/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-08 03:31:50,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-08 03:31:50,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-08 03:31:50,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-08 03:31:50,582 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-Random521.epf [2021-08-08 03:31:50,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-08 03:31:50,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-08 03:31:50,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-08 03:31:50,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-08 03:31:50,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-08 03:31:50,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-08 03:31:50,626 INFO L138 SettingsManager]: * Use SBE=true [2021-08-08 03:31:50,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-08 03:31:50,626 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-08 03:31:50,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-08 03:31:50,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-08 03:31:50,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 03:31:50,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-08 03:31:50,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-08 03:31:50,629 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-08 03:31:50,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-08 03:31:50,629 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-08 03:31:50,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-08 03:31:50,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-08 03:31:50,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-08 03:31:50,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-08 03:31:50,897 INFO L275 PluginConnector]: CDTParser initialized [2021-08-08 03:31:50,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i [2021-08-08 03:31:50,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7021366a0/b24659bac1774a1d92ff7f1368cb107b/FLAG88d044e46 [2021-08-08 03:31:51,366 INFO L306 CDTParser]: Found 1 translation units. [2021-08-08 03:31:51,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i [2021-08-08 03:31:51,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7021366a0/b24659bac1774a1d92ff7f1368cb107b/FLAG88d044e46 [2021-08-08 03:31:51,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7021366a0/b24659bac1774a1d92ff7f1368cb107b [2021-08-08 03:31:51,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-08 03:31:51,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-08 03:31:51,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-08 03:31:51,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-08 03:31:51,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-08 03:31:51,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4c1a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51, skipping insertion in model container [2021-08-08 03:31:51,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-08 03:31:51,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-08 03:31:51,655 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i[950,963] [2021-08-08 03:31:51,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 03:31:51,773 INFO L203 MainTranslator]: Completed pre-run [2021-08-08 03:31:51,785 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i[950,963] [2021-08-08 03:31:51,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 03:31:51,868 INFO L208 MainTranslator]: Completed translation [2021-08-08 03:31:51,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51 WrapperNode [2021-08-08 03:31:51,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-08 03:31:51,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-08 03:31:51,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-08 03:31:51,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-08 03:31:51,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-08 03:31:51,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-08 03:31:51,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-08 03:31:51,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-08 03:31:51,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-08 03:31:51,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-08 03:31:51,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-08 03:31:51,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-08 03:31:51,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (1/1) ... [2021-08-08 03:31:51,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 03:31:51,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 03:31:51,953 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) [2021-08-08 03:31:51,974 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 [2021-08-08 03:31:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-08 03:31:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-08 03:31:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-08 03:31:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-08 03:31:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-08 03:31:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-08 03:31:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-08 03:31:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-08 03:31:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-08 03:31:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-08 03:31:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-08 03:31:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-08 03:31:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-08 03:31:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-08 03:31:52,001 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-08 03:31:52,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-08 03:31:52,406 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-08 03:31:52,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:31:52 BoogieIcfgContainer [2021-08-08 03:31:52,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-08 03:31:52,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-08 03:31:52,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-08 03:31:52,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-08 03:31:52,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 03:31:51" (1/3) ... [2021-08-08 03:31:52,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd976fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:31:52, skipping insertion in model container [2021-08-08 03:31:52,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:31:51" (2/3) ... [2021-08-08 03:31:52,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd976fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:31:52, skipping insertion in model container [2021-08-08 03:31:52,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:31:52" (3/3) ... [2021-08-08 03:31:52,415 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_tso.oepc.i [2021-08-08 03:31:52,419 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-08 03:31:52,419 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-08 03:31:52,419 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-08 03:31:52,419 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-08 03:31:52,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,453 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,453 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,453 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,453 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,454 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,454 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,456 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,457 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,457 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,458 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,458 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,459 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,459 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,466 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,466 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,466 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,466 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,466 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,466 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,466 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,467 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,467 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,467 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,467 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,467 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,469 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,473 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,473 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,474 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,475 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:31:52,476 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-08 03:31:52,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-08 03:31:52,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 03:31:52,509 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) [2021-08-08 03:31:52,510 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 [2021-08-08 03:31:52,540 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-08 03:31:52,546 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, mConcurrency=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 [2021-08-08 03:31:52,546 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-08 03:31:52,699 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 03:31:52,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:31:52,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1082282539, now seen corresponding path program 1 times [2021-08-08 03:31:52,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:31:52,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544319929] [2021-08-08 03:31:52,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:31:52,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:31:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:31:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 03:31:52,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:31:52,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544319929] [2021-08-08 03:31:52,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544319929] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 03:31:52,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 03:31:52,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-08 03:31:52,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383951815] [2021-08-08 03:31:52,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-08 03:31:52,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:31:52,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-08 03:31:52,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-08 03:31:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:52,956 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:31:52,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-08-08 03:31:52,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:53,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 03:31:53,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-08 03:31:53,051 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 03:31:53,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:31:53,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1337319796, now seen corresponding path program 1 times [2021-08-08 03:31:53,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:31:53,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384454160] [2021-08-08 03:31:53,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:31:53,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:31:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:31:53,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 03:31:53,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:31:53,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384454160] [2021-08-08 03:31:53,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384454160] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 03:31:53,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 03:31:53,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-08 03:31:53,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407968969] [2021-08-08 03:31:53,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-08 03:31:53,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:31:53,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-08 03:31:53,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-08 03:31:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:53,187 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:31:53,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-08-08 03:31:53,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 03:31:53,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:53,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:53,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-08 03:31:53,497 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 03:31:53,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:31:53,497 INFO L82 PathProgramCache]: Analyzing trace with hash -801886714, now seen corresponding path program 1 times [2021-08-08 03:31:53,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:31:53,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796376704] [2021-08-08 03:31:53,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:31:53,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:31:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:31:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 03:31:53,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:31:53,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796376704] [2021-08-08 03:31:53,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796376704] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 03:31:53,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 03:31:53,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-08 03:31:53,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901290274] [2021-08-08 03:31:53,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-08 03:31:53,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:31:53,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-08 03:31:53,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-08 03:31:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:53,591 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:31:53,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-08-08 03:31:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:53,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-08 03:31:53,738 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 03:31:53,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:31:53,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1460940802, now seen corresponding path program 2 times [2021-08-08 03:31:53,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:31:53,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311586711] [2021-08-08 03:31:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:31:53,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:31:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:31:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 03:31:53,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:31:53,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311586711] [2021-08-08 03:31:53,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311586711] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 03:31:53,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 03:31:53,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-08 03:31:53,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630502434] [2021-08-08 03:31:53,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-08 03:31:53,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:31:53,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-08 03:31:53,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-08 03:31:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:53,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:31:53,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-08-08 03:31:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-08 03:31:54,010 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 03:31:54,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:31:54,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1730240002, now seen corresponding path program 3 times [2021-08-08 03:31:54,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:31:54,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007477614] [2021-08-08 03:31:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:31:54,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:31:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:31:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 03:31:54,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:31:54,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007477614] [2021-08-08 03:31:54,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007477614] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 03:31:54,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 03:31:54,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-08 03:31:54,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786959679] [2021-08-08 03:31:54,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-08 03:31:54,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:31:54,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-08 03:31:54,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-08 03:31:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:54,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:31:54,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-08-08 03:31:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:54,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:54,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:54,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-08 03:31:54,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-08 03:31:54,351 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 03:31:54,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:31:54,352 INFO L82 PathProgramCache]: Analyzing trace with hash 989251780, now seen corresponding path program 4 times [2021-08-08 03:31:54,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:31:54,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701462347] [2021-08-08 03:31:54,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:31:54,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:31:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:31:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 03:31:54,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:31:54,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701462347] [2021-08-08 03:31:54,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701462347] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 03:31:54,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 03:31:54,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-08 03:31:54,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5908551] [2021-08-08 03:31:54,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-08 03:31:54,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:31:54,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-08 03:31:54,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-08 03:31:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:54,441 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:31:54,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-08-08 03:31:54,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:54,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:54,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-08 03:31:54,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:31:54,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-08 03:31:54,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-08 03:31:54,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-08 03:31:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-08 03:31:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-08 03:31:54,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-08 03:31:54,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-08 03:31:54,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-08 03:31:54,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-08 03:31:54,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-08 03:31:54,984 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-08 03:31:54,984 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-08 03:31:54,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 03:31:54 BasicIcfg [2021-08-08 03:31:54,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-08 03:31:54,987 INFO L168 Benchmark]: Toolchain (without parser) took 3580.89 ms. Allocated memory was 188.7 MB in the beginning and 229.6 MB in the end (delta: 40.9 MB). Free memory was 152.3 MB in the beginning and 122.4 MB in the end (delta: 30.0 MB). Peak memory consumption was 71.2 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:54,987 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 188.7 MB. Free memory is still 170.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 03:31:54,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.12 ms. Allocated memory is still 188.7 MB. Free memory was 152.2 MB in the beginning and 162.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:54,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.74 ms. Allocated memory is still 188.7 MB. Free memory was 162.7 MB in the beginning and 160.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:54,988 INFO L168 Benchmark]: Boogie Preprocessor took 14.97 ms. Allocated memory is still 188.7 MB. Free memory was 160.6 MB in the beginning and 159.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:54,991 INFO L168 Benchmark]: RCFGBuilder took 477.85 ms. Allocated memory is still 188.7 MB. Free memory was 159.2 MB in the beginning and 135.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:54,991 INFO L168 Benchmark]: TraceAbstraction took 2574.93 ms. Allocated memory was 188.7 MB in the beginning and 229.6 MB in the end (delta: 40.9 MB). Free memory was 135.0 MB in the beginning and 122.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 54.4 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:54,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 188.7 MB. Free memory is still 170.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 455.12 ms. Allocated memory is still 188.7 MB. Free memory was 152.2 MB in the beginning and 162.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.74 ms. Allocated memory is still 188.7 MB. Free memory was 162.7 MB in the beginning and 160.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.97 ms. Allocated memory is still 188.7 MB. Free memory was 160.6 MB in the beginning and 159.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 477.85 ms. Allocated memory is still 188.7 MB. Free memory was 159.2 MB in the beginning and 135.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2574.93 ms. Allocated memory was 188.7 MB in the beginning and 229.6 MB in the end (delta: 40.9 MB). Free memory was 135.0 MB in the beginning and 122.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 54.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19335, positive: 18492, positive conditional: 17200, positive unconditional: 1292, negative: 843, negative conditional: 815, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18962, positive: 18492, positive conditional: 17200, positive unconditional: 1292, negative: 470, negative conditional: 442, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18962, positive: 18492, positive conditional: 17200, positive unconditional: 1292, negative: 470, negative conditional: 442, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21341, positive: 18492, positive conditional: 17155, positive unconditional: 1337, negative: 2849, negative conditional: 2379, negative unconditional: 470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21341, positive: 18492, positive conditional: 5265, positive unconditional: 13227, negative: 2849, negative conditional: 1052, negative unconditional: 1797, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21341, positive: 18492, positive conditional: 5265, positive unconditional: 13227, negative: 2849, negative conditional: 1052, negative unconditional: 1797, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1415, positive: 1331, positive conditional: 28, positive unconditional: 1303, negative: 84, negative conditional: 56, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1415, positive: 1299, positive conditional: 0, positive unconditional: 1299, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 84, negative conditional: 56, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 36, positive conditional: 26, positive unconditional: 10, negative: 129, negative conditional: 55, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21341, positive: 17161, positive conditional: 5237, positive unconditional: 11924, negative: 2765, negative conditional: 996, negative unconditional: 1769, unknown: 1415, unknown conditional: 84, unknown unconditional: 1331] , Statistics on independence cache: Total cache size (in pairs): 1415, Positive cache size: 1331, Positive conditional cache size: 28, Positive unconditional cache size: 1303, Negative cache size: 84, Negative conditional cache size: 56, Negative unconditional cache size: 28, Eliminated conditions: 13217, Maximal queried relation: 6, Independence queries for same thread: 373 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 250, Number of persistent set computation: 1976, Number of trivial persistent sets: 954, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1320, positive: 1292, positive conditional: 0, positive unconditional: 1292, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19335, positive: 18492, positive conditional: 17200, positive unconditional: 1292, negative: 843, negative conditional: 815, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18962, positive: 18492, positive conditional: 17200, positive unconditional: 1292, negative: 470, negative conditional: 442, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18962, positive: 18492, positive conditional: 17200, positive unconditional: 1292, negative: 470, negative conditional: 442, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21341, positive: 18492, positive conditional: 17155, positive unconditional: 1337, negative: 2849, negative conditional: 2379, negative unconditional: 470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21341, positive: 18492, positive conditional: 5265, positive unconditional: 13227, negative: 2849, negative conditional: 1052, negative unconditional: 1797, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21341, positive: 18492, positive conditional: 5265, positive unconditional: 13227, negative: 2849, negative conditional: 1052, negative unconditional: 1797, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1415, positive: 1331, positive conditional: 28, positive unconditional: 1303, negative: 84, negative conditional: 56, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1415, positive: 1299, positive conditional: 0, positive unconditional: 1299, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 84, negative conditional: 56, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 36, positive conditional: 26, positive unconditional: 10, negative: 129, negative conditional: 55, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21341, positive: 17161, positive conditional: 5237, positive unconditional: 11924, negative: 2765, negative conditional: 996, negative unconditional: 1769, unknown: 1415, unknown conditional: 84, unknown unconditional: 1331] , Statistics on independence cache: Total cache size (in pairs): 1415, Positive cache size: 1331, Positive conditional cache size: 28, Positive unconditional cache size: 1303, Negative cache size: 84, Negative conditional cache size: 56, Negative unconditional cache size: 28, Eliminated conditions: 13217, Maximal queried relation: 6, Independence queries for same thread: 373 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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, 106 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2480.7ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.8ms, PartialOrderReductionTime: 1616.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.4ms SsaConstructionTime, 92.1ms SatisfiabilityAnalysisTime, 582.0ms InterpolantComputationTime, 387 NumberOfCodeBlocks, 387 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 1090 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2021-08-08 03:31:55,027 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 [2021-08-08 03:31:55,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...