/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 01:29:26,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 01:29:26,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 01:29:26,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 01:29:26,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 01:29:26,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 01:29:26,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 01:29:26,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 01:29:26,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 01:29:26,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 01:29:26,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 01:29:26,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 01:29:26,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 01:29:26,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 01:29:26,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 01:29:26,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 01:29:26,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 01:29:26,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 01:29:26,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 01:29:26,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 01:29:26,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 01:29:26,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 01:29:26,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 01:29:26,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 01:29:26,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 01:29:26,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 01:29:26,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 01:29:26,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 01:29:26,712 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-Lockstep.epf [2021-11-14 01:29:26,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 01:29:26,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 01:29:26,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 01:29:26,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 01:29:26,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 01:29:26,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 01:29:26,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 01:29:26,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 01:29:26,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 01:29:26,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 01:29:26,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 01:29:26,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 01:29:26,758 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-11-14 01:29:26,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 01:29:26,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 01:29:26,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 01:29:26,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 01:29:26,758 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 01:29:26,758 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 01:29:26,758 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 01:29:26,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 01:29:26,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 01:29:26,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 01:29:26,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 01:29:26,935 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 01:29:26,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2021-11-14 01:29:26,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0122601/24d14cad2d0e4e6890070814c09dba5f/FLAGb4e569a8e [2021-11-14 01:29:27,417 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 01:29:27,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2021-11-14 01:29:27,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0122601/24d14cad2d0e4e6890070814c09dba5f/FLAGb4e569a8e [2021-11-14 01:29:27,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0122601/24d14cad2d0e4e6890070814c09dba5f [2021-11-14 01:29:27,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 01:29:27,452 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 01:29:27,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 01:29:27,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 01:29:27,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 01:29:27,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efc1df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27, skipping insertion in model container [2021-11-14 01:29:27,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 01:29:27,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 01:29:27,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2021-11-14 01:29:27,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 01:29:27,804 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 01:29:27,813 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2021-11-14 01:29:27,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 01:29:27,859 INFO L208 MainTranslator]: Completed translation [2021-11-14 01:29:27,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27 WrapperNode [2021-11-14 01:29:27,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 01:29:27,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 01:29:27,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 01:29:27,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 01:29:27,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 01:29:27,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 01:29:27,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 01:29:27,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 01:29:27,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 01:29:27,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 01:29:27,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 01:29:27,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 01:29:27,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (1/1) ... [2021-11-14 01:29:27,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 01:29:27,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 01:29:27,965 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) [2021-11-14 01:29:27,966 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 [2021-11-14 01:29:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 01:29:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 01:29:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 01:29:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 01:29:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 01:29:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-14 01:29:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-14 01:29:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-14 01:29:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-14 01:29:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-14 01:29:28,005 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-14 01:29:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 01:29:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 01:29:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 01:29:28,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 01:29:28,006 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 01:29:28,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 01:29:28,256 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 01:29:28,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 01:29:28 BoogieIcfgContainer [2021-11-14 01:29:28,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 01:29:28,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 01:29:28,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 01:29:28,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 01:29:28,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 01:29:27" (1/3) ... [2021-11-14 01:29:28,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bed6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 01:29:28, skipping insertion in model container [2021-11-14 01:29:28,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:27" (2/3) ... [2021-11-14 01:29:28,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bed6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 01:29:28, skipping insertion in model container [2021-11-14 01:29:28,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 01:29:28" (3/3) ... [2021-11-14 01:29:28,265 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2021-11-14 01:29:28,267 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 01:29:28,268 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 01:29:28,268 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 01:29:28,268 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 01:29:28,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,291 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,291 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,291 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,291 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,293 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,293 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,294 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,294 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,294 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,294 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,294 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,294 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,295 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,295 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,295 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,295 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,296 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,296 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,296 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,296 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,297 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,297 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,297 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,297 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,298 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,298 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,298 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,298 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,302 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,302 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,304 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,304 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,304 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,305 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,306 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,306 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,306 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,307 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 01:29:28,308 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 01:29:28,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 01:29:28,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 01:29:28,341 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) [2021-11-14 01:29:28,342 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 [2021-11-14 01:29:28,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 01:29:28,367 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 [2021-11-14 01:29:28,367 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-14 01:29:28,519 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 01:29:28,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 01:29:28,522 INFO L85 PathProgramCache]: Analyzing trace with hash -152356869, now seen corresponding path program 1 times [2021-11-14 01:29:28,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 01:29:28,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132857515] [2021-11-14 01:29:28,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 01:29:28,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 01:29:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 01:29:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 01:29:28,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 01:29:28,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132857515] [2021-11-14 01:29:28,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132857515] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 01:29:28,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 01:29:28,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 01:29:28,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598216433] [2021-11-14 01:29:28,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 01:29:28,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 01:29:28,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 01:29:28,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 01:29:28,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 01:29:28,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:28,756 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 01:29:28,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 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) [2021-11-14 01:29:28,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:28,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:28,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 01:29:28,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 01:29:28,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 01:29:28,775 INFO L85 PathProgramCache]: Analyzing trace with hash 719389011, now seen corresponding path program 1 times [2021-11-14 01:29:28,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 01:29:28,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106189740] [2021-11-14 01:29:28,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 01:29:28,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 01:29:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 01:29:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 01:29:28,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 01:29:28,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106189740] [2021-11-14 01:29:28,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106189740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 01:29:28,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 01:29:28,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 01:29:28,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179554374] [2021-11-14 01:29:28,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 01:29:28,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 01:29:28,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 01:29:28,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 01:29:28,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-14 01:29:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:28,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 01:29:28,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2021-11-14 01:29:28,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:28,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:29,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:29,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 01:29:29,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 01:29:29,260 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 01:29:29,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 01:29:29,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1060689081, now seen corresponding path program 2 times [2021-11-14 01:29:29,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 01:29:29,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163269207] [2021-11-14 01:29:29,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 01:29:29,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 01:29:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 01:29:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 01:29:29,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 01:29:29,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163269207] [2021-11-14 01:29:29,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163269207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 01:29:29,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 01:29:29,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 01:29:29,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429703849] [2021-11-14 01:29:29,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 01:29:29,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 01:29:29,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 01:29:29,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 01:29:29,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 01:29:29,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:29,338 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 01:29:29,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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) [2021-11-14 01:29:29,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:29,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 01:29:29,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 01:29:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 01:29:29,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 01:29:29,848 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 01:29:29,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 01:29:29,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2019089009, now seen corresponding path program 3 times [2021-11-14 01:29:29,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 01:29:29,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060312330] [2021-11-14 01:29:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 01:29:29,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 01:29:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 01:29:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 01:29:29,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 01:29:29,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060312330] [2021-11-14 01:29:29,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060312330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 01:29:29,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 01:29:29,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 01:29:29,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984817093] [2021-11-14 01:29:29,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 01:29:29,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 01:29:29,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 01:29:29,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 01:29:29,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 01:29:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:29,998 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 01:29:29,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2021-11-14 01:29:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 01:29:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 01:29:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 01:29:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 01:29:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 01:29:30,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 01:29:30,093 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 01:29:30,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 01:29:30,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1843912335, now seen corresponding path program 4 times [2021-11-14 01:29:30,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 01:29:30,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056074122] [2021-11-14 01:29:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 01:29:30,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 01:29:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 01:29:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 01:29:30,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 01:29:30,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056074122] [2021-11-14 01:29:30,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056074122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 01:29:30,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 01:29:30,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 01:29:30,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150755236] [2021-11-14 01:29:30,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 01:29:30,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 01:29:30,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 01:29:30,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 01:29:30,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-14 01:29:30,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:30,172 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 01:29:30,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2021-11-14 01:29:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 01:29:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 01:29:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 01:29:30,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 01:29:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 01:29:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 01:29:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 01:29:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 01:29:30,522 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-14 01:29:30,522 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-14 01:29:30,523 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-14 01:29:30,523 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-14 01:29:30,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 01:29:30,531 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1] [2021-11-14 01:29:30,532 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 01:29:30,532 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 01:29:30,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 01:29:30 BasicIcfg [2021-11-14 01:29:30,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 01:29:30,535 INFO L158 Benchmark]: Toolchain (without parser) took 3082.85ms. Allocated memory was 343.9MB in the beginning and 478.2MB in the end (delta: 134.2MB). Free memory was 290.8MB in the beginning and 259.2MB in the end (delta: 31.6MB). Peak memory consumption was 167.7MB. Max. memory is 16.0GB. [2021-11-14 01:29:30,539 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 343.9MB. Free memory is still 309.2MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 01:29:30,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.78ms. Allocated memory is still 343.9MB. Free memory was 290.7MB in the beginning and 307.2MB in the end (delta: -16.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.0GB. [2021-11-14 01:29:30,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.77ms. Allocated memory is still 343.9MB. Free memory was 307.2MB in the beginning and 305.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 01:29:30,544 INFO L158 Benchmark]: Boogie Preprocessor took 40.00ms. Allocated memory is still 343.9MB. Free memory was 305.6MB in the beginning and 304.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 01:29:30,544 INFO L158 Benchmark]: RCFGBuilder took 313.95ms. Allocated memory is still 343.9MB. Free memory was 303.9MB in the beginning and 291.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2021-11-14 01:29:30,544 INFO L158 Benchmark]: TraceAbstraction took 2276.66ms. Allocated memory was 343.9MB in the beginning and 478.2MB in the end (delta: 134.2MB). Free memory was 291.3MB in the beginning and 259.2MB in the end (delta: 32.1MB). Peak memory consumption was 168.4MB. Max. memory is 16.0GB. [2021-11-14 01:29:30,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 343.9MB. Free memory is still 309.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 405.78ms. Allocated memory is still 343.9MB. Free memory was 290.7MB in the beginning and 307.2MB in the end (delta: -16.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.77ms. Allocated memory is still 343.9MB. Free memory was 307.2MB in the beginning and 305.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 40.00ms. Allocated memory is still 343.9MB. Free memory was 305.6MB in the beginning and 304.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 313.95ms. Allocated memory is still 343.9MB. Free memory was 303.9MB in the beginning and 291.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 2276.66ms. Allocated memory was 343.9MB in the beginning and 478.2MB in the end (delta: 134.2MB). Free memory was 291.3MB in the beginning and 259.2MB in the end (delta: 32.1MB). Peak memory consumption was 168.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49508, positive: 48339, positive conditional: 46853, positive unconditional: 1486, negative: 1169, negative conditional: 1142, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48729, positive: 48339, positive conditional: 46853, positive unconditional: 1486, negative: 390, negative conditional: 363, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48729, positive: 48339, positive conditional: 46853, positive unconditional: 1486, negative: 390, negative conditional: 363, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49436, positive: 48339, positive conditional: 46703, positive unconditional: 1636, negative: 1097, negative conditional: 707, negative unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49436, positive: 48339, positive conditional: 18690, positive unconditional: 29649, negative: 1097, negative conditional: 144, negative unconditional: 953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49436, positive: 48339, positive conditional: 18690, positive unconditional: 29649, negative: 1097, negative conditional: 144, negative unconditional: 953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1562, positive: 1522, positive conditional: 18, positive unconditional: 1504, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1562, positive: 1498, positive conditional: 0, positive unconditional: 1498, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 87, negative conditional: 11, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49436, positive: 46817, positive conditional: 18672, positive unconditional: 28145, negative: 1057, negative conditional: 131, negative unconditional: 926, unknown: 1562, unknown conditional: 31, unknown unconditional: 1531] , Statistics on independence cache: Total cache size (in pairs): 1562, Positive cache size: 1522, Positive conditional cache size: 18, Positive unconditional cache size: 1504, Negative cache size: 40, Negative conditional cache size: 13, Negative unconditional cache size: 27, Eliminated conditions: 28576, Maximal queried relation: 4, Independence queries for same thread: 779 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 318.38ms, Number of persistent set computation: 4414, Number of trivial persistent sets: 4075, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1513, positive: 1486, positive conditional: 0, positive unconditional: 1486, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49508, positive: 48339, positive conditional: 46853, positive unconditional: 1486, negative: 1169, negative conditional: 1142, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48729, positive: 48339, positive conditional: 46853, positive unconditional: 1486, negative: 390, negative conditional: 363, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48729, positive: 48339, positive conditional: 46853, positive unconditional: 1486, negative: 390, negative conditional: 363, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49436, positive: 48339, positive conditional: 46703, positive unconditional: 1636, negative: 1097, negative conditional: 707, negative unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49436, positive: 48339, positive conditional: 18690, positive unconditional: 29649, negative: 1097, negative conditional: 144, negative unconditional: 953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49436, positive: 48339, positive conditional: 18690, positive unconditional: 29649, negative: 1097, negative conditional: 144, negative unconditional: 953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1562, positive: 1522, positive conditional: 18, positive unconditional: 1504, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1562, positive: 1498, positive conditional: 0, positive unconditional: 1498, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, positive: 35, positive conditional: 20, positive unconditional: 15, negative: 87, negative conditional: 11, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49436, positive: 46817, positive conditional: 18672, positive unconditional: 28145, negative: 1057, negative conditional: 131, negative unconditional: 926, unknown: 1562, unknown conditional: 31, unknown unconditional: 1531] , Statistics on independence cache: Total cache size (in pairs): 1562, Positive cache size: 1522, Positive conditional cache size: 18, Positive unconditional cache size: 1504, Negative cache size: 40, Negative conditional cache size: 13, Negative unconditional cache size: 27, Eliminated conditions: 28576, Maximal queried relation: 4, Independence queries for same thread: 779 - 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: 18]: 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: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 115 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 0.5s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 1213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-14 01:29:30,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-14 01:29:30,783 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...