/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 18:32:30,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 18:32:30,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 18:32:30,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 18:32:30,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 18:32:30,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 18:32:30,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 18:32:30,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 18:32:30,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 18:32:30,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 18:32:30,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 18:32:30,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 18:32:30,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 18:32:30,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 18:32:30,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 18:32:30,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 18:32:30,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 18:32:30,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 18:32:30,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 18:32:30,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 18:32:30,481 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-NewStatesSleep-NoLbe.epf [2022-01-28 18:32:30,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 18:32:30,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 18:32:30,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 18:32:30,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 18:32:30,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 18:32:30,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 18:32:30,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 18:32:30,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 18:32:30,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 18:32:30,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 18:32:30,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 18:32:30,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 18:32:30,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 18:32:30,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 18:32:30,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 18:32:30,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 18:32:30,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 18:32:30,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 18:32:30,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 18:32:30,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 18:32:30,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 18:32:30,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 18:32:30,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 18:32:30,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 18:32:30,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 18:32:30,506 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-01-28 18:32:30,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 18:32:30,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 18:32:30,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 18:32:30,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 18:32:30,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 18:32:30,704 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 18:32:30,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2022-01-28 18:32:30,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79bad5af/48b5c7fc6caf451ebdc6493704495099/FLAG2cb62d8d4 [2022-01-28 18:32:31,098 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 18:32:31,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2022-01-28 18:32:31,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79bad5af/48b5c7fc6caf451ebdc6493704495099/FLAG2cb62d8d4 [2022-01-28 18:32:31,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79bad5af/48b5c7fc6caf451ebdc6493704495099 [2022-01-28 18:32:31,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 18:32:31,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 18:32:31,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 18:32:31,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 18:32:31,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 18:32:31,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d52fe3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31, skipping insertion in model container [2022-01-28 18:32:31,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 18:32:31,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 18:32:31,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040] [2022-01-28 18:32:31,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 18:32:31,345 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 18:32:31,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040] [2022-01-28 18:32:31,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 18:32:31,386 INFO L208 MainTranslator]: Completed translation [2022-01-28 18:32:31,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31 WrapperNode [2022-01-28 18:32:31,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 18:32:31,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 18:32:31,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 18:32:31,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 18:32:31,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,427 INFO L137 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 143 [2022-01-28 18:32:31,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 18:32:31,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 18:32:31,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 18:32:31,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 18:32:31,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 18:32:31,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 18:32:31,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 18:32:31,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 18:32:31,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (1/1) ... [2022-01-28 18:32:31,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 18:32:31,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:31,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 18:32:31,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 18:32:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 18:32:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-28 18:32:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-28 18:32:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-28 18:32:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-28 18:32:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-28 18:32:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-28 18:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 18:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 18:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 18:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-28 18:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-28 18:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 18:32:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 18:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 18:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 18:32:31,533 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 18:32:31,600 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 18:32:31,601 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 18:32:31,804 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 18:32:31,864 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 18:32:31,864 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-28 18:32:31,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 06:32:31 BoogieIcfgContainer [2022-01-28 18:32:31,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 18:32:31,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 18:32:31,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 18:32:31,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 18:32:31,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 06:32:31" (1/3) ... [2022-01-28 18:32:31,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21571309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 06:32:31, skipping insertion in model container [2022-01-28 18:32:31,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 06:32:31" (2/3) ... [2022-01-28 18:32:31,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21571309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 06:32:31, skipping insertion in model container [2022-01-28 18:32:31,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 06:32:31" (3/3) ... [2022-01-28 18:32:31,887 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2022-01-28 18:32:31,891 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 18:32:31,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 18:32:31,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 18:32:31,891 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 18:32:31,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,938 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,938 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,938 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,938 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,942 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,942 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,964 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 18:32:31,970 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-28 18:32:32,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 18:32:32,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:32,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-28 18:32:32,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-28 18:32:32,056 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 18:32:32,060 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-28 18:32:32,069 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-28 18:32:32,179 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:32,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:32,183 INFO L85 PathProgramCache]: Analyzing trace with hash 235255949, now seen corresponding path program 1 times [2022-01-28 18:32:32,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:32,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351999149] [2022-01-28 18:32:32,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:32,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:32:32,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:32,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351999149] [2022-01-28 18:32:32,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351999149] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:32:32,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:32:32,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 18:32:32,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736337413] [2022-01-28 18:32:32,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:32:32,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 18:32:32,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:32,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 18:32:32,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 18:32:32,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:32,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:32,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 18:32:32,419 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:32,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:32,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1504195809, now seen corresponding path program 1 times [2022-01-28 18:32:32,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:32,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315346431] [2022-01-28 18:32:32,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:32,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:32:32,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:32,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315346431] [2022-01-28 18:32:32,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315346431] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:32:32,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:32:32,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-28 18:32:32,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629650969] [2022-01-28 18:32:32,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:32:32,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 18:32:32,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 18:32:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-28 18:32:32,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,694 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:32,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:32,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:32,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 18:32:32,814 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:32,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:32,814 INFO L85 PathProgramCache]: Analyzing trace with hash -30409401, now seen corresponding path program 1 times [2022-01-28 18:32:32,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:32,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545765243] [2022-01-28 18:32:32,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:32,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:32,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:32:32,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:32,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545765243] [2022-01-28 18:32:32,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545765243] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 18:32:32,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 18:32:32,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 18:32:32,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933848945] [2022-01-28 18:32:32,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:32:32,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 18:32:32,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:32,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 18:32:32,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-28 18:32:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,923 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:32,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:32,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:32,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:33,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 18:32:33,060 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:33,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:33,061 INFO L85 PathProgramCache]: Analyzing trace with hash 64176240, now seen corresponding path program 1 times [2022-01-28 18:32:33,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:33,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19474965] [2022-01-28 18:32:33,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:33,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:32:33,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:33,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19474965] [2022-01-28 18:32:33,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19474965] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:33,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317732305] [2022-01-28 18:32:33,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:33,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:33,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:33,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:33,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-28 18:32:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:33,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-28 18:32:33,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:32:33,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:32:33,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317732305] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:32:33,661 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:32:33,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-01-28 18:32:33,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248671400] [2022-01-28 18:32:33,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:32:33,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 18:32:33,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:33,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 18:32:33,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-01-28 18:32:33,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:33,663 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:33,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.052631578947368) internal successors, (153), 19 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-28 18:32:34,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-28 18:32:34,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-28 18:32:34,273 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:34,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:34,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1692852880, now seen corresponding path program 1 times [2022-01-28 18:32:34,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:34,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224981592] [2022-01-28 18:32:34,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:34,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 18:32:34,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:34,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224981592] [2022-01-28 18:32:34,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224981592] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:34,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028059859] [2022-01-28 18:32:34,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:34,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:34,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:34,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:34,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-28 18:32:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:34,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 20 conjunts are in the unsatisfiable core [2022-01-28 18:32:34,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-28 18:32:34,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-01-28 18:32:34,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028059859] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:34,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-28 18:32:34,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 7] total 21 [2022-01-28 18:32:34,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953632489] [2022-01-28 18:32:34,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 18:32:34,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 18:32:34,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:34,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 18:32:34,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2022-01-28 18:32:34,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:34,994 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:34,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:34,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:34,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:34,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:34,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-28 18:32:34,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-28 18:32:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:35,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-28 18:32:35,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:35,242 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:35,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:35,242 INFO L85 PathProgramCache]: Analyzing trace with hash 208810837, now seen corresponding path program 2 times [2022-01-28 18:32:35,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:35,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291067275] [2022-01-28 18:32:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:35,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-28 18:32:35,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:35,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291067275] [2022-01-28 18:32:35,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291067275] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:35,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110962116] [2022-01-28 18:32:35,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 18:32:35,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:35,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:35,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:35,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-28 18:32:35,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-28 18:32:35,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:32:35,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-28 18:32:35,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:35,641 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 18:32:35,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-28 18:32:35,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110962116] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:32:35,865 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:32:35,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 7] total 13 [2022-01-28 18:32:35,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215257403] [2022-01-28 18:32:35,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:32:35,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-28 18:32:35,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:35,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-28 18:32:35,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-01-28 18:32:35,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:35,866 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:35,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:35,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:35,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:35,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:35,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-28 18:32:35,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:35,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-28 18:32:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:35,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-28 18:32:36,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:36,152 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:36,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:36,152 INFO L85 PathProgramCache]: Analyzing trace with hash 815448117, now seen corresponding path program 3 times [2022-01-28 18:32:36,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:36,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400648467] [2022-01-28 18:32:36,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:36,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 48 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-28 18:32:36,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:36,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400648467] [2022-01-28 18:32:36,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400648467] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:36,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653271094] [2022-01-28 18:32:36,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 18:32:36,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:36,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:36,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:36,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-28 18:32:36,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-01-28 18:32:36,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:32:36,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 18 conjunts are in the unsatisfiable core [2022-01-28 18:32:36,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 48 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-28 18:32:36,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 42 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-28 18:32:37,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653271094] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:32:37,090 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:32:37,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 24 [2022-01-28 18:32:37,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478329915] [2022-01-28 18:32:37,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:32:37,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-28 18:32:37,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:37,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-28 18:32:37,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-01-28 18:32:37,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:37,091 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:37,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.75) internal successors, (210), 24 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:37,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:37,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:37,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:37,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-28 18:32:37,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:37,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:37,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:37,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:37,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:37,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-28 18:32:37,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-28 18:32:38,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:38,097 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:38,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:38,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1287812085, now seen corresponding path program 4 times [2022-01-28 18:32:38,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:38,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055561030] [2022-01-28 18:32:38,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:38,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 116 proven. 144 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-28 18:32:38,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:38,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055561030] [2022-01-28 18:32:38,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055561030] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:38,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951144620] [2022-01-28 18:32:38,257 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 18:32:38,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:38,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:38,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:38,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-28 18:32:38,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 18:32:38,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:32:38,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 18 conjunts are in the unsatisfiable core [2022-01-28 18:32:38,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 161 proven. 34 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-28 18:32:38,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 165 proven. 28 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-01-28 18:32:38,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951144620] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:32:38,892 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:32:38,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 10] total 29 [2022-01-28 18:32:38,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549015464] [2022-01-28 18:32:38,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:32:38,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-28 18:32:38,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:38,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-28 18:32:38,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2022-01-28 18:32:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:38,894 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:38,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.517241379310345) internal successors, (276), 29 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:38,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:38,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:38,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:38,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:38,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:38,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:38,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-01-28 18:32:38,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:39,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-28 18:32:40,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:40,101 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:40,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:40,102 INFO L85 PathProgramCache]: Analyzing trace with hash -419483248, now seen corresponding path program 5 times [2022-01-28 18:32:40,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:40,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685611886] [2022-01-28 18:32:40,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:40,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 329 proven. 333 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-28 18:32:40,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:40,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685611886] [2022-01-28 18:32:40,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685611886] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:40,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261054168] [2022-01-28 18:32:40,379 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 18:32:40,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:40,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:40,380 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:40,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-28 18:32:40,524 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2022-01-28 18:32:40,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:32:40,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 24 conjunts are in the unsatisfiable core [2022-01-28 18:32:40,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 365 proven. 133 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-01-28 18:32:40,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 369 proven. 127 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-01-28 18:32:41,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261054168] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:32:41,194 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:32:41,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14, 13] total 38 [2022-01-28 18:32:41,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531930961] [2022-01-28 18:32:41,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:32:41,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-01-28 18:32:41,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-01-28 18:32:41,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1116, Unknown=0, NotChecked=0, Total=1406 [2022-01-28 18:32:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:41,196 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:41,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.921052631578947) internal successors, (339), 38 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:32:42,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-28 18:32:43,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:43,128 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:43,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:43,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1565546965, now seen corresponding path program 6 times [2022-01-28 18:32:43,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:43,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596316758] [2022-01-28 18:32:43,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:43,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 854 proven. 885 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-28 18:32:43,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:43,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596316758] [2022-01-28 18:32:43,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596316758] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:43,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532201524] [2022-01-28 18:32:43,611 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 18:32:43,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:43,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:43,617 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:43,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-28 18:32:44,028 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2022-01-28 18:32:44,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:32:44,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 48 conjunts are in the unsatisfiable core [2022-01-28 18:32:44,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 798 proven. 941 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-28 18:32:44,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 853 proven. 886 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-28 18:32:45,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532201524] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:32:45,033 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:32:45,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 30] total 47 [2022-01-28 18:32:45,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751898034] [2022-01-28 18:32:45,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:32:45,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-01-28 18:32:45,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:45,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-01-28 18:32:45,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=737, Invalid=1425, Unknown=0, NotChecked=0, Total=2162 [2022-01-28 18:32:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:45,035 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:45,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 9.042553191489361) internal successors, (425), 47 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:32:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:32:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-01-28 18:32:47,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-01-28 18:32:47,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-28 18:32:47,470 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:47,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:47,471 INFO L85 PathProgramCache]: Analyzing trace with hash -457523371, now seen corresponding path program 7 times [2022-01-28 18:32:47,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:47,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983942754] [2022-01-28 18:32:47,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:47,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 1709 proven. 2028 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-28 18:32:48,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:48,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983942754] [2022-01-28 18:32:48,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983942754] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:48,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967595826] [2022-01-28 18:32:48,265 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-28 18:32:48,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:48,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:48,266 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:48,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-28 18:32:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:48,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 42 conjunts are in the unsatisfiable core [2022-01-28 18:32:48,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 2075 proven. 328 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2022-01-28 18:32:49,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 2103 proven. 298 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2022-01-28 18:32:50,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967595826] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:32:50,141 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:32:50,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 29, 28] total 83 [2022-01-28 18:32:50,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423507117] [2022-01-28 18:32:50,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:32:50,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-01-28 18:32:50,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:50,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-01-28 18:32:50,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1550, Invalid=5256, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 18:32:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:50,145 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:50,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 7.9879518072289155) internal successors, (663), 83 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2022-01-28 18:32:50,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:55,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:32:55,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:32:55,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-28 18:32:55,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:55,677 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:55,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:55,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1744211120, now seen corresponding path program 8 times [2022-01-28 18:32:55,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:55,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233850411] [2022-01-28 18:32:55,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:55,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:32:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9346 backedges. 4459 proven. 2233 refuted. 0 times theorem prover too weak. 2654 trivial. 0 not checked. [2022-01-28 18:32:56,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:32:56,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233850411] [2022-01-28 18:32:56,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233850411] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:32:56,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182395295] [2022-01-28 18:32:56,375 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 18:32:56,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:32:56,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:32:56,376 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:32:56,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-28 18:32:56,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-28 18:32:56,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:32:56,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 66 conjunts are in the unsatisfiable core [2022-01-28 18:32:56,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:32:57,401 INFO L134 CoverageAnalysis]: Checked inductivity of 9346 backedges. 4448 proven. 2251 refuted. 0 times theorem prover too weak. 2647 trivial. 0 not checked. [2022-01-28 18:32:57,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:32:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9346 backedges. 4464 proven. 2233 refuted. 0 times theorem prover too weak. 2649 trivial. 0 not checked. [2022-01-28 18:32:58,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182395295] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:32:58,106 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:32:58,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 38, 37] total 50 [2022-01-28 18:32:58,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136744025] [2022-01-28 18:32:58,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:32:58,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-01-28 18:32:58,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:32:58,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-01-28 18:32:58,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1012, Invalid=1438, Unknown=0, NotChecked=0, Total=2450 [2022-01-28 18:32:58,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:58,108 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:32:58,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 9.18) internal successors, (459), 50 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:32:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:32:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:32:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:32:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:58,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:32:58,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:32:58,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:32:58,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-28 18:32:58,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-28 18:32:58,549 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:32:58,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:32:58,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1198917845, now seen corresponding path program 9 times [2022-01-28 18:32:58,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:32:58,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153181863] [2022-01-28 18:32:58,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:32:58,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:32:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:33:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11551 backedges. 7001 proven. 4451 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-01-28 18:33:00,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:33:00,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153181863] [2022-01-28 18:33:00,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153181863] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:33:00,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550741334] [2022-01-28 18:33:00,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 18:33:00,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:33:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:33:00,520 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:33:00,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-28 18:33:01,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2022-01-28 18:33:01,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:33:01,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 108 conjunts are in the unsatisfiable core [2022-01-28 18:33:01,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:33:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 11551 backedges. 6873 proven. 4579 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-01-28 18:33:02,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:33:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 11551 backedges. 7000 proven. 4452 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-01-28 18:33:03,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550741334] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:33:03,494 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:33:03,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 72, 72] total 113 [2022-01-28 18:33:03,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753638732] [2022-01-28 18:33:03,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:33:03,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2022-01-28 18:33:03,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:33:03,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2022-01-28 18:33:03,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5390, Invalid=7266, Unknown=0, NotChecked=0, Total=12656 [2022-01-28 18:33:03,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:03,499 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:33:03,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 8.734513274336283) internal successors, (987), 113 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:33:03,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:03,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:33:03,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:33:03,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:33:03,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:33:03,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:33:03,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:33:03,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:33:03,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:33:03,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:33:03,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:33:03,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:33:03,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:33:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2022-01-28 18:33:14,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-28 18:33:14,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-01-28 18:33:14,960 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:33:14,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:33:14,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1569389227, now seen corresponding path program 10 times [2022-01-28 18:33:14,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:33:14,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626491379] [2022-01-28 18:33:14,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:33:14,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:33:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:33:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 31153 backedges. 16195 proven. 4258 refuted. 0 times theorem prover too weak. 10700 trivial. 0 not checked. [2022-01-28 18:33:16,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:33:16,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626491379] [2022-01-28 18:33:16,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626491379] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:33:16,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844903866] [2022-01-28 18:33:16,657 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 18:33:16,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:33:16,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:33:16,659 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:33:16,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-28 18:33:16,987 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 18:33:16,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:33:16,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 2087 conjuncts, 108 conjunts are in the unsatisfiable core [2022-01-28 18:33:17,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:33:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 31153 backedges. 16136 proven. 4324 refuted. 0 times theorem prover too weak. 10693 trivial. 0 not checked. [2022-01-28 18:33:17,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:33:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 31153 backedges. 16200 proven. 4258 refuted. 0 times theorem prover too weak. 10695 trivial. 0 not checked. [2022-01-28 18:33:19,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844903866] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:33:19,691 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:33:19,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 71, 70] total 107 [2022-01-28 18:33:19,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297142124] [2022-01-28 18:33:19,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:33:19,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-01-28 18:33:19,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:33:19,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-01-28 18:33:19,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5236, Invalid=6106, Unknown=0, NotChecked=0, Total=11342 [2022-01-28 18:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:19,696 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:33:19,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 7.878504672897196) internal successors, (843), 107 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:33:19,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:33:19,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:33:19,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:33:19,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:33:19,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2022-01-28 18:33:19,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:33:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:33:20,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:33:20,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:33:20,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2022-01-28 18:33:20,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-28 18:33:20,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-01-28 18:33:20,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-01-28 18:33:20,579 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:33:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:33:20,580 INFO L85 PathProgramCache]: Analyzing trace with hash -102414738, now seen corresponding path program 11 times [2022-01-28 18:33:20,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:33:20,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666346095] [2022-01-28 18:33:20,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:33:20,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:33:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:33:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 45970 backedges. 28154 proven. 17618 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-01-28 18:33:26,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:33:26,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666346095] [2022-01-28 18:33:26,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666346095] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:33:26,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808711583] [2022-01-28 18:33:26,044 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 18:33:26,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:33:26,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:33:26,045 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:33:26,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-28 18:33:28,284 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 69 check-sat command(s) [2022-01-28 18:33:28,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:33:28,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 207 conjunts are in the unsatisfiable core [2022-01-28 18:33:28,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:33:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 45970 backedges. 27894 proven. 17878 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-01-28 18:33:29,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:33:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 45970 backedges. 28153 proven. 17619 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-01-28 18:33:33,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808711583] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:33:33,492 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:33:33,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139, 138, 138] total 212 [2022-01-28 18:33:33,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972634648] [2022-01-28 18:33:33,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:33:33,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2022-01-28 18:33:33,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:33:33,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2022-01-28 18:33:33,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20537, Invalid=24195, Unknown=0, NotChecked=0, Total=44732 [2022-01-28 18:33:33,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:33,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:33:33,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 212 states have (on average 8.702830188679245) internal successors, (1845), 212 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-28 18:33:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2022-01-28 18:34:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-28 18:34:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 603 states. [2022-01-28 18:34:47,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-28 18:34:47,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-28 18:34:47,443 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:34:47,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:34:47,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1141120210, now seen corresponding path program 12 times [2022-01-28 18:34:47,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:34:47,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550667004] [2022-01-28 18:34:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:34:47,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:34:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:34:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 124378 backedges. 63979 proven. 17227 refuted. 0 times theorem prover too weak. 43172 trivial. 0 not checked. [2022-01-28 18:34:52,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:34:52,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550667004] [2022-01-28 18:34:52,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550667004] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:34:52,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249307322] [2022-01-28 18:34:52,432 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 18:34:52,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:34:52,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:34:52,437 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:34:52,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-28 18:35:30,806 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 135 check-sat command(s) [2022-01-28 18:35:30,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 18:35:30,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 3968 conjuncts, 339 conjunts are in the unsatisfiable core [2022-01-28 18:35:30,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:35:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 124378 backedges. 60135 proven. 64046 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-01-28 18:35:45,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:35:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 124378 backedges. 60658 proven. 63523 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-01-28 18:35:51,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249307322] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:35:51,458 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:35:51,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 204, 204] total 407 [2022-01-28 18:35:51,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939283676] [2022-01-28 18:35:51,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:35:51,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 407 states [2022-01-28 18:35:51,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:35:51,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 407 interpolants. [2022-01-28 18:35:51,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44507, Invalid=120735, Unknown=0, NotChecked=0, Total=165242 [2022-01-28 18:35:51,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:35:51,478 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:35:51,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 407 states, 407 states have (on average 8.28992628992629) internal successors, (3374), 407 states have internal predecessors, (3374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 603 states. [2022-01-28 18:35:51,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:42:35,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 668 states. [2022-01-28 18:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1396 states. [2022-01-28 18:42:35,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-01-28 18:42:35,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:42:35,671 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-28 18:42:35,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 18:42:35,672 INFO L85 PathProgramCache]: Analyzing trace with hash -997845003, now seen corresponding path program 13 times [2022-01-28 18:42:35,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 18:42:35,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760287909] [2022-01-28 18:42:35,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 18:42:35,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 18:42:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:42:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 247276 backedges. 114688 proven. 132388 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-01-28 18:42:53,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 18:42:53,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760287909] [2022-01-28 18:42:53,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760287909] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 18:42:53,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097363071] [2022-01-28 18:42:53,825 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-28 18:42:53,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 18:42:53,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 18:42:53,826 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 18:42:53,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-28 18:42:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 18:42:54,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 5561 conjuncts, 274 conjunts are in the unsatisfiable core [2022-01-28 18:42:54,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 18:43:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 247276 backedges. 131937 proven. 18018 refuted. 0 times theorem prover too weak. 97321 trivial. 0 not checked. [2022-01-28 18:43:11,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 18:43:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 247276 backedges. 132197 proven. 17756 refuted. 0 times theorem prover too weak. 97323 trivial. 0 not checked. [2022-01-28 18:43:27,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097363071] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 18:43:27,311 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 18:43:27,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [272, 203, 202] total 605 [2022-01-28 18:43:27,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652207471] [2022-01-28 18:43:27,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 18:43:27,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 605 states [2022-01-28 18:43:27,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 18:43:27,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 605 interpolants. [2022-01-28 18:43:27,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90481, Invalid=274939, Unknown=0, NotChecked=0, Total=365420 [2022-01-28 18:43:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:43:27,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 18:43:27,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 605 states, 605 states have (on average 7.231404958677686) internal successors, (4375), 605 states have internal predecessors, (4375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 18:43:27,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 18:43:27,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 18:43:27,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 668 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1396 states. [2022-01-28 18:43:27,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-01-28 18:46:18,451 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 18:46:18,451 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 18:46:18,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-01-28 18:46:18,461 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 18:46:18,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-01-28 18:46:18,647 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. [2022-01-28 18:46:18,649 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-28 18:46:18,650 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-28 18:46:18,650 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-28 18:46:18,650 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-28 18:46:18,659 INFO L732 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1, 1] [2022-01-28 18:46:18,660 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 18:46:18,660 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 18:46:18,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 06:46:18 BasicIcfg [2022-01-28 18:46:18,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 18:46:18,662 INFO L158 Benchmark]: Toolchain (without parser) took 827534.45ms. Allocated memory was 179.3MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 128.9MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-01-28 18:46:18,662 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 145.4MB in the beginning and 145.4MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 18:46:18,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.63ms. Allocated memory is still 179.3MB. Free memory was 128.7MB in the beginning and 154.3MB in the end (delta: -25.6MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-01-28 18:46:18,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.93ms. Allocated memory is still 179.3MB. Free memory was 154.3MB in the beginning and 152.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 18:46:18,663 INFO L158 Benchmark]: Boogie Preprocessor took 28.20ms. Allocated memory is still 179.3MB. Free memory was 152.7MB in the beginning and 151.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 18:46:18,663 INFO L158 Benchmark]: RCFGBuilder took 409.02ms. Allocated memory is still 179.3MB. Free memory was 151.2MB in the beginning and 134.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-28 18:46:18,675 INFO L158 Benchmark]: TraceAbstraction took 826794.66ms. Allocated memory was 179.3MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 134.4MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-01-28 18:46:18,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 145.4MB in the beginning and 145.4MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 255.63ms. Allocated memory is still 179.3MB. Free memory was 128.7MB in the beginning and 154.3MB in the end (delta: -25.6MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.93ms. Allocated memory is still 179.3MB. Free memory was 154.3MB in the beginning and 152.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.20ms. Allocated memory is still 179.3MB. Free memory was 152.7MB in the beginning and 151.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 409.02ms. Allocated memory is still 179.3MB. Free memory was 151.2MB in the beginning and 134.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 826794.66ms. Allocated memory was 179.3MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 134.4MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 162404, positive: 136688, positive conditional: 136688, positive unconditional: 0, negative: 25716, negative conditional: 25716, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 144125, positive: 136688, positive conditional: 136688, positive unconditional: 0, negative: 7437, negative conditional: 7437, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 144125, positive: 136688, positive conditional: 136688, positive unconditional: 0, negative: 7437, negative conditional: 7437, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 234035, positive: 136688, positive conditional: 136490, positive unconditional: 198, negative: 97347, negative conditional: 89910, negative unconditional: 7437, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 234035, positive: 136688, positive conditional: 104327, positive unconditional: 32361, negative: 97347, negative conditional: 66125, negative unconditional: 31222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 234035, positive: 136688, positive conditional: 104327, positive unconditional: 32361, negative: 97347, negative conditional: 66125, negative unconditional: 31222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5628, positive: 2733, positive conditional: 2578, positive unconditional: 155, negative: 2895, negative conditional: 2888, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5628, positive: 280, positive conditional: 0, positive unconditional: 280, negative: 5348, negative conditional: 0, negative unconditional: 5348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5348, positive: 2453, positive conditional: 2451, positive unconditional: 2, negative: 2895, negative conditional: 2888, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4514, positive: 2464, positive conditional: 2463, positive unconditional: 1, negative: 2050, negative conditional: 2008, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 234035, positive: 133955, positive conditional: 101749, positive unconditional: 32206, negative: 94452, negative conditional: 63237, negative unconditional: 31215, unknown: 5628, unknown conditional: 5466, unknown unconditional: 162] , Statistics on independence cache: Total cache size (in pairs): 5628, Positive cache size: 2733, Positive conditional cache size: 2578, Positive unconditional cache size: 155, Negative cache size: 2895, Negative conditional cache size: 2888, Negative unconditional cache size: 7, Eliminated conditions: 55948, Maximal queried relation: 16, Independence queries for same thread: 18279 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 826.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 672.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3835, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 49.7s SatisfiabilityAnalysisTime, 99.2s InterpolantComputationTime, 17501 NumberOfCodeBlocks, 17501 NumberOfCodeBlocksAsserted, 305 NumberOfCheckSat, 26091 ConstructedInterpolants, 0 QuantifiedInterpolants, 80911 SizeOfPredicates, 135 NumberOfNonLiveVariables, 19957 ConjunctsInSsa, 1297 ConjunctsInUnsatCore, 45 InterpolantComputations, 4 PerfectInterpolantSequences, 1023624/1429093 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown