/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 09:20:18,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 09:20:18,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 09:20:18,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 09:20:18,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 09:20:18,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 09:20:18,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 09:20:18,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 09:20:18,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 09:20:18,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 09:20:18,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 09:20:18,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 09:20:18,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 09:20:18,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 09:20:18,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 09:20:18,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 09:20:18,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 09:20:18,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 09:20:18,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 09:20:18,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 09:20:18,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 09:20:18,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 09:20:18,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 09:20:18,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 09:20:18,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 09:20:18,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 09:20:18,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 09:20:18,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 09:20:18,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 09:20:18,750 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 09:20:18,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 09:20:18,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 09:20:18,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 09:20:18,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 09:20:18,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 09:20:18,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 09:20:18,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 09:20:18,751 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 09:20:18,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 09:20:18,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 09:20:18,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 09:20:18,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 09:20:18,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 09:20:18,754 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 09:20:18,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 09:20:18,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 09:20:18,754 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 09:20:18,754 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 09:20:18,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 09:20:18,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 09:20:18,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 09:20:18,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 09:20:18,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 09:20:18,926 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 09:20:18,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i [2021-11-14 09:20:18,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a810303a/b0dc18d158f941f2badb833f136eb5d4/FLAG8ff9478f7 [2021-11-14 09:20:19,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 09:20:19,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i [2021-11-14 09:20:19,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a810303a/b0dc18d158f941f2badb833f136eb5d4/FLAG8ff9478f7 [2021-11-14 09:20:19,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a810303a/b0dc18d158f941f2badb833f136eb5d4 [2021-11-14 09:20:19,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 09:20:19,691 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 09:20:19,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 09:20:19,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 09:20:19,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 09:20:19,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:19,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddc1647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19, skipping insertion in model container [2021-11-14 09:20:19,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:19,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 09:20:19,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 09:20:19,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i[30176,30189] [2021-11-14 09:20:19,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 09:20:19,947 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 09:20:19,966 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i[30176,30189] [2021-11-14 09:20:19,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 09:20:19,996 INFO L208 MainTranslator]: Completed translation [2021-11-14 09:20:19,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19 WrapperNode [2021-11-14 09:20:19,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 09:20:19,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 09:20:19,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 09:20:19,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 09:20:20,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 09:20:20,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 09:20:20,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 09:20:20,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 09:20:20,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 09:20:20,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 09:20:20,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 09:20:20,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 09:20:20,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (1/1) ... [2021-11-14 09:20:20,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 09:20:20,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:20,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-14 09:20:20,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-14 09:20:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 09:20:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 09:20:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-14 09:20:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 09:20:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 09:20:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-14 09:20:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-14 09:20:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 09:20:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 09:20:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 09:20:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 09:20:20,115 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 09:20:20,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 09:20:20,320 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-14 09:20:20,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 09:20:20 BoogieIcfgContainer [2021-11-14 09:20:20,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 09:20:20,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 09:20:20,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 09:20:20,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 09:20:20,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 09:20:19" (1/3) ... [2021-11-14 09:20:20,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d53b88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 09:20:20, skipping insertion in model container [2021-11-14 09:20:20,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:20:19" (2/3) ... [2021-11-14 09:20:20,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d53b88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 09:20:20, skipping insertion in model container [2021-11-14 09:20:20,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 09:20:20" (3/3) ... [2021-11-14 09:20:20,326 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_60-invariant_racefree.i [2021-11-14 09:20:20,329 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 09:20:20,329 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 09:20:20,329 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-14 09:20:20,329 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 09:20:20,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:20,360 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-14 09:20:20,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 09:20:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:20,390 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 09:20:20,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 09:20:20,414 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-14 09:20:20,418 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 09:20:20,419 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 09:20:20,538 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:20,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:20,544 INFO L85 PathProgramCache]: Analyzing trace with hash -642324872, now seen corresponding path program 1 times [2021-11-14 09:20:20,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:20,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352356185] [2021-11-14 09:20:20,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:20,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:20,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:20,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352356185] [2021-11-14 09:20:20,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352356185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:20,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:20,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 09:20:20,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413125564] [2021-11-14 09:20:20,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:20,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 09:20:20,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:20,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 09:20:20,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-14 09:20:20,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:20,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:20,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:20,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:21,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:21,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 09:20:21,010 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:21,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:21,011 INFO L85 PathProgramCache]: Analyzing trace with hash -616299821, now seen corresponding path program 1 times [2021-11-14 09:20:21,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:21,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786238255] [2021-11-14 09:20:21,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:21,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:21,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:21,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786238255] [2021-11-14 09:20:21,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786238255] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:20:21,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694958750] [2021-11-14 09:20:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:21,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:21,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:21,076 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) [2021-11-14 09:20:21,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 09:20:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:21,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-14 09:20:21,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:20:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:21,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:20:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:21,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694958750] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:20:21,375 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:20:21,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-14 09:20:21,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474397150] [2021-11-14 09:20:21,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:20:21,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 09:20:21,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:21,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 09:20:21,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-14 09:20:21,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:21,378 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:21,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:21,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:21,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:21,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:20:21,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-14 09:20:21,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-14 09:20:21,645 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,SelfDestructingSolverStorable1 [2021-11-14 09:20:21,651 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-14 09:20:21,652 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2021-11-14 09:20:21,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 09:20:21,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:21,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 09:20:21,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-11-14 09:20:21,904 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 09:20:21,905 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 09:20:21,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 09:20:21,912 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:21,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1689022251, now seen corresponding path program 1 times [2021-11-14 09:20:21,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:21,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99646652] [2021-11-14 09:20:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:21,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:21,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:21,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99646652] [2021-11-14 09:20:21,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99646652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:21,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:21,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 09:20:21,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403849735] [2021-11-14 09:20:21,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:21,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 09:20:21,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:21,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 09:20:21,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 09:20:21,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:21,955 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:21,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:21,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 09:20:21,967 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:21,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:21,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1644331028, now seen corresponding path program 1 times [2021-11-14 09:20:21,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:21,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541115141] [2021-11-14 09:20:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:21,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:22,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:22,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:22,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541115141] [2021-11-14 09:20:22,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541115141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:22,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:22,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 09:20:22,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864971649] [2021-11-14 09:20:22,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:22,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 09:20:22,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:22,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 09:20:22,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 09:20:22,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,011 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:22,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:22,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:22,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 09:20:22,067 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:22,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:22,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1274023232, now seen corresponding path program 1 times [2021-11-14 09:20:22,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:22,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722080176] [2021-11-14 09:20:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:22,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:22,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:22,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722080176] [2021-11-14 09:20:22,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722080176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:22,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:22,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 09:20:22,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10929379] [2021-11-14 09:20:22,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:22,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 09:20:22,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:22,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 09:20:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-14 09:20:22,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,130 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:22,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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) [2021-11-14 09:20:22,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:22,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:22,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 09:20:22,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:22,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:22,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1168725680, now seen corresponding path program 1 times [2021-11-14 09:20:22,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:22,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124405416] [2021-11-14 09:20:22,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:22,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:22,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:22,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124405416] [2021-11-14 09:20:22,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124405416] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:20:22,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086943511] [2021-11-14 09:20:22,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:22,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:22,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:22,204 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) [2021-11-14 09:20:22,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-14 09:20:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:22,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-14 09:20:22,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:20:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:22,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:20:22,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:22,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086943511] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:20:22,516 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:20:22,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-14 09:20:22,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315939395] [2021-11-14 09:20:22,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:20:22,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 09:20:22,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:22,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 09:20:22,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-14 09:20:22,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,518 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:22,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.4) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:22,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:22,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:22,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:20:22,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-14 09:20:22,777 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 [2021-11-14 09:20:22,777 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:22,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:22,777 INFO L85 PathProgramCache]: Analyzing trace with hash 511181552, now seen corresponding path program 1 times [2021-11-14 09:20:22,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:22,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134574447] [2021-11-14 09:20:22,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:22,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 09:20:22,796 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-14 09:20:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 09:20:22,831 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-14 09:20:22,831 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-14 09:20:22,832 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-11-14 09:20:22,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-14 09:20:22,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-14 09:20:22,834 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-14 09:20:22,835 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2021-11-14 09:20:22,835 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-14 09:20:22,835 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-14 09:20:22,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:22,855 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-14 09:20:22,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 09:20:22,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:22,857 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 09:20:22,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2021-11-14 09:20:22,859 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2021-11-14 09:20:22,860 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 09:20:22,860 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 09:20:22,933 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:22,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:22,933 INFO L85 PathProgramCache]: Analyzing trace with hash -375904278, now seen corresponding path program 1 times [2021-11-14 09:20:22,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:22,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460799991] [2021-11-14 09:20:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:22,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:22,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:22,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460799991] [2021-11-14 09:20:22,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460799991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:22,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:22,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 09:20:22,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537928652] [2021-11-14 09:20:22,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:22,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 09:20:22,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:22,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 09:20:22,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-14 09:20:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:22,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:22,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:22,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:23,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-14 09:20:23,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:23,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:23,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1735713477, now seen corresponding path program 1 times [2021-11-14 09:20:23,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:23,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619485415] [2021-11-14 09:20:23,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:23,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:23,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:23,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619485415] [2021-11-14 09:20:23,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619485415] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:20:23,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626112320] [2021-11-14 09:20:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:23,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:23,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:23,797 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) [2021-11-14 09:20:23,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-14 09:20:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:23,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-14 09:20:23,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:20:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:23,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:20:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:24,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626112320] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:20:24,012 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:20:24,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-14 09:20:24,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104450161] [2021-11-14 09:20:24,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:20:24,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 09:20:24,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 09:20:24,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-14 09:20:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,015 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:24,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:24,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:24,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:24,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:24,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-14 09:20:24,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-14 09:20:24,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:24,493 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-14 09:20:24,493 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of2ForFork0 was SAFE (1/3) [2021-11-14 09:20:24,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 09:20:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:24,495 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 09:20:24,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2021-11-14 09:20:24,498 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 09:20:24,498 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 09:20:24,498 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 09:20:24,501 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:24,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:24,501 INFO L85 PathProgramCache]: Analyzing trace with hash 852722315, now seen corresponding path program 1 times [2021-11-14 09:20:24,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:24,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060018063] [2021-11-14 09:20:24,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:24,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:24,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:24,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060018063] [2021-11-14 09:20:24,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060018063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:24,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:24,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 09:20:24,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491363952] [2021-11-14 09:20:24,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:24,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 09:20:24,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:24,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 09:20:24,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 09:20:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,512 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:24,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:24,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-14 09:20:24,514 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:24,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:24,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1814336332, now seen corresponding path program 1 times [2021-11-14 09:20:24,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:24,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604519966] [2021-11-14 09:20:24,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:24,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:24,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:24,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604519966] [2021-11-14 09:20:24,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604519966] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:24,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:24,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 09:20:24,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365944540] [2021-11-14 09:20:24,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:24,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 09:20:24,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:24,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 09:20:24,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 09:20:24,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:24,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:24,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:24,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-14 09:20:24,575 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:24,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:24,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1198441775, now seen corresponding path program 1 times [2021-11-14 09:20:24,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:24,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688389583] [2021-11-14 09:20:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:24,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:24,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:24,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688389583] [2021-11-14 09:20:24,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688389583] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:24,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:24,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 09:20:24,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402582475] [2021-11-14 09:20:24,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:24,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 09:20:24,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:24,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 09:20:24,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-14 09:20:24,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,615 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:24,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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) [2021-11-14 09:20:24,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:24,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:24,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-14 09:20:24,638 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:24,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:24,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1059197474, now seen corresponding path program 1 times [2021-11-14 09:20:24,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:24,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018224657] [2021-11-14 09:20:24,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:24,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:24,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:24,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018224657] [2021-11-14 09:20:24,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018224657] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:20:24,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449227155] [2021-11-14 09:20:24,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:24,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:24,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:24,669 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) [2021-11-14 09:20:24,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-14 09:20:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:24,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-14 09:20:24,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:20:24,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:24,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:20:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:24,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449227155] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:20:24,954 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:20:24,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-14 09:20:24,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36074094] [2021-11-14 09:20:24,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:20:24,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 09:20:24,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:24,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 09:20:24,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-14 09:20:24,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,956 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:24,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.4) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:25,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-14 09:20:25,227 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,SelfDestructingSolverStorable12 [2021-11-14 09:20:25,227 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:25,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:25,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1412340267, now seen corresponding path program 1 times [2021-11-14 09:20:25,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:25,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501858601] [2021-11-14 09:20:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:25,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:25,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:25,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501858601] [2021-11-14 09:20:25,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501858601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:25,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:25,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:20:25,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175662061] [2021-11-14 09:20:25,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:25,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:20:25,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:25,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:20:25,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:20:25,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,305 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:25,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:25,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:25,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:25,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:25,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:25,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-14 09:20:25,397 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:25,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:25,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1494955605, now seen corresponding path program 1 times [2021-11-14 09:20:25,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:25,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337989594] [2021-11-14 09:20:25,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:25,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 09:20:25,407 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-14 09:20:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 09:20:25,431 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-14 09:20:25,431 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-14 09:20:25,431 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-11-14 09:20:25,431 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-14 09:20:25,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-14 09:20:25,433 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-14 09:20:25,433 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/3) [2021-11-14 09:20:25,433 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-14 09:20:25,433 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-11-14 09:20:25,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:25,455 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-14 09:20:25,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 09:20:25,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:25,457 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 09:20:25,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2021-11-14 09:20:25,460 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 09:20:25,461 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 09:20:25,461 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 09:20:25,463 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:25,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:25,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1005798219, now seen corresponding path program 1 times [2021-11-14 09:20:25,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:25,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945834643] [2021-11-14 09:20:25,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:25,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:25,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:25,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945834643] [2021-11-14 09:20:25,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945834643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:25,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:25,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 09:20:25,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462056521] [2021-11-14 09:20:25,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:25,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 09:20:25,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:25,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 09:20:25,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 09:20:25,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,474 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:25,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-14 09:20:25,475 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:25,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:25,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1967412236, now seen corresponding path program 1 times [2021-11-14 09:20:25,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:25,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436878608] [2021-11-14 09:20:25,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:25,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:25,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:25,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436878608] [2021-11-14 09:20:25,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436878608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:25,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:25,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 09:20:25,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641628588] [2021-11-14 09:20:25,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:25,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 09:20:25,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:25,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 09:20:25,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 09:20:25,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,490 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:25,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:25,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:25,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-14 09:20:25,555 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:25,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:25,555 INFO L85 PathProgramCache]: Analyzing trace with hash 314458334, now seen corresponding path program 1 times [2021-11-14 09:20:25,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:25,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480619127] [2021-11-14 09:20:25,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:25,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:25,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:25,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480619127] [2021-11-14 09:20:25,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480619127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:25,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:25,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 09:20:25,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668367120] [2021-11-14 09:20:25,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:25,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 09:20:25,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:25,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 09:20:25,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-14 09:20:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:25,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 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) [2021-11-14 09:20:25,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:25,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:25,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:25,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-14 09:20:25,619 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:25,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:25,620 INFO L85 PathProgramCache]: Analyzing trace with hash -799404889, now seen corresponding path program 1 times [2021-11-14 09:20:25,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:25,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281569950] [2021-11-14 09:20:25,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:25,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:25,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:25,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281569950] [2021-11-14 09:20:25,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281569950] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:20:25,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753574384] [2021-11-14 09:20:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:25,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:25,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:25,646 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) [2021-11-14 09:20:25,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-14 09:20:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:25,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-14 09:20:25,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:20:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:25,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:20:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:25,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753574384] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:20:25,948 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:20:25,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-14 09:20:25,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160635741] [2021-11-14 09:20:25,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:20:25,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 09:20:25,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:25,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 09:20:25,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-14 09:20:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,949 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:25,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.4) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:25,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:25,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:25,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:25,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:26,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-14 09:20:26,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:26,247 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:26,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:26,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1598532686, now seen corresponding path program 1 times [2021-11-14 09:20:26,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:26,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312286645] [2021-11-14 09:20:26,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:26,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 09:20:26,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:26,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312286645] [2021-11-14 09:20:26,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312286645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:26,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:26,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:20:26,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657570240] [2021-11-14 09:20:26,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:26,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:20:26,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:26,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:20:26,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:20:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,317 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:26,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:26,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:26,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:26,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:26,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:26,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-14 09:20:26,426 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:26,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:26,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1485979453, now seen corresponding path program 1 times [2021-11-14 09:20:26,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:26,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864389843] [2021-11-14 09:20:26,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:26,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-14 09:20:26,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:26,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864389843] [2021-11-14 09:20:26,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864389843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:26,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:26,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:20:26,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870810563] [2021-11-14 09:20:26,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:26,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:20:26,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:26,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:20:26,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:20:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,494 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:26,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:26,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:26,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:26,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:26,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:26,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:26,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-14 09:20:26,596 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:26,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:26,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2078678153, now seen corresponding path program 1 times [2021-11-14 09:20:26,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:26,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469856960] [2021-11-14 09:20:26,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:26,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:26,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:26,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469856960] [2021-11-14 09:20:26,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469856960] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:20:26,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613037269] [2021-11-14 09:20:26,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:26,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:26,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:26,648 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) [2021-11-14 09:20:26,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-14 09:20:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:26,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-14 09:20:26,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:20:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:26,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:20:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:27,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613037269] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:20:27,151 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:20:27,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-14 09:20:27,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702743763] [2021-11-14 09:20:27,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:20:27,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-14 09:20:27,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:27,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-14 09:20:27,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-14 09:20:27,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:27,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.88888888888889) internal successors, (232), 18 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 09:20:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:27,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:20:27,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-14 09:20:27,423 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,SelfDestructingSolverStorable21 [2021-11-14 09:20:27,423 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 09:20:27,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:27,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1435883829, now seen corresponding path program 1 times [2021-11-14 09:20:27,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:27,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065409195] [2021-11-14 09:20:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:27,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 09:20:27,448 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-14 09:20:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 09:20:27,465 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-14 09:20:27,465 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-14 09:20:27,465 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-11-14 09:20:27,465 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-14 09:20:27,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-14 09:20:27,466 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-14 09:20:27,466 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (1/4) [2021-11-14 09:20:27,466 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-14 09:20:27,466 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-11-14 09:20:27,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:20:27,490 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-14 09:20:27,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 09:20:27,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:27,491 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 09:20:27,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2021-11-14 09:20:27,494 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread4of4ForFork0 ======== [2021-11-14 09:20:27,494 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 09:20:27,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 09:20:27,593 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:27,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:27,593 INFO L85 PathProgramCache]: Analyzing trace with hash -61025128, now seen corresponding path program 1 times [2021-11-14 09:20:27,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:27,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573023415] [2021-11-14 09:20:27,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:27,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-14 09:20:27,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:27,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573023415] [2021-11-14 09:20:27,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573023415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:27,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:27,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 09:20:27,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917673300] [2021-11-14 09:20:27,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:27,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 09:20:27,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:27,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 09:20:27,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-14 09:20:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,675 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:27,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:27,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:27,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-14 09:20:27,713 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:27,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:27,713 INFO L85 PathProgramCache]: Analyzing trace with hash -43044775, now seen corresponding path program 1 times [2021-11-14 09:20:27,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:27,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301256878] [2021-11-14 09:20:27,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:27,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-14 09:20:27,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:27,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301256878] [2021-11-14 09:20:27,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301256878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:27,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:27,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:20:27,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340425058] [2021-11-14 09:20:27,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:27,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:20:27,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:27,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:20:27,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:20:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:27,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:27,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-14 09:20:27,860 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:27,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:27,860 INFO L85 PathProgramCache]: Analyzing trace with hash 311164574, now seen corresponding path program 1 times [2021-11-14 09:20:27,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:27,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088178369] [2021-11-14 09:20:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:27,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-14 09:20:27,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:27,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088178369] [2021-11-14 09:20:27,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088178369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:27,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:27,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:20:27,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99952588] [2021-11-14 09:20:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:27,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:20:27,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:27,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:20:27,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:20:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,914 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:27,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:27,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:27,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:27,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:27,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-14 09:20:27,999 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:27,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:27,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1789732210, now seen corresponding path program 1 times [2021-11-14 09:20:27,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:27,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385005709] [2021-11-14 09:20:27,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:27,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-14 09:20:28,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:28,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385005709] [2021-11-14 09:20:28,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385005709] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:20:28,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:20:28,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:20:28,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767238102] [2021-11-14 09:20:28,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:20:28,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:20:28,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:28,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:20:28,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:20:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:28,056 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:28,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:28,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:28,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:28,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:20:28,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:28,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-14 09:20:28,205 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 09:20:28,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:20:28,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1631112169, now seen corresponding path program 1 times [2021-11-14 09:20:28,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:20:28,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414531404] [2021-11-14 09:20:28,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:28,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:20:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:28,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:20:28,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414531404] [2021-11-14 09:20:28,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414531404] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:20:28,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996078997] [2021-11-14 09:20:28,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:20:28,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:20:28,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:20:28,280 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) [2021-11-14 09:20:28,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-14 09:20:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:20:28,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-14 09:20:28,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:20:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:28,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:20:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:20:28,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996078997] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:20:28,840 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:20:28,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2021-11-14 09:20:28,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320047021] [2021-11-14 09:20:28,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:20:28,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-14 09:20:28,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:20:28,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-14 09:20:28,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2021-11-14 09:20:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:20:28,841 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:20:28,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.454545454545455) internal successors, (252), 22 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:20:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 09:20:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:20:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:20:28,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.