/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 22:07:58,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 22:07:58,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 22:07:58,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 22:07:58,437 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.epf [2021-08-22 22:07:58,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 22:07:58,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 22:07:58,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 22:07:58,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 22:07:58,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 22:07:58,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 22:07:58,471 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 22:07:58,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 22:07:58,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 22:07:58,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 22:07:58,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 22:07:58,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 22:07:58,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 22:07:58,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 22:07:58,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 22:07:58,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 22:07:58,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 22:07:58,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 22:07:58,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 22:07:58,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 22:07:58,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 22:07:58,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 22:07:58,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 22:07:58,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 22:07:58,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 22:07:58,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 22:07:58,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 22:07:58,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 22:07:58,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 22:07:58,474 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 22:07:58,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 22:07:58,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 22:07:58,474 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 22:07:58,475 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-22 22:07:58,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 22:07:58,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 22:07:58,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 22:07:58,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 22:07:58,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 22:07:58,762 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 22:07:58,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.opt.i [2021-08-22 22:07:58,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b64f5f5/b6b5b6f2ac4f4b83bd46c5225283834a/FLAG4cafb565c [2021-08-22 22:07:59,177 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 22:07:59,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.opt.i [2021-08-22 22:07:59,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b64f5f5/b6b5b6f2ac4f4b83bd46c5225283834a/FLAG4cafb565c [2021-08-22 22:07:59,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b64f5f5/b6b5b6f2ac4f4b83bd46c5225283834a [2021-08-22 22:07:59,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 22:07:59,551 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 22:07:59,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 22:07:59,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 22:07:59,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 22:07:59,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c08c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59, skipping insertion in model container [2021-08-22 22:07:59,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 22:07:59,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 22:07:59,690 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/safe013_tso.opt.i[949,962] [2021-08-22 22:07:59,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 22:07:59,830 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 22:07:59,837 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/safe013_tso.opt.i[949,962] [2021-08-22 22:07:59,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 22:07:59,885 INFO L208 MainTranslator]: Completed translation [2021-08-22 22:07:59,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59 WrapperNode [2021-08-22 22:07:59,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 22:07:59,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 22:07:59,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 22:07:59,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 22:07:59,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 22:07:59,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 22:07:59,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 22:07:59,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 22:07:59,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 22:07:59,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 22:07:59,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 22:07:59,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 22:07:59,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (1/1) ... [2021-08-22 22:07:59,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 22:07:59,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 22:07:59,989 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) [2021-08-22 22:08:00,000 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 [2021-08-22 22:08:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 22:08:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-22 22:08:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 22:08:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 22:08:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-22 22:08:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-22 22:08:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-22 22:08:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-22 22:08:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-22 22:08:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-22 22:08:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 22:08:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-22 22:08:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 22:08:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 22:08:00,027 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 22:08:00,308 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 22:08:00,309 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-22 22:08:00,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:08:00 BoogieIcfgContainer [2021-08-22 22:08:00,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 22:08:00,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 22:08:00,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 22:08:00,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 22:08:00,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:07:59" (1/3) ... [2021-08-22 22:08:00,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29eca51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:08:00, skipping insertion in model container [2021-08-22 22:08:00,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:59" (2/3) ... [2021-08-22 22:08:00,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29eca51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:08:00, skipping insertion in model container [2021-08-22 22:08:00,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:08:00" (3/3) ... [2021-08-22 22:08:00,315 INFO L111 eAbstractionObserver]: Analyzing ICFG safe013_tso.opt.i [2021-08-22 22:08:00,319 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 22:08:00,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 22:08:00,319 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 22:08:00,319 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 22:08:00,345 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,346 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,346 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,346 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,346 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,347 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,348 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,348 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,348 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,349 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,349 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,350 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,350 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,353 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,353 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,353 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,353 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,358 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,361 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,361 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:08:00,364 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 22:08:00,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 22:08:00,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 22:08:00,413 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) [2021-08-22 22:08:00,417 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 [2021-08-22 22:08:00,442 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 22:08:00,446 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 [2021-08-22 22:08:00,446 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 22:08:00,594 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:08:00,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:08:00,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1450172645, now seen corresponding path program 1 times [2021-08-22 22:08:00,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:08:00,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243241816] [2021-08-22 22:08:00,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:08:00,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:08:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:08:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:08:00,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:08:00,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243241816] [2021-08-22 22:08:00,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243241816] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:08:00,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:08:00,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 22:08:00,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984288492] [2021-08-22 22:08:00,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 22:08:00,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:08:00,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 22:08:00,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 22:08:00,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:00,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:08:00,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2021-08-22 22:08:00,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:00,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:00,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 22:08:00,840 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:08:00,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:08:00,842 INFO L82 PathProgramCache]: Analyzing trace with hash -2060294953, now seen corresponding path program 1 times [2021-08-22 22:08:00,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:08:00,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195989188] [2021-08-22 22:08:00,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:08:00,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:08:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:08:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:08:01,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:08:01,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195989188] [2021-08-22 22:08:01,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195989188] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:08:01,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:08:01,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 22:08:01,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540228700] [2021-08-22 22:08:01,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 22:08:01,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:08:01,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 22:08:01,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 22:08:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,070 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:08:01,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-08-22 22:08:01,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 22:08:01,194 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:08:01,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:08:01,195 INFO L82 PathProgramCache]: Analyzing trace with hash -304953768, now seen corresponding path program 1 times [2021-08-22 22:08:01,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:08:01,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449572690] [2021-08-22 22:08:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:08:01,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:08:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:08:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:08:01,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:08:01,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449572690] [2021-08-22 22:08:01,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449572690] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:08:01,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:08:01,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 22:08:01,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892981107] [2021-08-22 22:08:01,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 22:08:01,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:08:01,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 22:08:01,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 22:08:01,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,357 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:08:01,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-08-22 22:08:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 22:08:01,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 22:08:01,436 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:08:01,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:08:01,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1803316386, now seen corresponding path program 1 times [2021-08-22 22:08:01,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:08:01,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462010001] [2021-08-22 22:08:01,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:08:01,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:08:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:08:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:08:01,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:08:01,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462010001] [2021-08-22 22:08:01,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462010001] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:08:01,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:08:01,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 22:08:01,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244800603] [2021-08-22 22:08:01,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 22:08:01,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:08:01,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 22:08:01,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 22:08:01,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:08:01,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2021-08-22 22:08:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 22:08:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:01,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 22:08:01,715 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:08:01,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:08:01,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1368871668, now seen corresponding path program 2 times [2021-08-22 22:08:01,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:08:01,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256641695] [2021-08-22 22:08:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:08:01,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:08:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:08:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:08:01,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:08:01,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256641695] [2021-08-22 22:08:01,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256641695] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:08:01,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:08:01,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-22 22:08:01,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995593886] [2021-08-22 22:08:01,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 22:08:01,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:08:01,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 22:08:01,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-22 22:08:01,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,808 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:08:01,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2021-08-22 22:08:01,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:01,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:01,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:01,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-22 22:08:01,878 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:08:01,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:08:01,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1730588209, now seen corresponding path program 1 times [2021-08-22 22:08:01,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:08:01,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218886266] [2021-08-22 22:08:01,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:08:01,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:08:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:08:01,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:08:01,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:08:01,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218886266] [2021-08-22 22:08:01,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218886266] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:08:01,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:08:01,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 22:08:01,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243670145] [2021-08-22 22:08:01,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 22:08:01,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:08:01,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 22:08:01,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 22:08:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:08:01,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-08-22 22:08:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:02,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:02,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-22 22:08:02,179 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:08:02,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:08:02,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1765701983, now seen corresponding path program 2 times [2021-08-22 22:08:02,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:08:02,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025782265] [2021-08-22 22:08:02,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:08:02,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:08:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:08:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:08:02,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:08:02,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025782265] [2021-08-22 22:08:02,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025782265] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:08:02,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:08:02,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 22:08:02,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588109840] [2021-08-22 22:08:02,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 22:08:02,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:08:02,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 22:08:02,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-22 22:08:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,314 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:08:02,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-08-22 22:08:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:02,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:02,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-22 22:08:02,411 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:08:02,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:08:02,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1084192885, now seen corresponding path program 3 times [2021-08-22 22:08:02,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:08:02,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552776776] [2021-08-22 22:08:02,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:08:02,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:08:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:08:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:08:02,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:08:02,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552776776] [2021-08-22 22:08:02,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552776776] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:08:02,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:08:02,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 22:08:02,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490951094] [2021-08-22 22:08:02,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 22:08:02,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:08:02,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 22:08:02,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-22 22:08:02,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,476 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:08:02,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-08-22 22:08:02,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:02,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:02,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:02,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:08:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:08:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:08:02,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 22:08:02,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 22:08:02,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 22:08:02,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 22:08:02,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 22:08:02,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-22 22:08:02,548 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 22:08:02,548 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 22:08:02,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:08:02 BasicIcfg [2021-08-22 22:08:02,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 22:08:02,550 INFO L168 Benchmark]: Toolchain (without parser) took 2999.05 ms. Allocated memory was 206.6 MB in the beginning and 270.5 MB in the end (delta: 64.0 MB). Free memory was 169.5 MB in the beginning and 137.0 MB in the end (delta: 32.5 MB). Peak memory consumption was 96.8 MB. Max. memory is 8.0 GB. [2021-08-22 22:08:02,550 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 206.6 MB. Free memory is still 187.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 22:08:02,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.64 ms. Allocated memory is still 206.6 MB. Free memory was 169.4 MB in the beginning and 179.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. [2021-08-22 22:08:02,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.78 ms. Allocated memory is still 206.6 MB. Free memory was 179.5 MB in the beginning and 177.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 22:08:02,551 INFO L168 Benchmark]: Boogie Preprocessor took 25.86 ms. Allocated memory is still 206.6 MB. Free memory was 177.4 MB in the beginning and 176.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 22:08:02,551 INFO L168 Benchmark]: RCFGBuilder took 351.73 ms. Allocated memory is still 206.6 MB. Free memory was 176.4 MB in the beginning and 152.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-22 22:08:02,552 INFO L168 Benchmark]: TraceAbstraction took 2237.86 ms. Allocated memory was 206.6 MB in the beginning and 270.5 MB in the end (delta: 64.0 MB). Free memory was 151.7 MB in the beginning and 137.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 8.0 GB. [2021-08-22 22:08:02,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 206.6 MB. Free memory is still 187.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 332.64 ms. Allocated memory is still 206.6 MB. Free memory was 169.4 MB in the beginning and 179.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.78 ms. Allocated memory is still 206.6 MB. Free memory was 179.5 MB in the beginning and 177.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.86 ms. Allocated memory is still 206.6 MB. Free memory was 177.4 MB in the beginning and 176.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 351.73 ms. Allocated memory is still 206.6 MB. Free memory was 176.4 MB in the beginning and 152.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2237.86 ms. Allocated memory was 206.6 MB in the beginning and 270.5 MB in the end (delta: 64.0 MB). Free memory was 151.7 MB in the beginning and 137.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 79.7 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: 6271, positive: 6092, positive conditional: 4906, positive unconditional: 1186, negative: 179, negative conditional: 157, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6235, positive: 6092, positive conditional: 4906, positive unconditional: 1186, negative: 143, negative conditional: 121, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6235, positive: 6092, positive conditional: 4906, positive unconditional: 1186, negative: 143, negative conditional: 121, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6824, positive: 6092, positive conditional: 4597, positive unconditional: 1495, negative: 732, negative conditional: 589, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6824, positive: 6092, positive conditional: 1283, positive unconditional: 4809, negative: 732, negative conditional: 78, negative unconditional: 654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6824, positive: 6092, positive conditional: 1283, positive unconditional: 4809, negative: 732, negative conditional: 78, negative unconditional: 654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1222, positive: 1195, positive conditional: 9, positive unconditional: 1186, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1222, positive: 1180, positive conditional: 0, positive unconditional: 1180, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 21, positive conditional: 13, positive unconditional: 8, negative: 77, negative conditional: 13, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6824, positive: 4897, positive conditional: 1274, positive unconditional: 3623, negative: 705, negative conditional: 73, negative unconditional: 632, unknown: 1222, unknown conditional: 14, unknown unconditional: 1208] , Statistics on independence cache: Total cache size (in pairs): 1222, Positive cache size: 1195, Positive conditional cache size: 9, Positive unconditional cache size: 1186, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, Eliminated conditions: 3825, Maximal queried relation: 7, Independence queries for same thread: 36 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 177, Number of persistent set computation: 418, Number of trivial persistent sets: 233, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1208, positive: 1186, positive conditional: 0, positive unconditional: 1186, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6271, positive: 6092, positive conditional: 4906, positive unconditional: 1186, negative: 179, negative conditional: 157, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6235, positive: 6092, positive conditional: 4906, positive unconditional: 1186, negative: 143, negative conditional: 121, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6235, positive: 6092, positive conditional: 4906, positive unconditional: 1186, negative: 143, negative conditional: 121, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6824, positive: 6092, positive conditional: 4597, positive unconditional: 1495, negative: 732, negative conditional: 589, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6824, positive: 6092, positive conditional: 1283, positive unconditional: 4809, negative: 732, negative conditional: 78, negative unconditional: 654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6824, positive: 6092, positive conditional: 1283, positive unconditional: 4809, negative: 732, negative conditional: 78, negative unconditional: 654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1222, positive: 1195, positive conditional: 9, positive unconditional: 1186, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1222, positive: 1180, positive conditional: 0, positive unconditional: 1180, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 21, positive conditional: 13, positive unconditional: 8, negative: 77, negative conditional: 13, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6824, positive: 4897, positive conditional: 1274, positive unconditional: 3623, negative: 705, negative conditional: 73, negative unconditional: 632, unknown: 1222, unknown conditional: 14, unknown unconditional: 1208] , Statistics on independence cache: Total cache size (in pairs): 1222, Positive cache size: 1195, Positive conditional cache size: 9, Positive unconditional cache size: 1186, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, Eliminated conditions: 3825, Maximal queried relation: 7, Independence queries for same thread: 36 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2149.1ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.5ms, PartialOrderReductionTime: 935.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 25.5ms SsaConstructionTime, 192.6ms SatisfiabilityAnalysisTime, 754.8ms InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 463 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2021-08-22 22:08:02,579 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 [2021-08-22 22:08:02,781 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...