 MB). Peak memory consumption was 318.3 MB. Max. memory is 8.0 GB. [2021-07-10 13:57:22,813 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 183.5 MB. Free memory is still 165.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 13:57:22,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.73 ms. Allocated memory is still 183.5 MB. Free memory was 146.7 MB in the beginning and 158.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. [2021-07-10 13:57:22,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.79 ms. Allocated memory is still 183.5 MB. Free memory was 158.6 MB in the beginning and 156.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:57:22,813 INFO L168 Benchmark]: Boogie Preprocessor took 23.01 ms. Allocated memory is still 183.5 MB. Free memory was 156.0 MB in the beginning and 154.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:57:22,813 INFO L168 Benchmark]: RCFGBuilder took 512.89 ms. Allocated memory is still 183.5 MB. Free memory was 154.4 MB in the beginning and 121.3 MB in the end (delta: 33.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2021-07-10 13:57:22,814 INFO L168 Benchmark]: TraceAbstraction took 877457.81 ms. Allocated memory was 183.5 MB in the beginning and 540.0 MB in the end (delta: 356.5 MB). Free memory was 120.8 MB in the beginning and 238.4 MB in the end (delta: -117.5 MB). Peak memory consumption was 291.9 MB. Max. memory is 8.0 GB. [2021-07-10 13:57:22,814 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 183.5 MB. Free memory is still 165.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 422.73 ms. Allocated memory is still 183.5 MB. Free memory was 146.7 MB in the beginning and 158.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.79 ms. Allocated memory is still 183.5 MB. Free memory was 158.6 MB in the beginning and 156.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.01 ms. Allocated memory is still 183.5 MB. Free memory was 156.0 MB in the beginning and 154.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 512.89 ms. Allocated memory is still 183.5 MB. Free memory was 154.4 MB in the beginning and 121.3 MB in the end (delta: 33.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 877457.81 ms. Allocated memory was 183.5 MB in the beginning and 540.0 MB in the end (delta: 356.5 MB). Free memory was 120.8 MB in the beginning and 238.4 MB in the end (delta: -117.5 MB). Peak memory consumption was 291.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3158, positive: 3045, positive conditional: 138, positive unconditional: 2907, negative: 113, negative conditional: 89, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3078, positive: 3045, positive conditional: 138, positive unconditional: 2907, negative: 33, negative conditional: 9, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3078, positive: 3045, positive conditional: 0, positive unconditional: 3045, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1199, positive: 1189, positive conditional: 0, positive unconditional: 1189, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1199, positive: 1186, positive conditional: 0, positive unconditional: 1186, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3078, positive: 1856, positive conditional: 0, positive unconditional: 1856, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 1199, unknown conditional: 0, unknown unconditional: 1199] , Statistics on independence cache: Total cache size (in pairs): 1199, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1199, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 5 ], Maximal queried relation: 1, Independence queries for same thread: 80 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 169, Number of persistent set computation: 121, Number of trivial persistent sets: 121, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3158, positive: 3045, positive conditional: 138, positive unconditional: 2907, negative: 113, negative conditional: 89, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3078, positive: 3045, positive conditional: 138, positive unconditional: 2907, negative: 33, negative conditional: 9, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3078, positive: 3045, positive conditional: 0, positive unconditional: 3045, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1199, positive: 1189, positive conditional: 0, positive unconditional: 1189, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1199, positive: 1186, positive conditional: 0, positive unconditional: 1186, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3078, positive: 1856, positive conditional: 0, positive unconditional: 1856, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 1199, unknown conditional: 0, unknown unconditional: 1199] , Statistics on independence cache: Total cache size (in pairs): 1199, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1199, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 5 ], Maximal queried relation: 1, Independence queries for same thread: 80 - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 472 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 472 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 472 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 877338.3ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.3ms, PartialOrderReductionTime: 235.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.2ms SsaConstructionTime, 36.0ms SatisfiabilityAnalysisTime, 79.9ms InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 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 could not prove your program: Timeout Completed graceful shutdown