/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 02:56:06,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 02:56:06,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 02:56:06,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 02:56:06,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 02:56:06,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 02:56:06,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 02:56:06,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 02:56:06,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 02:56:06,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 02:56:06,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 02:56:06,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 02:56:06,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 02:56:06,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 02:56:06,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 02:56:06,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 02:56:06,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 02:56:06,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 02:56:06,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 02:56:06,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 02:56:06,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 02:56:06,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 02:56:06,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 02:56:06,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 02:56:06,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 02:56:06,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 02:56:06,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 02:56:06,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 02:56:06,724 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-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 02:56:06,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 02:56:06,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 02:56:06,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 02:56:06,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 02:56:06,752 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 02:56:06,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 02:56:06,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 02:56:06,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 02:56:06,753 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 02:56:06,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 02:56:06,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 02:56:06,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 02:56:06,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 02:56:06,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 02:56:06,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 02:56:06,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 02:56:06,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 02:56:06,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:56:06,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 02:56:06,756 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 02:56:06,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 02:56:06,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 02:56:07,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 02:56:07,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 02:56:07,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 02:56:07,006 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 02:56:07,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2022-02-11 02:56:07,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894171895/39f42e706efe480aa6f650a9a538af49/FLAG2313297fb [2022-02-11 02:56:07,409 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 02:56:07,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2022-02-11 02:56:07,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894171895/39f42e706efe480aa6f650a9a538af49/FLAG2313297fb [2022-02-11 02:56:07,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894171895/39f42e706efe480aa6f650a9a538af49 [2022-02-11 02:56:07,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 02:56:07,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 02:56:07,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 02:56:07,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 02:56:07,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 02:56:07,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:56:07" (1/1) ... [2022-02-11 02:56:07,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20acb569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:07, skipping insertion in model container [2022-02-11 02:56:07,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:56:07" (1/1) ... [2022-02-11 02:56:07,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 02:56:07,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 02:56:08,067 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/13-privatized_20-publish-regression_true.i[1095,1108] [2022-02-11 02:56:08,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:56:08,247 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 02:56:08,259 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/13-privatized_20-publish-regression_true.i[1095,1108] [2022-02-11 02:56:08,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:56:08,319 INFO L208 MainTranslator]: Completed translation [2022-02-11 02:56:08,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08 WrapperNode [2022-02-11 02:56:08,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 02:56:08,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 02:56:08,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 02:56:08,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 02:56:08,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,355 INFO L137 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-02-11 02:56:08,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 02:56:08,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 02:56:08,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 02:56:08,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 02:56:08,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 02:56:08,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 02:56:08,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 02:56:08,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 02:56:08,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (1/1) ... [2022-02-11 02:56:08,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:56:08,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:56:08,413 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) [2022-02-11 02:56:08,420 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 [2022-02-11 02:56:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 02:56:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 02:56:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 02:56:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 02:56:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 02:56:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-11 02:56:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-11 02:56:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 02:56:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 02:56:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 02:56:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 02:56:08,458 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 02:56:08,550 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 02:56:08,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 02:56:08,764 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 02:56:08,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 02:56:08,771 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 02:56:08,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:56:08 BoogieIcfgContainer [2022-02-11 02:56:08,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 02:56:08,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 02:56:08,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 02:56:08,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 02:56:08,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 02:56:07" (1/3) ... [2022-02-11 02:56:08,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afb27c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:56:08, skipping insertion in model container [2022-02-11 02:56:08,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:56:08" (2/3) ... [2022-02-11 02:56:08,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afb27c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:56:08, skipping insertion in model container [2022-02-11 02:56:08,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:56:08" (3/3) ... [2022-02-11 02:56:08,784 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2022-02-11 02:56:08,788 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 02:56:08,789 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 02:56:08,789 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-11 02:56:08,789 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 02:56:08,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,834 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,834 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,834 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,834 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,834 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,841 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,841 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,841 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:56:08,845 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-11 02:56:08,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:56:08,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:56:08,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:56:08,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 02:56:08,914 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-02-11 02:56:08,920 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=PARTIAL_ORDER_FA, 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 [2022-02-11 02:56:08,920 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:56:09,059 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:56:09,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:56:09,063 INFO L85 PathProgramCache]: Analyzing trace with hash -758870906, now seen corresponding path program 1 times [2022-02-11 02:56:09,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:56:09,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533449756] [2022-02-11 02:56:09,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:56:09,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:56:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:56:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:56:09,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:56:09,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533449756] [2022-02-11 02:56:09,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533449756] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:56:09,301 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:56:09,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 02:56:09,302 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148420081] [2022-02-11 02:56:09,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:56:09,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 02:56:09,306 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:56:09,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 02:56:09,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 02:56:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,325 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:56:09,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2022-02-11 02:56:09,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 02:56:09,347 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:56:09,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:56:09,350 INFO L85 PathProgramCache]: Analyzing trace with hash -875946487, now seen corresponding path program 1 times [2022-02-11 02:56:09,350 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:56:09,350 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725702530] [2022-02-11 02:56:09,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:56:09,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:56:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:56:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:56:09,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:56:09,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725702530] [2022-02-11 02:56:09,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725702530] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:56:09,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:56:09,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 02:56:09,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612565180] [2022-02-11 02:56:09,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:56:09,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 02:56:09,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:56:09,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 02:56:09,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 02:56:09,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,501 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:56:09,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2022-02-11 02:56:09,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 02:56:09,656 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:56:09,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 02:56:09,662 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-11 02:56:09,663 INFO L313 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2022-02-11 02:56:09,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:56:09,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:56:09,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:56:09,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-02-11 02:56:09,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:56:09,673 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=PARTIAL_ORDER_FA, 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 [2022-02-11 02:56:09,673 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 02:56:09,677 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:56:09,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:56:09,678 INFO L85 PathProgramCache]: Analyzing trace with hash -547127912, now seen corresponding path program 1 times [2022-02-11 02:56:09,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:56:09,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688584183] [2022-02-11 02:56:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:56:09,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:56:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:56:09,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:56:09,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:56:09,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688584183] [2022-02-11 02:56:09,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688584183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:56:09,726 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:56:09,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 02:56:09,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268417524] [2022-02-11 02:56:09,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:56:09,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 02:56:09,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:56:09,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 02:56:09,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 02:56:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,727 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:56:09,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-02-11 02:56:09,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:56:09,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 02:56:09,860 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:56:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:56:09,861 INFO L85 PathProgramCache]: Analyzing trace with hash -17853359, now seen corresponding path program 1 times [2022-02-11 02:56:09,861 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:56:09,861 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37262297] [2022-02-11 02:56:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:56:09,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:56:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:56:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:56:09,924 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:56:09,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37262297] [2022-02-11 02:56:09,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37262297] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:56:09,925 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:56:09,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 02:56:09,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704137679] [2022-02-11 02:56:09,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:56:09,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 02:56:09,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:56:09,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 02:56:09,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 02:56:09,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,926 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:56:09,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-02-11 02:56:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:56:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:56:09,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 02:56:09,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-11 02:56:09,991 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:56:09,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:56:09,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2107192234, now seen corresponding path program 1 times [2022-02-11 02:56:09,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:56:09,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197695423] [2022-02-11 02:56:09,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:56:09,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:56:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:56:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:56:10,131 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:56:10,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197695423] [2022-02-11 02:56:10,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197695423] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:56:10,132 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:56:10,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 02:56:10,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564135590] [2022-02-11 02:56:10,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:56:10,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 02:56:10,133 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:56:10,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 02:56:10,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 02:56:10,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:10,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:56:10,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2022-02-11 02:56:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:56:10,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 02:56:10,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:56:10,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:56:10,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 02:56:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 02:56:10,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 02:56:10,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-02-11 02:56:10,239 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 02:56:10,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-11 02:56:10,243 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-11 02:56:10,243 INFO L313 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2022-02-11 02:56:10,244 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 02:56:10,244 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 02:56:10,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 02:56:10 BasicIcfg [2022-02-11 02:56:10,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 02:56:10,249 INFO L158 Benchmark]: Toolchain (without parser) took 2446.64ms. Allocated memory was 182.5MB in the beginning and 265.3MB in the end (delta: 82.8MB). Free memory was 123.1MB in the beginning and 112.1MB in the end (delta: 10.9MB). Peak memory consumption was 95.3MB. Max. memory is 8.0GB. [2022-02-11 02:56:10,249 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 02:56:10,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.74ms. Allocated memory was 182.5MB in the beginning and 265.3MB in the end (delta: 82.8MB). Free memory was 122.8MB in the beginning and 229.1MB in the end (delta: -106.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-11 02:56:10,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.80ms. Allocated memory is still 265.3MB. Free memory was 229.1MB in the beginning and 227.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 02:56:10,254 INFO L158 Benchmark]: Boogie Preprocessor took 13.15ms. Allocated memory is still 265.3MB. Free memory was 227.0MB in the beginning and 225.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 02:56:10,255 INFO L158 Benchmark]: RCFGBuilder took 406.04ms. Allocated memory is still 265.3MB. Free memory was 225.4MB in the beginning and 212.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-11 02:56:10,255 INFO L158 Benchmark]: TraceAbstraction took 1471.89ms. Allocated memory is still 265.3MB. Free memory was 211.7MB in the beginning and 112.1MB in the end (delta: 99.6MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. [2022-02-11 02:56:10,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 509.74ms. Allocated memory was 182.5MB in the beginning and 265.3MB in the end (delta: 82.8MB). Free memory was 122.8MB in the beginning and 229.1MB in the end (delta: -106.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.80ms. Allocated memory is still 265.3MB. Free memory was 229.1MB in the beginning and 227.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.15ms. Allocated memory is still 265.3MB. Free memory was 227.0MB in the beginning and 225.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 406.04ms. Allocated memory is still 265.3MB. Free memory was 225.4MB in the beginning and 212.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1471.89ms. Allocated memory is still 265.3MB. Free memory was 211.7MB in the beginning and 112.1MB in the end (delta: 99.6MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 742, positive: 715, positive conditional: 118, positive unconditional: 597, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 733, positive: 715, positive conditional: 118, positive unconditional: 597, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 733, positive: 715, positive conditional: 118, positive unconditional: 597, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 735, positive: 715, positive conditional: 46, positive unconditional: 669, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 735, positive: 715, positive conditional: 14, positive unconditional: 701, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 735, positive: 715, positive conditional: 14, positive unconditional: 701, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 610, positive: 597, positive conditional: 0, positive unconditional: 597, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 610, positive: 590, positive conditional: 0, positive unconditional: 590, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 735, positive: 118, positive conditional: 14, positive unconditional: 104, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 610, unknown conditional: 0, unknown unconditional: 610] , Statistics on independence cache: Total cache size (in pairs): 610, Positive cache size: 597, Positive conditional cache size: 0, Positive unconditional cache size: 597, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 34, Maximal queried relation: 1, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 126, Number of trivial persistent sets: 88, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 610, positive: 597, positive conditional: 0, positive unconditional: 597, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 742, positive: 715, positive conditional: 118, positive unconditional: 597, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 733, positive: 715, positive conditional: 118, positive unconditional: 597, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 733, positive: 715, positive conditional: 118, positive unconditional: 597, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 735, positive: 715, positive conditional: 46, positive unconditional: 669, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 735, positive: 715, positive conditional: 14, positive unconditional: 701, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 735, positive: 715, positive conditional: 14, positive unconditional: 701, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 610, positive: 597, positive conditional: 0, positive unconditional: 597, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 610, positive: 590, positive conditional: 0, positive unconditional: 590, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 735, positive: 118, positive conditional: 14, positive unconditional: 104, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 610, unknown conditional: 0, unknown unconditional: 610] , Statistics on independence cache: Total cache size (in pairs): 610, Positive cache size: 597, Positive conditional cache size: 0, Positive unconditional cache size: 597, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 34, Maximal queried relation: 1, Independence queries for same thread: 9 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 888, positive: 855, positive conditional: 210, positive unconditional: 645, negative: 33, negative conditional: 20, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 871, positive: 855, positive conditional: 210, positive unconditional: 645, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 871, positive: 855, positive conditional: 210, positive unconditional: 645, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 876, positive: 855, positive conditional: 207, positive unconditional: 648, negative: 21, negative conditional: 5, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 876, positive: 855, positive conditional: 127, positive unconditional: 728, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 876, positive: 855, positive conditional: 127, positive unconditional: 728, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 663, positive: 647, positive conditional: 2, positive unconditional: 645, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 663, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 53, positive conditional: 5, positive unconditional: 48, negative: 33, negative conditional: 9, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 876, positive: 208, positive conditional: 125, positive unconditional: 83, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 663, unknown conditional: 5, unknown unconditional: 658] , Statistics on independence cache: Total cache size (in pairs): 663, Positive cache size: 647, Positive conditional cache size: 2, Positive unconditional cache size: 645, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Eliminated conditions: 82, Maximal queried relation: 2, Independence queries for same thread: 17 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 205, Number of trivial persistent sets: 205, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 658, positive: 645, positive conditional: 0, positive unconditional: 645, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 888, positive: 855, positive conditional: 210, positive unconditional: 645, negative: 33, negative conditional: 20, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 871, positive: 855, positive conditional: 210, positive unconditional: 645, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 871, positive: 855, positive conditional: 210, positive unconditional: 645, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 876, positive: 855, positive conditional: 207, positive unconditional: 648, negative: 21, negative conditional: 5, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 876, positive: 855, positive conditional: 127, positive unconditional: 728, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 876, positive: 855, positive conditional: 127, positive unconditional: 728, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 663, positive: 647, positive conditional: 2, positive unconditional: 645, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 663, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 53, positive conditional: 5, positive unconditional: 48, negative: 33, negative conditional: 9, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 876, positive: 208, positive conditional: 125, positive unconditional: 83, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 663, unknown conditional: 5, unknown unconditional: 658] , Statistics on independence cache: Total cache size (in pairs): 663, Positive cache size: 647, Positive conditional cache size: 2, Positive unconditional cache size: 645, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Eliminated conditions: 82, Maximal queried relation: 2, Independence queries for same thread: 17 - 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 114 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 114 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 0.2s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-11 02:56:10,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-02-11 02:56:10,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-11 02:56:10,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...