/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 05:23:11,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 05:23:11,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 05:23:11,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 05:23:11,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 05:23:11,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 05:23:11,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 05:23:11,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 05:23:11,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 05:23:11,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 05:23:11,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 05:23:11,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 05:23:11,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 05:23:11,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 05:23:11,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 05:23:11,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 05:23:11,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 05:23:11,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 05:23:11,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 05:23:11,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 05:23:11,849 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-Uncond-NoLbe-Random521.epf [2021-10-25 05:23:11,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 05:23:11,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 05:23:11,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 05:23:11,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 05:23:11,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 05:23:11,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 05:23:11,881 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 05:23:11,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 05:23:11,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 05:23:11,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 05:23:11,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 05:23:11,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 05:23:11,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 05:23:11,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 05:23:11,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 05:23:11,882 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 05:23:11,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 05:23:11,883 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 05:23:11,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 05:23:11,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 05:23:11,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 05:23:11,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 05:23:11,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 05:23:11,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 05:23:11,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 05:23:11,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 05:23:11,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 05:23:11,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 05:23:11,885 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 05:23:11,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 05:23:11,885 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 05:23:11,885 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 05:23:11,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 05:23:11,886 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 05:23:11,886 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 05:23:11,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 05:23:11,886 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 [2021-10-25 05:23:11,886 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 05:23:12,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 05:23:12,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 05:23:12,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 05:23:12,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-25 05:23:12,152 INFO L275 PluginConnector]: CDTParser initialized [2021-10-25 05:23:12,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2021-10-25 05:23:12,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e81ebdf97/8572c3344376478da08bb6eb31ec06cf/FLAGac015efee [2021-10-25 05:23:12,665 INFO L306 CDTParser]: Found 1 translation units. [2021-10-25 05:23:12,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2021-10-25 05:23:12,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e81ebdf97/8572c3344376478da08bb6eb31ec06cf/FLAGac015efee [2021-10-25 05:23:13,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e81ebdf97/8572c3344376478da08bb6eb31ec06cf [2021-10-25 05:23:13,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 05:23:13,186 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-25 05:23:13,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-25 05:23:13,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-25 05:23:13,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-25 05:23:13,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b363c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13, skipping insertion in model container [2021-10-25 05:23:13,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-25 05:23:13,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-25 05:23:13,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2021-10-25 05:23:13,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 05:23:13,600 INFO L203 MainTranslator]: Completed pre-run [2021-10-25 05:23:13,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2021-10-25 05:23:13,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 05:23:13,709 INFO L208 MainTranslator]: Completed translation [2021-10-25 05:23:13,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13 WrapperNode [2021-10-25 05:23:13,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-25 05:23:13,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 05:23:13,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 05:23:13,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 05:23:13,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 05:23:13,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 05:23:13,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 05:23:13,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 05:23:13,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 05:23:13,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 05:23:13,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 05:23:13,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 05:23:13,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (1/1) ... [2021-10-25 05:23:13,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 05:23:13,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:13,829 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) [2021-10-25 05:23:13,842 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 [2021-10-25 05:23:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-10-25 05:23:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-10-25 05:23:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-10-25 05:23:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-10-25 05:23:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-25 05:23:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-25 05:23:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-25 05:23:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-25 05:23:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-25 05:23:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-25 05:23:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 05:23:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 05:23:13,875 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 05:23:14,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 05:23:14,275 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-25 05:23:14,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:23:14 BoogieIcfgContainer [2021-10-25 05:23:14,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 05:23:14,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 05:23:14,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 05:23:14,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 05:23:14,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 05:23:13" (1/3) ... [2021-10-25 05:23:14,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ed45f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 05:23:14, skipping insertion in model container [2021-10-25 05:23:14,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:23:13" (2/3) ... [2021-10-25 05:23:14,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ed45f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 05:23:14, skipping insertion in model container [2021-10-25 05:23:14,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:23:14" (3/3) ... [2021-10-25 05:23:14,286 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2021-10-25 05:23:14,293 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 05:23:14,293 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 05:23:14,293 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-25 05:23:14,293 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 05:23:14,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,347 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,347 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,349 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,349 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,349 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,349 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,353 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,353 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,353 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,356 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,359 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,359 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,359 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,360 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,365 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,371 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,372 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,372 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,373 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,373 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,374 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,375 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,375 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,375 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,377 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,377 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,378 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,378 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,378 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,378 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,378 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,378 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,379 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,379 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,379 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,379 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,379 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,379 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,379 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,380 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,380 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,381 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,381 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,382 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,383 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,384 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,395 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,395 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,401 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,401 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,401 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,401 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,409 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,409 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,410 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,410 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,410 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,410 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,411 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,411 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,411 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,411 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,411 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,411 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,412 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,412 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,412 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:23:14,429 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-25 05:23:14,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 05:23:14,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:14,483 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) [2021-10-25 05:23:14,487 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 [2021-10-25 05:23:14,509 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2021-10-25 05:23:14,514 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 05:23:14,514 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-25 05:23:14,730 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:14,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:14,735 INFO L82 PathProgramCache]: Analyzing trace with hash 754968841, now seen corresponding path program 1 times [2021-10-25 05:23:14,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:14,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357268987] [2021-10-25 05:23:14,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:14,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-25 05:23:15,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:15,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357268987] [2021-10-25 05:23:15,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357268987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:23:15,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 05:23:15,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 05:23:15,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866448452] [2021-10-25 05:23:15,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-25 05:23:15,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:15,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-25 05:23:15,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-25 05:23:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:15,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:15,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 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) [2021-10-25 05:23:15,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:15,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:15,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 05:23:15,105 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:15,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:15,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1343567135, now seen corresponding path program 1 times [2021-10-25 05:23:15,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:15,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067049382] [2021-10-25 05:23:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:15,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:15,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:15,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067049382] [2021-10-25 05:23:15,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067049382] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:15,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638197892] [2021-10-25 05:23:15,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:15,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:15,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:15,335 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) [2021-10-25 05:23:15,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 05:23:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:15,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-25 05:23:15,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:15,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638197892] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:23:15,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-25 05:23:15,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-10-25 05:23:15,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518749736] [2021-10-25 05:23:15,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-25 05:23:15,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:15,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-25 05:23:16,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-25 05:23:16,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:16,000 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:16,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 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) [2021-10-25 05:23:16,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:16,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:16,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:16,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:16,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:16,387 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 [2021-10-25 05:23:16,388 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:16,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:16,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1276165944, now seen corresponding path program 1 times [2021-10-25 05:23:16,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:16,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675213938] [2021-10-25 05:23:16,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:16,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-25 05:23:16,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:16,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675213938] [2021-10-25 05:23:16,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675213938] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:23:16,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 05:23:16,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 05:23:16,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900985430] [2021-10-25 05:23:16,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 05:23:16,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:16,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 05:23:16,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 05:23:16,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:16,541 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:16,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2021-10-25 05:23:16,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:16,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:16,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:16,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:16,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:16,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 05:23:16,591 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:16,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:16,592 INFO L82 PathProgramCache]: Analyzing trace with hash -277284677, now seen corresponding path program 2 times [2021-10-25 05:23:16,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:16,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299906801] [2021-10-25 05:23:16,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:16,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 05:23:16,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:16,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299906801] [2021-10-25 05:23:16,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299906801] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:16,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44372094] [2021-10-25 05:23:16,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:23:16,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:16,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:16,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:16,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 05:23:16,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-25 05:23:16,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:16,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-25 05:23:16,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-25 05:23:17,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44372094] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:23:17,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-25 05:23:17,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-10-25 05:23:17,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054500760] [2021-10-25 05:23:17,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-25 05:23:17,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:17,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-25 05:23:17,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-25 05:23:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:17,301 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:17,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 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) [2021-10-25 05:23:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:17,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:17,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:17,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:17,548 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:17,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:17,549 INFO L82 PathProgramCache]: Analyzing trace with hash 768548818, now seen corresponding path program 1 times [2021-10-25 05:23:17,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:17,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852139632] [2021-10-25 05:23:17,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:17,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 05:23:17,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:17,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852139632] [2021-10-25 05:23:17,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852139632] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:17,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706848797] [2021-10-25 05:23:17,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:17,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:17,650 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) [2021-10-25 05:23:17,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 05:23:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:17,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-25 05:23:17,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 05:23:18,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706848797] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:18,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:18,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-25 05:23:18,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750087242] [2021-10-25 05:23:18,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 05:23:18,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:18,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 05:23:18,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-25 05:23:18,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:18,423 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:18,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.0) internal successors, (210), 7 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 05:23:18,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:18,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:18,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:18,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:18,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 05:23:18,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:18,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:18,696 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:18,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:18,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1881697423, now seen corresponding path program 2 times [2021-10-25 05:23:18,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:18,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012577861] [2021-10-25 05:23:18,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:18,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:18,769 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-25 05:23:18,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:18,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012577861] [2021-10-25 05:23:18,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012577861] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:18,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430133965] [2021-10-25 05:23:18,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:23:18,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:18,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:18,771 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:18,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 05:23:19,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 05:23:19,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:19,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-25 05:23:19,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 67 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 05:23:19,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430133965] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:19,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:19,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-10-25 05:23:19,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787061863] [2021-10-25 05:23:19,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-25 05:23:19,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:19,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-25 05:23:19,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-25 05:23:19,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:19,706 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:19,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 28.9) internal successors, (289), 10 states have internal predecessors, (289), 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) [2021-10-25 05:23:19,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:19,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:19,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:19,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:19,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-25 05:23:19,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:19,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:19,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:19,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:20,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:20,094 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:20,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:20,094 INFO L82 PathProgramCache]: Analyzing trace with hash 848470619, now seen corresponding path program 1 times [2021-10-25 05:23:20,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:20,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039588170] [2021-10-25 05:23:20,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:20,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 482 proven. 4 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-10-25 05:23:20,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:20,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039588170] [2021-10-25 05:23:20,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039588170] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:20,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038702914] [2021-10-25 05:23:20,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:20,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:20,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:20,210 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) [2021-10-25 05:23:20,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 05:23:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:20,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-25 05:23:20,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 444 proven. 147 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-10-25 05:23:21,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038702914] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:21,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:21,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2021-10-25 05:23:21,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777452616] [2021-10-25 05:23:21,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-25 05:23:21,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:21,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-25 05:23:21,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-10-25 05:23:21,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:21,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:21,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 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) [2021-10-25 05:23:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:21,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:21,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:21,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:21,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:21,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:22,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:22,047 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:22,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:22,047 INFO L82 PathProgramCache]: Analyzing trace with hash 295849243, now seen corresponding path program 3 times [2021-10-25 05:23:22,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:22,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965611736] [2021-10-25 05:23:22,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:22,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-25 05:23:22,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:22,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965611736] [2021-10-25 05:23:22,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965611736] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:23:22,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 05:23:22,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-25 05:23:22,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636346637] [2021-10-25 05:23:22,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 05:23:22,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:22,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 05:23:22,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-25 05:23:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:22,211 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:22,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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) [2021-10-25 05:23:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:22,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-25 05:23:22,311 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:22,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:22,311 INFO L82 PathProgramCache]: Analyzing trace with hash -2017337828, now seen corresponding path program 4 times [2021-10-25 05:23:22,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:22,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989298730] [2021-10-25 05:23:22,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:22,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 270 proven. 264 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-25 05:23:22,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:22,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989298730] [2021-10-25 05:23:22,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989298730] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:22,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581775155] [2021-10-25 05:23:22,471 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 05:23:22,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:22,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:22,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:22,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-25 05:23:22,992 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 05:23:22,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:22,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-25 05:23:22,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-10-25 05:23:23,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581775155] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:23:23,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-25 05:23:23,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2021-10-25 05:23:23,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333776427] [2021-10-25 05:23:23,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-25 05:23:23,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:23,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-25 05:23:23,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-10-25 05:23:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:23,801 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:23,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 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) [2021-10-25 05:23:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:23,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:23,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-25 05:23:24,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:24,060 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:24,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:24,060 INFO L82 PathProgramCache]: Analyzing trace with hash -127494429, now seen corresponding path program 1 times [2021-10-25 05:23:24,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:24,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574596228] [2021-10-25 05:23:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:24,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 12 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:24,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:24,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574596228] [2021-10-25 05:23:24,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574596228] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:24,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755491824] [2021-10-25 05:23:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:24,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:24,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:24,212 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) [2021-10-25 05:23:24,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-25 05:23:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:24,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-25 05:23:24,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 12 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:25,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755491824] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:25,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:25,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-10-25 05:23:25,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456610648] [2021-10-25 05:23:25,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-25 05:23:25,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:25,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-25 05:23:25,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-25 05:23:25,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:25,488 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:25,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 19.76923076923077) internal successors, (257), 13 states have internal predecessors, (257), 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) [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:25,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:25,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-25 05:23:25,824 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:25,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:25,824 INFO L82 PathProgramCache]: Analyzing trace with hash -443959836, now seen corresponding path program 2 times [2021-10-25 05:23:25,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:25,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596122901] [2021-10-25 05:23:25,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:25,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 15 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:26,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:26,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596122901] [2021-10-25 05:23:26,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596122901] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:26,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336064133] [2021-10-25 05:23:26,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:23:26,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:26,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:26,005 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:26,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-25 05:23:26,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 05:23:26,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:26,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-25 05:23:26,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 15 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:27,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336064133] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:27,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:27,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-10-25 05:23:27,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573529042] [2021-10-25 05:23:27,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-25 05:23:27,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:27,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-25 05:23:27,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-10-25 05:23:27,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:27,529 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:27,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 19.4) internal successors, (291), 15 states have internal predecessors, (291), 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) [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:27,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:27,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:27,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:27,878 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:27,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:27,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1878906021, now seen corresponding path program 3 times [2021-10-25 05:23:27,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:27,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9406542] [2021-10-25 05:23:27,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:27,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 18 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:28,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:28,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9406542] [2021-10-25 05:23:28,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9406542] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:28,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474040524] [2021-10-25 05:23:28,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 05:23:28,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:28,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:28,095 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) [2021-10-25 05:23:28,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-25 05:23:29,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-25 05:23:29,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:29,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-25 05:23:29,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 18 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:29,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474040524] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:29,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:29,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-10-25 05:23:29,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295015471] [2021-10-25 05:23:29,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-25 05:23:29,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:29,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-25 05:23:29,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-25 05:23:29,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:29,922 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:29,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.11764705882353) internal successors, (325), 17 states have internal predecessors, (325), 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) [2021-10-25 05:23:29,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:29,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:30,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:30,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-25 05:23:30,331 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:30,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:30,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1297285926, now seen corresponding path program 4 times [2021-10-25 05:23:30,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:30,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695547395] [2021-10-25 05:23:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:30,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 21 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:30,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:30,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695547395] [2021-10-25 05:23:30,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695547395] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:30,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045794567] [2021-10-25 05:23:30,560 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 05:23:30,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:30,564 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) [2021-10-25 05:23:30,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-25 05:23:31,604 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 05:23:31,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:31,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-25 05:23:31,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 21 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:32,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045794567] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:32,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:32,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-10-25 05:23:32,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211624594] [2021-10-25 05:23:32,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-25 05:23:32,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:32,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-25 05:23:32,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-10-25 05:23:32,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:32,504 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:32,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 18.894736842105264) internal successors, (359), 19 states have internal predecessors, (359), 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) [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:32,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:32,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:32,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-25 05:23:32,935 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:32,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:32,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1528123751, now seen corresponding path program 5 times [2021-10-25 05:23:32,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:32,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441875015] [2021-10-25 05:23:32,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:32,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 24 proven. 1072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:33,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:33,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441875015] [2021-10-25 05:23:33,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441875015] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:33,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689317447] [2021-10-25 05:23:33,287 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 05:23:33,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:33,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:33,288 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:33,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-25 05:23:34,331 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-10-25 05:23:34,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:34,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-25 05:23:34,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 24 proven. 1072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:35,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689317447] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:35,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:35,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-10-25 05:23:35,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49147113] [2021-10-25 05:23:35,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-25 05:23:35,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:35,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-25 05:23:35,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-10-25 05:23:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:35,331 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:35,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 18.714285714285715) internal successors, (393), 21 states have internal predecessors, (393), 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) [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:35,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:35,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:35,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:35,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:35,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:35,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:35,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-25 05:23:35,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-25 05:23:35,831 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:35,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:35,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1613967512, now seen corresponding path program 6 times [2021-10-25 05:23:35,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:35,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534610368] [2021-10-25 05:23:35,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:35,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 27 proven. 1359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:36,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:36,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534610368] [2021-10-25 05:23:36,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534610368] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:36,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796813167] [2021-10-25 05:23:36,140 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 05:23:36,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:36,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:36,144 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) [2021-10-25 05:23:36,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-25 05:23:37,641 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-10-25 05:23:37,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:37,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-25 05:23:37,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 27 proven. 1359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:38,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796813167] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:38,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:38,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-10-25 05:23:38,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076509940] [2021-10-25 05:23:38,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-25 05:23:38,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:38,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-25 05:23:38,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-10-25 05:23:38,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:38,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:38,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 18.565217391304348) internal successors, (427), 23 states have internal predecessors, (427), 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) [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:38,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:38,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:38,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:38,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:38,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:38,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:39,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:39,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-25 05:23:39,254 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:39,254 INFO L82 PathProgramCache]: Analyzing trace with hash 201166121, now seen corresponding path program 7 times [2021-10-25 05:23:39,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:39,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929144548] [2021-10-25 05:23:39,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:39,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 30 proven. 1680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:39,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:39,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929144548] [2021-10-25 05:23:39,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929144548] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:39,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791490627] [2021-10-25 05:23:39,623 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 05:23:39,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:39,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:39,624 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:39,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-25 05:23:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:40,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-25 05:23:41,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 30 proven. 1680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:42,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791490627] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:42,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:42,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25 [2021-10-25 05:23:42,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625061344] [2021-10-25 05:23:42,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-10-25 05:23:42,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:42,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-25 05:23:42,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2021-10-25 05:23:42,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:42,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:42,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 18.44) internal successors, (461), 25 states have internal predecessors, (461), 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) [2021-10-25 05:23:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:42,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:42,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:42,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:23:42,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:42,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:42,735 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:42,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:42,736 INFO L82 PathProgramCache]: Analyzing trace with hash -81290582, now seen corresponding path program 8 times [2021-10-25 05:23:42,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:42,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950438188] [2021-10-25 05:23:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:42,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 33 proven. 2035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:43,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:43,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950438188] [2021-10-25 05:23:43,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950438188] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:43,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13701215] [2021-10-25 05:23:43,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:23:43,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:43,153 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:43,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-25 05:23:44,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 05:23:44,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:44,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-25 05:23:44,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 33 proven. 2035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:45,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13701215] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:45,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:45,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 27 [2021-10-25 05:23:45,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593507401] [2021-10-25 05:23:45,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-10-25 05:23:45,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-10-25 05:23:45,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2021-10-25 05:23:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:45,957 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:45,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 18.333333333333332) internal successors, (495), 27 states have internal predecessors, (495), 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) [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:23:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:23:46,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:46,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-25 05:23:46,631 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:46,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:46,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1959200747, now seen corresponding path program 9 times [2021-10-25 05:23:46,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:46,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291377955] [2021-10-25 05:23:46,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:46,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 36 proven. 2424 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:47,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:47,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291377955] [2021-10-25 05:23:47,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291377955] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:47,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192985514] [2021-10-25 05:23:47,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 05:23:47,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:47,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:47,102 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:47,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-25 05:23:50,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-10-25 05:23:50,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:50,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-25 05:23:50,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 36 proven. 2424 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:51,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192985514] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:51,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:51,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 29 [2021-10-25 05:23:51,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84955546] [2021-10-25 05:23:51,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-25 05:23:51,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:51,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-25 05:23:51,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2021-10-25 05:23:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:51,624 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:51,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 18.24137931034483) internal successors, (529), 29 states have internal predecessors, (529), 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) [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:51,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:51,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:51,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:23:51,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:23:51,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:23:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:23:52,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:52,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-25 05:23:52,382 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:52,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:52,382 INFO L82 PathProgramCache]: Analyzing trace with hash 760472812, now seen corresponding path program 10 times [2021-10-25 05:23:52,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:52,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343079290] [2021-10-25 05:23:52,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:52,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 39 proven. 2847 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:52,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:52,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343079290] [2021-10-25 05:23:52,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343079290] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:52,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818966475] [2021-10-25 05:23:52,966 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 05:23:52,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:52,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:52,967 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:52,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-25 05:23:55,881 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 05:23:55,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:23:55,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-25 05:23:55,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:23:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 39 proven. 2847 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:57,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818966475] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:57,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:23:57,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 31 [2021-10-25 05:23:57,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919830877] [2021-10-25 05:23:57,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-25 05:23:57,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:23:57,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-25 05:23:57,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-10-25 05:23:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:57,392 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:23:57,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 18.161290322580644) internal successors, (563), 31 states have internal predecessors, (563), 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) [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:57,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:57,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:57,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:57,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:23:57,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:23:57,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:23:57,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:57,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:23:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:23:57,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:23:57,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-25 05:23:58,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:58,155 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:23:58,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:23:58,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1195524525, now seen corresponding path program 11 times [2021-10-25 05:23:58,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:23:58,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292075400] [2021-10-25 05:23:58,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:23:58,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:23:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:23:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3346 backedges. 42 proven. 3304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:23:58,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:23:58,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292075400] [2021-10-25 05:23:58,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292075400] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:23:58,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109513852] [2021-10-25 05:23:58,704 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 05:23:58,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:23:58,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:23:58,705 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:23:58,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-25 05:24:03,605 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-10-25 05:24:03,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:24:03,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-25 05:24:03,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:24:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3346 backedges. 42 proven. 3304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:05,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109513852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:05,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:24:05,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 33 [2021-10-25 05:24:05,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939627280] [2021-10-25 05:24:05,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-25 05:24:05,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:24:05,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-25 05:24:05,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2021-10-25 05:24:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:05,210 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:24:05,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 18.09090909090909) internal successors, (597), 33 states have internal predecessors, (597), 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) [2021-10-25 05:24:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:05,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:05,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:05,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:05,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-25 05:24:06,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:06,028 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:24:06,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:24:06,029 INFO L82 PathProgramCache]: Analyzing trace with hash -738054610, now seen corresponding path program 12 times [2021-10-25 05:24:06,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:24:06,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447778092] [2021-10-25 05:24:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:24:06,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:24:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:24:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 45 proven. 3795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:06,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:24:06,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447778092] [2021-10-25 05:24:06,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447778092] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:06,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996684257] [2021-10-25 05:24:06,627 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 05:24:06,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:06,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:24:06,628 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:24:06,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-25 05:24:12,304 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-10-25 05:24:12,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:24:12,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-25 05:24:12,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:24:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 45 proven. 3795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:13,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996684257] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:13,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:24:13,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 35 [2021-10-25 05:24:13,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221586956] [2021-10-25 05:24:13,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-10-25 05:24:13,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:24:13,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-10-25 05:24:13,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2021-10-25 05:24:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:13,952 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:24:13,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 18.02857142857143) internal successors, (631), 35 states have internal predecessors, (631), 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) [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:13,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:13,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:13,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:13,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:13,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:13,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:13,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:14,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-25 05:24:14,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:14,819 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:24:14,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:24:14,820 INFO L82 PathProgramCache]: Analyzing trace with hash 352303727, now seen corresponding path program 13 times [2021-10-25 05:24:14,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:24:14,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273859227] [2021-10-25 05:24:14,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:24:14,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:24:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:24:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4368 backedges. 48 proven. 4320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:15,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:24:15,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273859227] [2021-10-25 05:24:15,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273859227] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:15,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888991251] [2021-10-25 05:24:15,482 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 05:24:15,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:15,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:24:15,484 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:24:15,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-25 05:24:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:24:18,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-25 05:24:18,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:24:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4368 backedges. 48 proven. 4320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:19,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888991251] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:19,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:24:19,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 37 [2021-10-25 05:24:19,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475807701] [2021-10-25 05:24:19,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-10-25 05:24:19,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:24:19,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-10-25 05:24:19,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332 [2021-10-25 05:24:19,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:19,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:24:19,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 17.972972972972972) internal successors, (665), 37 states have internal predecessors, (665), 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) [2021-10-25 05:24:19,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:19,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:19,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:19,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:19,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:19,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:24:20,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-10-25 05:24:20,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-25 05:24:20,683 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:24:20,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:24:20,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2091054704, now seen corresponding path program 14 times [2021-10-25 05:24:20,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:24:20,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608946300] [2021-10-25 05:24:20,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:24:20,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:24:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:24:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4930 backedges. 51 proven. 4879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:21,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:24:21,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608946300] [2021-10-25 05:24:21,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608946300] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:21,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286220674] [2021-10-25 05:24:21,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:24:21,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:21,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:24:21,358 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:24:21,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-25 05:24:24,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 05:24:24,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:24:24,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-25 05:24:24,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:24:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4930 backedges. 51 proven. 4879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:25,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286220674] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:25,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:24:25,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 39 [2021-10-25 05:24:25,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392750800] [2021-10-25 05:24:25,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-10-25 05:24:25,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:24:25,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-10-25 05:24:25,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1083, Unknown=0, NotChecked=0, Total=1482 [2021-10-25 05:24:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:25,835 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:24:25,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 17.923076923076923) internal successors, (699), 39 states have internal predecessors, (699), 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) [2021-10-25 05:24:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:25,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:24:25,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:24:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:24:26,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-25 05:24:26,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-25 05:24:26,802 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:24:26,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:24:26,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1867510321, now seen corresponding path program 15 times [2021-10-25 05:24:26,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:24:26,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103203525] [2021-10-25 05:24:26,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:24:26,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:24:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:24:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5526 backedges. 54 proven. 5472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:27,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:24:27,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103203525] [2021-10-25 05:24:27,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103203525] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:27,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829194630] [2021-10-25 05:24:27,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 05:24:27,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:27,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:24:27,589 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:24:27,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-25 05:24:33,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-10-25 05:24:33,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:24:33,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-25 05:24:33,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:24:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5526 backedges. 54 proven. 5472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:35,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829194630] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:35,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:24:35,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 41 [2021-10-25 05:24:35,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457664430] [2021-10-25 05:24:35,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-10-25 05:24:35,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:24:35,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-10-25 05:24:35,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=1200, Unknown=0, NotChecked=0, Total=1640 [2021-10-25 05:24:35,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:35,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:24:35,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 17.878048780487806) internal successors, (733), 41 states have internal predecessors, (733), 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) [2021-10-25 05:24:35,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:35,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:35,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:35,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:35,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:24:35,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:24:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:24:36,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-10-25 05:24:36,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:36,907 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:24:36,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:24:36,907 INFO L82 PathProgramCache]: Analyzing trace with hash -999899726, now seen corresponding path program 16 times [2021-10-25 05:24:36,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:24:36,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329730976] [2021-10-25 05:24:36,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:24:36,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:24:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:24:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 57 proven. 6099 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:37,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:24:37,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329730976] [2021-10-25 05:24:37,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329730976] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:37,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617335463] [2021-10-25 05:24:37,662 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 05:24:37,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:37,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:24:37,663 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:24:37,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-25 05:24:45,431 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 05:24:45,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:24:45,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-25 05:24:45,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:24:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 57 proven. 6099 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:47,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617335463] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:47,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:24:47,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 43 [2021-10-25 05:24:47,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012985324] [2021-10-25 05:24:47,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-10-25 05:24:47,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:24:47,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-10-25 05:24:47,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2021-10-25 05:24:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:47,405 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:24:47,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 17.837209302325583) internal successors, (767), 43 states have internal predecessors, (767), 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) [2021-10-25 05:24:47,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:47,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:47,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:47,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:47,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:47,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:47,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:24:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:24:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:24:47,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:24:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:24:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:24:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:24:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:24:48,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-10-25 05:24:48,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:48,544 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:24:48,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:24:48,544 INFO L82 PathProgramCache]: Analyzing trace with hash 121858291, now seen corresponding path program 17 times [2021-10-25 05:24:48,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:24:48,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839773784] [2021-10-25 05:24:48,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:24:48,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:24:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:24:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6820 backedges. 60 proven. 6760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:24:49,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:24:49,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839773784] [2021-10-25 05:24:49,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839773784] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:24:49,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762556928] [2021-10-25 05:24:49,397 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 05:24:49,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:24:49,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:24:49,398 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:24:49,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-25 05:25:07,018 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2021-10-25 05:25:07,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:25:07,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-25 05:25:07,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:25:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6820 backedges. 60 proven. 6760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:25:09,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762556928] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:25:09,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:25:09,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 45 [2021-10-25 05:25:09,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369094568] [2021-10-25 05:25:09,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-10-25 05:25:09,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:25:09,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-10-25 05:25:09,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=1452, Unknown=0, NotChecked=0, Total=1980 [2021-10-25 05:25:09,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:09,077 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:25:09,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 17.8) internal successors, (801), 45 states have internal predecessors, (801), 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) [2021-10-25 05:25:09,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:25:09,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:25:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:10,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:25:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:25:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:25:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:25:10,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-25 05:25:10,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-25 05:25:10,323 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:25:10,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:25:10,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2017330164, now seen corresponding path program 18 times [2021-10-25 05:25:10,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:25:10,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909214569] [2021-10-25 05:25:10,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:25:10,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:25:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:25:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7518 backedges. 63 proven. 7455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:25:11,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:25:11,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909214569] [2021-10-25 05:25:11,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909214569] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:25:11,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338365184] [2021-10-25 05:25:11,221 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 05:25:11,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:25:11,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:25:11,222 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:25:11,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-25 05:25:46,363 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2021-10-25 05:25:46,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:25:46,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-25 05:25:46,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:25:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7518 backedges. 63 proven. 7455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:25:48,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338365184] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:25:48,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:25:48,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 47 [2021-10-25 05:25:48,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462287250] [2021-10-25 05:25:48,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2021-10-25 05:25:48,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:25:48,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-10-25 05:25:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=1587, Unknown=0, NotChecked=0, Total=2162 [2021-10-25 05:25:48,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:48,537 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:25:48,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 17.76595744680851) internal successors, (835), 47 states have internal predecessors, (835), 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) [2021-10-25 05:25:48,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:48,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:25:48,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:25:48,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:25:48,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:25:48,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:25:48,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:25:48,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:25:48,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:25:48,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:25:48,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:25:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:25:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:25:49,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-10-25 05:25:49,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-25 05:25:49,784 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:25:49,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:25:49,785 INFO L82 PathProgramCache]: Analyzing trace with hash -844456267, now seen corresponding path program 19 times [2021-10-25 05:25:49,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:25:49,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432093480] [2021-10-25 05:25:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:25:49,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:25:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:25:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 66 proven. 8184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:25:50,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:25:50,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432093480] [2021-10-25 05:25:50,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432093480] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:25:50,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554755906] [2021-10-25 05:25:50,858 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 05:25:50,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:25:50,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:25:50,859 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:25:50,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-25 05:25:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:25:54,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 46 conjunts are in the unsatisfiable core [2021-10-25 05:25:54,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:25:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 66 proven. 8184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:25:57,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554755906] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:25:57,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:25:57,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 49 [2021-10-25 05:25:57,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336302136] [2021-10-25 05:25:57,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-10-25 05:25:57,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:25:57,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-10-25 05:25:57,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=624, Invalid=1728, Unknown=0, NotChecked=0, Total=2352 [2021-10-25 05:25:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:57,029 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:25:57,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 17.73469387755102) internal successors, (869), 49 states have internal predecessors, (869), 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) [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:25:57,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:25:57,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:25:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:25:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:25:58,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-10-25 05:25:58,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-25 05:25:58,383 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:25:58,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:25:58,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1260828362, now seen corresponding path program 20 times [2021-10-25 05:25:58,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:25:58,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72167596] [2021-10-25 05:25:58,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:25:58,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:25:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:25:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9016 backedges. 69 proven. 8947 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:25:59,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:25:59,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72167596] [2021-10-25 05:25:59,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72167596] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:25:59,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129501415] [2021-10-25 05:25:59,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:25:59,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:25:59,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:25:59,536 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:25:59,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-25 05:26:03,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 05:26:03,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:26:03,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 48 conjunts are in the unsatisfiable core [2021-10-25 05:26:03,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:26:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9016 backedges. 69 proven. 8947 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:26:06,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129501415] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:26:06,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:26:06,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 51 [2021-10-25 05:26:06,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976990052] [2021-10-25 05:26:06,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-10-25 05:26:06,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:26:06,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-10-25 05:26:06,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=1875, Unknown=0, NotChecked=0, Total=2550 [2021-10-25 05:26:06,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:26:06,055 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:26:06,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 17.705882352941178) internal successors, (903), 51 states have internal predecessors, (903), 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) [2021-10-25 05:26:06,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:26:06,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:26:06,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:26:06,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:26:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:26:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:26:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:26:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:26:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:26:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:26:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:26:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:26:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:26:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:26:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:26:07,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:26:07,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-10-25 05:26:07,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-25 05:26:07,492 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:26:07,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:26:07,493 INFO L82 PathProgramCache]: Analyzing trace with hash 320213879, now seen corresponding path program 21 times [2021-10-25 05:26:07,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:26:07,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118758331] [2021-10-25 05:26:07,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:26:07,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:26:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:26:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 9816 backedges. 72 proven. 9744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:26:08,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:26:08,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118758331] [2021-10-25 05:26:08,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118758331] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:26:08,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594074297] [2021-10-25 05:26:08,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 05:26:08,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:26:08,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:26:08,900 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:26:08,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-25 05:26:39,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2021-10-25 05:26:39,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:26:39,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 50 conjunts are in the unsatisfiable core [2021-10-25 05:26:39,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:26:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 9816 backedges. 72 proven. 9744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:26:42,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594074297] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:26:42,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:26:42,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 53 [2021-10-25 05:26:42,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492155967] [2021-10-25 05:26:42,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-10-25 05:26:42,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:26:42,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-10-25 05:26:42,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=2028, Unknown=0, NotChecked=0, Total=2756 [2021-10-25 05:26:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:26:42,156 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:26:42,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 17.67924528301887) internal successors, (937), 53 states have internal predecessors, (937), 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) [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:26:42,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:26:42,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:26:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:26:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:26:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:26:43,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-25 05:26:43,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:26:43,708 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:26:43,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:26:43,708 INFO L82 PathProgramCache]: Analyzing trace with hash 111742328, now seen corresponding path program 22 times [2021-10-25 05:26:43,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:26:43,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748602525] [2021-10-25 05:26:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:26:43,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:26:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:26:44,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10650 backedges. 75 proven. 10575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:26:44,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:26:44,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748602525] [2021-10-25 05:26:44,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748602525] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:26:44,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418740647] [2021-10-25 05:26:44,996 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 05:26:44,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:26:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:26:44,997 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:26:44,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-25 05:27:06,790 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 05:27:06,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:27:06,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 52 conjunts are in the unsatisfiable core [2021-10-25 05:27:06,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:27:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10650 backedges. 75 proven. 10575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:27:09,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418740647] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:27:09,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:27:09,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 55 [2021-10-25 05:27:09,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683713766] [2021-10-25 05:27:09,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-10-25 05:27:09,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:27:09,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-10-25 05:27:09,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970 [2021-10-25 05:27:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:27:09,266 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:27:09,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 17.654545454545456) internal successors, (971), 55 states have internal predecessors, (971), 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) [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:27:09,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:27:09,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:27:10,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:27:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:27:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:27:10,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-10-25 05:27:10,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:27:10,911 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:27:10,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:27:10,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1479129287, now seen corresponding path program 23 times [2021-10-25 05:27:10,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:27:10,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674325866] [2021-10-25 05:27:10,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:27:10,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:27:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:27:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 11518 backedges. 78 proven. 11440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:27:12,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:27:12,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674325866] [2021-10-25 05:27:12,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674325866] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:27:12,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88216093] [2021-10-25 05:27:12,300 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 05:27:12,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:27:12,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:27:12,301 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:27:12,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-25 05:27:52,116 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2021-10-25 05:27:52,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:27:52,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 1743 conjuncts, 54 conjunts are in the unsatisfiable core [2021-10-25 05:27:52,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:27:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 11518 backedges. 78 proven. 11440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:27:54,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88216093] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:27:54,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:27:54,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 57 [2021-10-25 05:27:54,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117370487] [2021-10-25 05:27:54,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-10-25 05:27:54,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:27:54,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-10-25 05:27:54,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=840, Invalid=2352, Unknown=0, NotChecked=0, Total=3192 [2021-10-25 05:27:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:27:54,750 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:27:54,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 17.63157894736842) internal successors, (1005), 57 states have internal predecessors, (1005), 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) [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:27:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:27:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:27:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:27:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:27:56,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-25 05:27:56,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-10-25 05:27:56,513 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:27:56,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:27:56,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1981951814, now seen corresponding path program 24 times [2021-10-25 05:27:56,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:27:56,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177186296] [2021-10-25 05:27:56,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:27:56,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:27:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:27:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12420 backedges. 81 proven. 12339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:27:58,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:27:58,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177186296] [2021-10-25 05:27:58,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177186296] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:27:58,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677662519] [2021-10-25 05:27:58,020 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 05:27:58,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:27:58,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:27:58,021 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:27:58,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-10-25 05:31:19,150 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2021-10-25 05:31:19,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:31:19,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1803 conjuncts, 56 conjunts are in the unsatisfiable core [2021-10-25 05:31:19,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:31:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12420 backedges. 81 proven. 12339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:31:21,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677662519] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:31:21,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:31:21,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57] total 59 [2021-10-25 05:31:21,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114497504] [2021-10-25 05:31:21,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2021-10-25 05:31:21,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:31:21,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-10-25 05:31:21,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=2523, Unknown=0, NotChecked=0, Total=3422 [2021-10-25 05:31:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:21,893 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:31:21,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 17.610169491525422) internal successors, (1039), 59 states have internal predecessors, (1039), 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) [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:31:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:31:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:23,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:31:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:31:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:31:23,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-10-25 05:31:23,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:31:23,784 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:31:23,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:31:23,784 INFO L82 PathProgramCache]: Analyzing trace with hash -67388933, now seen corresponding path program 25 times [2021-10-25 05:31:23,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:31:23,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783049539] [2021-10-25 05:31:23,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:31:23,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:31:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:31:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 13356 backedges. 84 proven. 13272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:31:25,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:31:25,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783049539] [2021-10-25 05:31:25,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783049539] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:31:25,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644418815] [2021-10-25 05:31:25,384 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 05:31:25,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:31:25,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:31:25,388 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:31:25,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-25 05:31:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:31:31,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1863 conjuncts, 58 conjunts are in the unsatisfiable core [2021-10-25 05:31:31,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:31:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13356 backedges. 84 proven. 13272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:31:34,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644418815] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:31:34,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:31:34,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 61 [2021-10-25 05:31:34,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87158051] [2021-10-25 05:31:34,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2021-10-25 05:31:34,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:31:34,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-10-25 05:31:34,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2021-10-25 05:31:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:34,267 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:31:34,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 17.59016393442623) internal successors, (1073), 61 states have internal predecessors, (1073), 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) [2021-10-25 05:31:34,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:34,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:31:34,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:31:34,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:31:34,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:34,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:34,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:31:34,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:31:34,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:31:34,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:31:34,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:31:34,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:31:34,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:31:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:31:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:31:36,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-10-25 05:31:36,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:31:36,235 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:31:36,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:31:36,235 INFO L82 PathProgramCache]: Analyzing trace with hash 174592764, now seen corresponding path program 26 times [2021-10-25 05:31:36,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:31:36,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191273948] [2021-10-25 05:31:36,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:31:36,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:31:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:31:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 14326 backedges. 87 proven. 14239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:31:37,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:31:37,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191273948] [2021-10-25 05:31:37,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191273948] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:31:37,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170433237] [2021-10-25 05:31:37,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:31:37,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:31:37,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:31:37,680 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:31:37,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-25 05:31:44,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 05:31:44,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:31:44,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1923 conjuncts, 60 conjunts are in the unsatisfiable core [2021-10-25 05:31:44,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:31:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14326 backedges. 87 proven. 14239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:31:47,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170433237] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:31:47,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:31:47,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61] total 63 [2021-10-25 05:31:47,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422817787] [2021-10-25 05:31:47,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-10-25 05:31:47,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:31:47,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-10-25 05:31:47,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2021-10-25 05:31:47,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:47,060 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:31:47,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 17.571428571428573) internal successors, (1107), 63 states have internal predecessors, (1107), 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) [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:31:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:31:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:31:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:31:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:31:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:31:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:31:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:31:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:31:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:31:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:31:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:31:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:31:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:31:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:31:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:31:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-25 05:31:48,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2021-10-25 05:31:49,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-25 05:31:49,160 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:31:49,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:31:49,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1062661053, now seen corresponding path program 27 times [2021-10-25 05:31:49,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:31:49,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813319267] [2021-10-25 05:31:49,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:31:49,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:31:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:31:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 15330 backedges. 90 proven. 15240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:31:50,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:31:50,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813319267] [2021-10-25 05:31:50,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813319267] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:31:50,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049401553] [2021-10-25 05:31:50,708 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 05:31:50,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:31:50,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:31:50,712 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:31:50,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-10-25 05:34:13,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2021-10-25 05:34:13,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:34:13,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 62 conjunts are in the unsatisfiable core [2021-10-25 05:34:13,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:34:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15330 backedges. 90 proven. 15240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:34:16,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049401553] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:34:16,728 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:34:16,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 65 [2021-10-25 05:34:16,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562714792] [2021-10-25 05:34:16,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-10-25 05:34:16,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:34:16,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-10-25 05:34:16,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1088, Invalid=3072, Unknown=0, NotChecked=0, Total=4160 [2021-10-25 05:34:16,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:34:16,732 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:34:16,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 17.553846153846155) internal successors, (1141), 65 states have internal predecessors, (1141), 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) [2021-10-25 05:34:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:34:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:34:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:34:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:34:16,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:34:16,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:34:16,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:34:16,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:34:16,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-25 05:34:16,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:34:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:34:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-25 05:34:18,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-25 05:34:18,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-10-25 05:34:19,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-25 05:34:19,047 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:34:19,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:34:19,048 INFO L82 PathProgramCache]: Analyzing trace with hash 603477054, now seen corresponding path program 28 times [2021-10-25 05:34:19,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:34:19,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889304025] [2021-10-25 05:34:19,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:34:19,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:34:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:34:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 16368 backedges. 93 proven. 16275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:34:20,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:34:20,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889304025] [2021-10-25 05:34:20,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889304025] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:34:20,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778063848] [2021-10-25 05:34:20,679 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 05:34:20,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:34:20,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:34:20,680 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:34:20,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-10-25 05:34:56,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 05:34:56,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:34:56,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 64 conjunts are in the unsatisfiable core [2021-10-25 05:34:56,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:34:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 16368 backedges. 93 proven. 16275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:34:59,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778063848] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:34:59,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:34:59,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65] total 67 [2021-10-25 05:34:59,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128302104] [2021-10-25 05:34:59,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2021-10-25 05:34:59,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:34:59,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-10-25 05:34:59,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1155, Invalid=3267, Unknown=0, NotChecked=0, Total=4422 [2021-10-25 05:34:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:34:59,442 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:34:59,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 17.53731343283582) internal successors, (1175), 67 states have internal predecessors, (1175), 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) [2021-10-25 05:34:59,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:34:59,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:34:59,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:34:59,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:34:59,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:34:59,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-25 05:34:59,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-25 05:34:59,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:35:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:35:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-25 05:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-25 05:35:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-25 05:35:01,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-10-25 05:35:01,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-10-25 05:35:01,821 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:35:01,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:35:01,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2122818433, now seen corresponding path program 29 times [2021-10-25 05:35:01,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:35:01,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398290556] [2021-10-25 05:35:01,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:35:01,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:35:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:35:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 17440 backedges. 96 proven. 17344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:35:03,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:35:03,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398290556] [2021-10-25 05:35:03,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398290556] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:35:03,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720681844] [2021-10-25 05:35:03,687 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 05:35:03,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:35:03,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:35:03,688 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:35:03,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-10-25 05:36:24,194 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2021-10-25 05:36:24,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:36:24,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 2103 conjuncts, 66 conjunts are in the unsatisfiable core [2021-10-25 05:36:24,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:36:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 17440 backedges. 96 proven. 17344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:36:27,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720681844] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:36:27,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:36:27,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 69 [2021-10-25 05:36:27,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720521952] [2021-10-25 05:36:27,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-10-25 05:36:27,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:36:27,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-10-25 05:36:27,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=3468, Unknown=0, NotChecked=0, Total=4692 [2021-10-25 05:36:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:27,381 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:36:27,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 17.52173913043478) internal successors, (1209), 69 states have internal predecessors, (1209), 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) [2021-10-25 05:36:27,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:36:27,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-10-25 05:36:27,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:36:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:36:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:36:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:36:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:36:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-25 05:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-25 05:36:29,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2021-10-25 05:36:29,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:36:29,833 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 05:36:29,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:36:29,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1644106880, now seen corresponding path program 30 times [2021-10-25 05:36:29,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:36:29,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494432967] [2021-10-25 05:36:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:36:29,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:36:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:36:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 18546 backedges. 99 proven. 18447 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:36:31,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:36:31,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494432967] [2021-10-25 05:36:31,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494432967] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:36:31,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680042049] [2021-10-25 05:36:31,863 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 05:36:31,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:36:31,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:36:31,864 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:36:31,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process Received shutdown request... [2021-10-25 05:36:40,995 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 05:36:40,995 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 05:36:40,995 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 05:36:42,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 05:36:42,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2021-10-25 05:36:42,219 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forcibly destroying the process [2021-10-25 05:36:42,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 137 [2021-10-25 05:36:42,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-25 05:36:42,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-25 05:36:42,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2021-10-25 05:36:42,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788046186] [2021-10-25 05:36:42,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-10-25 05:36:42,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:36:42,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-10-25 05:36:42,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=3468, Unknown=0, NotChecked=0, Total=4692 [2021-10-25 05:36:42,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:42,234 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:36:42,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 17.18840579710145) internal successors, (1186), 69 states have internal predecessors, (1186), 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) [2021-10-25 05:36:42,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:42,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-10-25 05:36:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-25 05:36:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:42,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-25 05:36:42,237 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2021-10-25 05:36:42,239 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 05:36:42,244 INFO L308 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork1 was TIMEOUT (1/3) [2021-10-25 05:36:42,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 05:36:42,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:36:42,247 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 05:36:42,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (39)] Waiting until timeout for monitored process [2021-10-25 05:36:42,250 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (39)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 05:36:42,251 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 05:36:42,251 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 05:36:42,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-25 05:36:42,251 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. [2021-10-25 05:36:42,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 05:36:42,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 05:36:42,252 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT (2/3) [2021-10-25 05:36:42,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 05:36:42,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:36:42,260 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 05:36:42,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (40)] Waiting until timeout for monitored process [2021-10-25 05:36:42,267 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (40)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 05:36:42,268 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork0 ======== [2021-10-25 05:36:42,268 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 05:36:42,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-25 05:36:42,268 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. [2021-10-25 05:36:42,268 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 05:36:42,269 INFO L308 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork0 was TIMEOUT (3/3) [2021-10-25 05:36:42,269 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 05:36:42,269 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 05:36:42,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 05:36:42 BasicIcfg [2021-10-25 05:36:42,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 05:36:42,272 INFO L168 Benchmark]: Toolchain (without parser) took 809085.41 ms. Allocated memory was 168.8 MB in the beginning and 967.8 MB in the end (delta: 799.0 MB). Free memory was 116.4 MB in the beginning and 322.2 MB in the end (delta: -205.8 MB). Peak memory consumption was 594.0 MB. Max. memory is 8.0 GB. [2021-10-25 05:36:42,273 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 168.8 MB. Free memory is still 134.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 05:36:42,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.30 ms. Allocated memory is still 168.8 MB. Free memory was 116.2 MB in the beginning and 124.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-25 05:36:42,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.30 ms. Allocated memory is still 168.8 MB. Free memory was 124.2 MB in the beginning and 121.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-25 05:36:42,273 INFO L168 Benchmark]: Boogie Preprocessor took 34.33 ms. Allocated memory is still 168.8 MB. Free memory was 121.6 MB in the beginning and 119.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 05:36:42,274 INFO L168 Benchmark]: RCFGBuilder took 474.45 ms. Allocated memory was 168.8 MB in the beginning and 215.0 MB in the end (delta: 46.1 MB). Free memory was 119.9 MB in the beginning and 185.8 MB in the end (delta: -66.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 8.0 GB. [2021-10-25 05:36:42,274 INFO L168 Benchmark]: TraceAbstraction took 807992.34 ms. Allocated memory was 215.0 MB in the beginning and 967.8 MB in the end (delta: 752.9 MB). Free memory was 185.8 MB in the beginning and 322.2 MB in the end (delta: -136.4 MB). Peak memory consumption was 617.0 MB. Max. memory is 8.0 GB. [2021-10-25 05:36:42,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 168.8 MB. Free memory is still 134.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 522.30 ms. Allocated memory is still 168.8 MB. Free memory was 116.2 MB in the beginning and 124.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 56.30 ms. Allocated memory is still 168.8 MB. Free memory was 124.2 MB in the beginning and 121.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.33 ms. Allocated memory is still 168.8 MB. Free memory was 121.6 MB in the beginning and 119.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 474.45 ms. Allocated memory was 168.8 MB in the beginning and 215.0 MB in the end (delta: 46.1 MB). Free memory was 119.9 MB in the beginning and 185.8 MB in the end (delta: -66.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 807992.34 ms. Allocated memory was 215.0 MB in the beginning and 967.8 MB in the end (delta: 752.9 MB). Free memory was 185.8 MB in the beginning and 322.2 MB in the end (delta: -136.4 MB). Peak memory consumption was 617.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33379, positive: 31089, positive conditional: 24781, positive unconditional: 6308, negative: 2290, negative conditional: 2270, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31124, positive: 31089, positive conditional: 0, positive unconditional: 31089, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4836, positive: 4815, positive conditional: 0, positive unconditional: 4815, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4836, positive: 4811, positive conditional: 0, positive unconditional: 4811, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31124, positive: 26274, positive conditional: 0, positive unconditional: 26274, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 4836, unknown conditional: 0, unknown unconditional: 4836] , Statistics on independence cache: Total cache size (in pairs): 4836, Positive cache size: 4815, Positive conditional cache size: 0, Positive unconditional cache size: 4815, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Independence queries for same thread: 2255 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 183, Number of persistent set computation: 239, Number of trivial persistent sets: 166, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33379, positive: 31089, positive conditional: 24781, positive unconditional: 6308, negative: 2290, negative conditional: 2270, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31124, positive: 31089, positive conditional: 0, positive unconditional: 31089, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4836, positive: 4815, positive conditional: 0, positive unconditional: 4815, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4836, positive: 4811, positive conditional: 0, positive unconditional: 4811, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31124, positive: 26274, positive conditional: 0, positive unconditional: 26274, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 4836, unknown conditional: 0, unknown unconditional: 4836] , Statistics on independence cache: Total cache size (in pairs): 4836, Positive cache size: 4815, Positive conditional cache size: 0, Positive unconditional cache size: 4815, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Independence queries for same thread: 2255 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 0, Number of persistent set computation: 0, Number of trivial persistent sets: 0, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 0, Number of persistent set computation: 0, Number of trivial persistent sets: 0, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 230 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 807773.9ms, OverallIterations: 39, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 29453.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1724, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2061.0ms SsaConstructionTime, 578854.9ms SatisfiabilityAnalysisTime, 84302.9ms InterpolantComputationTime, 43511 NumberOfCodeBlocks, 43384 NumberOfCodeBlocksAsserted, 347 NumberOfCheckSat, 43437 ConstructedInterpolants, 0 QuantifiedInterpolants, 124285 SizeOfPredicates, 1060 NumberOfNonLiveVariables, 38993 ConjunctsInSsa, 1132 ConjunctsInUnsatCore, 74 InterpolantComputations, 6 PerfectInterpolantSequences, 6544/411899 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 230 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 230 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 15.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown