/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 05:02:35,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 05:02:35,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 05:02:35,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 05:02:35,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 05:02:35,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 05:02:35,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 05:02:35,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 05:02:35,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 05:02:35,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 05:02:35,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 05:02:35,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 05:02:35,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 05:02:35,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 05:02:35,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 05:02:35,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 05:02:35,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 05:02:35,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 05:02:35,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 05:02:35,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 05:02:35,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 05:02:35,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 05:02:35,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 05:02:35,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 05:02:35,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 05:02:35,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 05:02:35,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 05:02:35,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 05:02:35,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 05:02:35,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 05:02:35,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 05:02:35,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 05:02:35,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 05:02:35,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 05:02:35,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 05:02:35,552 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 05:02:35,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 05:02:35,553 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 05:02:35,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 05:02:35,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 05:02:35,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 05:02:35,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 05:02:35,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 05:02:35,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 05:02:35,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 05:02:35,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 05:02:35,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 05:02:35,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 05:02:35,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 05:02:35,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 05:02:35,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 05:02:35,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 05:02:35,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 05:02:35,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 05:02:35,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 05:02:35,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 05:02:35,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 05:02:35,556 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 05:02:35,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 05:02:35,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 05:02:35,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 05:02:35,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 05:02:35,557 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 05:02:35,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 05:02:35,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 05:02:35,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 05:02:35,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 05:02:35,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 05:02:35,883 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 05:02:35,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2021-07-14 05:02:35,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc101e282/4d63f84d6655431aa367c0f35fc336af/FLAG94490cce3 [2021-07-14 05:02:36,470 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 05:02:36,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2021-07-14 05:02:36,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc101e282/4d63f84d6655431aa367c0f35fc336af/FLAG94490cce3 [2021-07-14 05:02:36,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc101e282/4d63f84d6655431aa367c0f35fc336af [2021-07-14 05:02:36,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 05:02:36,975 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 05:02:36,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 05:02:36,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 05:02:36,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 05:02:36,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:02:36" (1/1) ... [2021-07-14 05:02:36,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8fa7425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:36, skipping insertion in model container [2021-07-14 05:02:36,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:02:36" (1/1) ... [2021-07-14 05:02:36,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 05:02:37,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 05:02:37,350 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i[41527,41540] [2021-07-14 05:02:37,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:02:37,391 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 05:02:37,423 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i[41527,41540] [2021-07-14 05:02:37,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:02:37,501 INFO L208 MainTranslator]: Completed translation [2021-07-14 05:02:37,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37 WrapperNode [2021-07-14 05:02:37,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 05:02:37,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 05:02:37,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 05:02:37,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 05:02:37,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 05:02:37,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 05:02:37,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 05:02:37,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 05:02:37,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... [2021-07-14 05:02:37,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 05:02:37,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 05:02:37,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 05:02:37,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 05:02:37,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 05:02:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-07-14 05:02:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-07-14 05:02:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-07-14 05:02:37,680 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-07-14 05:02:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 05:02:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 05:02:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 05:02:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 05:02:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 05:02:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 05:02:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 05:02:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 05:02:37,682 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 05:02:38,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 05:02:38,140 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-07-14 05:02:38,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:02:38 BoogieIcfgContainer [2021-07-14 05:02:38,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 05:02:38,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 05:02:38,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 05:02:38,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 05:02:38,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:02:36" (1/3) ... [2021-07-14 05:02:38,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c84092f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:02:38, skipping insertion in model container [2021-07-14 05:02:38,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:02:37" (2/3) ... [2021-07-14 05:02:38,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c84092f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:02:38, skipping insertion in model container [2021-07-14 05:02:38,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:02:38" (3/3) ... [2021-07-14 05:02:38,154 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2021-07-14 05:02:38,162 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 05:02:38,162 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 05:02:38,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 05:02:38,163 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 05:02:38,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,216 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,216 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,216 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,216 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,222 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,222 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,222 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,222 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,222 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,223 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,226 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,226 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,226 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,226 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,227 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,227 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,227 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,227 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,227 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,227 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,227 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,238 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,238 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,238 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,243 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,243 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,250 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,250 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,250 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,252 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,252 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,252 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,252 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,259 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,259 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,262 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,265 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,265 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,265 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,265 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,266 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,266 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,266 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,269 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,270 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,273 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,275 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,275 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,281 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,281 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,283 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:02:38,295 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 05:02:38,319 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 05:02:38,376 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 05:02:38,377 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 05:02:38,377 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 05:02:38,377 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 05:02:38,377 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 05:02:38,377 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 05:02:38,377 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 05:02:38,377 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t1Thread1of1ForFork1======== [2021-07-14 05:02:38,449 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:38,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:38,455 INFO L82 PathProgramCache]: Analyzing trace with hash 2084013368, now seen corresponding path program 1 times [2021-07-14 05:02:38,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:38,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352518888] [2021-07-14 05:02:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:02:38,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:38,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352518888] [2021-07-14 05:02:38,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352518888] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:02:38,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:02:38,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 05:02:38,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272207923] [2021-07-14 05:02:38,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 05:02:38,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:38,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 05:02:38,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 05:02:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:38,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:38,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 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) [2021-07-14 05:02:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:38,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 05:02:38,767 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:38,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:38,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1406120115, now seen corresponding path program 1 times [2021-07-14 05:02:38,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:38,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289175757] [2021-07-14 05:02:38,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:02:38,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:38,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289175757] [2021-07-14 05:02:38,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289175757] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:02:38,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:02:38,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 05:02:38,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876225864] [2021-07-14 05:02:38,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 05:02:38,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:38,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 05:02:38,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 05:02:38,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:38,898 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:38,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-07-14 05:02:38,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:38,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:38,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 05:02:38,988 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:38,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:38,996 INFO L82 PathProgramCache]: Analyzing trace with hash 792421891, now seen corresponding path program 1 times [2021-07-14 05:02:38,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:38,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782762029] [2021-07-14 05:02:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:39,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:02:39,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:39,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782762029] [2021-07-14 05:02:39,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782762029] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:02:39,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:02:39,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 05:02:39,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993539010] [2021-07-14 05:02:39,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 05:02:39,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:39,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 05:02:39,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 05:02:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,080 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:39,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-07-14 05:02:39,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 05:02:39,099 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:39,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:39,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1643256915, now seen corresponding path program 1 times [2021-07-14 05:02:39,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:39,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544261161] [2021-07-14 05:02:39,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:02:39,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:39,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544261161] [2021-07-14 05:02:39,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544261161] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:02:39,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:02:39,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 05:02:39,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873659493] [2021-07-14 05:02:39,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 05:02:39,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:39,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 05:02:39,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 05:02:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:39,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2021-07-14 05:02:39,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 05:02:39,229 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:39,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:39,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1768704265, now seen corresponding path program 1 times [2021-07-14 05:02:39,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:39,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645864844] [2021-07-14 05:02:39,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:02:39,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:39,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645864844] [2021-07-14 05:02:39,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645864844] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:02:39,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:02:39,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 05:02:39,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747251317] [2021-07-14 05:02:39,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 05:02:39,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:39,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 05:02:39,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 05:02:39,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,303 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:39,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 05:02:39,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:39,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:39,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 05:02:39,445 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:39,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:39,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1360017523, now seen corresponding path program 1 times [2021-07-14 05:02:39,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:39,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761991587] [2021-07-14 05:02:39,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:02:39,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:39,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761991587] [2021-07-14 05:02:39,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761991587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:39,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009032798] [2021-07-14 05:02:39,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:39,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 05:02:39,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:02:40,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009032798] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:40,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:40,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 05:02:40,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867461843] [2021-07-14 05:02:40,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 05:02:40,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:40,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 05:02:40,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 05:02:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:40,082 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:40,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 30.75) internal successors, (246), 8 states have internal predecessors, (246), 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) [2021-07-14 05:02:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:40,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:40,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:40,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:40,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:40,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:40,425 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:40,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:40,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1897408333, now seen corresponding path program 2 times [2021-07-14 05:02:40,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:40,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512375075] [2021-07-14 05:02:40,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 67 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-14 05:02:40,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:40,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512375075] [2021-07-14 05:02:40,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512375075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:40,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75365375] [2021-07-14 05:02:40,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:40,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-07-14 05:02:40,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:02:40,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 05:02:40,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 05:02:41,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75365375] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:02:41,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 05:02:41,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2021-07-14 05:02:41,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971807720] [2021-07-14 05:02:41,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 05:02:41,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:41,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 05:02:41,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-07-14 05:02:41,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:41,007 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:41,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 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) [2021-07-14 05:02:41,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:41,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:41,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:41,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:41,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:41,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:41,325 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:41,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:41,325 INFO L82 PathProgramCache]: Analyzing trace with hash 280706825, now seen corresponding path program 3 times [2021-07-14 05:02:41,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:41,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956960072] [2021-07-14 05:02:41,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-07-14 05:02:41,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:41,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956960072] [2021-07-14 05:02:41,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956960072] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:41,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302628615] [2021-07-14 05:02:41,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:41,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 05:02:41,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:02:41,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 05:02:41,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 05:02:41,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302628615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:41,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:41,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 05:02:41,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441718022] [2021-07-14 05:02:41,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 05:02:41,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 05:02:41,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-07-14 05:02:41,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:41,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:41,987 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.333333333333332) internal successors, (328), 12 states have internal predecessors, (328), 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) [2021-07-14 05:02:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:41,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:42,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:42,377 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:42,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:42,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1853423914, now seen corresponding path program 1 times [2021-07-14 05:02:42,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:42,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079901582] [2021-07-14 05:02:42,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:02:42,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:42,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079901582] [2021-07-14 05:02:42,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079901582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:42,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361906788] [2021-07-14 05:02:42,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:42,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 05:02:42,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-14 05:02:42,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361906788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:42,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:42,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-07-14 05:02:42,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777184392] [2021-07-14 05:02:42,769 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 05:02:42,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:42,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 05:02:42,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-07-14 05:02:42,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:42,770 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:42,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 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) [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:43,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:43,217 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:43,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:43,218 INFO L82 PathProgramCache]: Analyzing trace with hash -2116591332, now seen corresponding path program 1 times [2021-07-14 05:02:43,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:43,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594600316] [2021-07-14 05:02:43,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 186 proven. 60 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:43,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:43,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594600316] [2021-07-14 05:02:43,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594600316] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:43,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129474230] [2021-07-14 05:02:43,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:43,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 05:02:43,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 188 proven. 3 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-07-14 05:02:43,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129474230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:43,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:43,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-07-14 05:02:43,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464404443] [2021-07-14 05:02:43,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 05:02:43,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:43,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 05:02:43,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-14 05:02:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:43,804 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:43,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 26.615384615384617) internal successors, (346), 13 states have internal predecessors, (346), 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) [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 05:02:44,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:44,517 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:44,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:44,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1676035018, now seen corresponding path program 1 times [2021-07-14 05:02:44,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:44,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797331928] [2021-07-14 05:02:44,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 273 proven. 213 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:44,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:44,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797331928] [2021-07-14 05:02:44,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797331928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:44,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300453151] [2021-07-14 05:02:44,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:44,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 05:02:44,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 273 proven. 213 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:45,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300453151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:45,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:45,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 05:02:45,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843442553] [2021-07-14 05:02:45,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 05:02:45,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:45,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 05:02:45,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-14 05:02:45,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:45,266 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:45,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 33.81818181818182) internal successors, (372), 11 states have internal predecessors, (372), 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) [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 05:02:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:45,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:45,660 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:45,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:45,661 INFO L82 PathProgramCache]: Analyzing trace with hash 609234355, now seen corresponding path program 2 times [2021-07-14 05:02:45,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:45,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164550145] [2021-07-14 05:02:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 360 proven. 422 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:45,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:45,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164550145] [2021-07-14 05:02:45,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164550145] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:45,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229347136] [2021-07-14 05:02:45,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:46,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 05:02:46,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:02:46,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 05:02:46,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 360 proven. 422 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:46,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229347136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:46,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:46,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-07-14 05:02:46,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570888242] [2021-07-14 05:02:46,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 05:02:46,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:46,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 05:02:46,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-14 05:02:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:46,572 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:46,572 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 33.92307692307692) internal successors, (441), 13 states have internal predecessors, (441), 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) [2021-07-14 05:02:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:46,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 05:02:46,949 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:46,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:46,949 INFO L82 PathProgramCache]: Analyzing trace with hash 28300650, now seen corresponding path program 3 times [2021-07-14 05:02:46,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:46,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719717395] [2021-07-14 05:02:46,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 447 proven. 700 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:47,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:47,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719717395] [2021-07-14 05:02:47,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719717395] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:47,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446011522] [2021-07-14 05:02:47,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:47,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 05:02:47,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:02:47,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 05:02:47,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:47,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-07-14 05:02:47,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 05:02:47,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,555 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-14 05:02:47,585 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 05:02:47,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-07-14 05:02:47,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 05:02:47,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-07-14 05:02:47,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 05:02:47,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 05:02:47,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,640 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2021-07-14 05:02:47,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-07-14 05:02:47,714 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 05:02:47,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 05:02:47,722 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:21 [2021-07-14 05:02:47,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-07-14 05:02:47,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 05:02:47,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 05:02:47,922 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:28, output treesize:5 [2021-07-14 05:02:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 413 proven. 25 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2021-07-14 05:02:48,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446011522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:48,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:48,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-14 05:02:48,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20069465] [2021-07-14 05:02:48,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 05:02:48,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:48,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 05:02:48,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2021-07-14 05:02:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:48,450 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:48,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 24.681818181818183) internal successors, (543), 22 states have internal predecessors, (543), 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) [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:49,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:49,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:49,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:49,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:49,549 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:49,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:49,550 INFO L82 PathProgramCache]: Analyzing trace with hash 793416550, now seen corresponding path program 1 times [2021-07-14 05:02:49,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:49,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587307596] [2021-07-14 05:02:49,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 534 proven. 1047 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:49,894 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:49,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587307596] [2021-07-14 05:02:49,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587307596] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:49,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316823195] [2021-07-14 05:02:49,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:50,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 05:02:50,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 534 proven. 1047 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:50,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316823195] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:50,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:50,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-07-14 05:02:50,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226956672] [2021-07-14 05:02:50,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 05:02:50,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:50,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 05:02:50,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-14 05:02:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:50,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:50,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 33.88235294117647) internal successors, (576), 17 states have internal predecessors, (576), 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) [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:50,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:50,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:50,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:50,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:50,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:02:51,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:51,221 INFO L430 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:51,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:51,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2082959409, now seen corresponding path program 2 times [2021-07-14 05:02:51,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:51,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282373048] [2021-07-14 05:02:51,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2143 backedges. 621 proven. 1463 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:51,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:51,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282373048] [2021-07-14 05:02:51,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282373048] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:51,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480934505] [2021-07-14 05:02:51,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:51,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 05:02:51,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:02:51,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 05:02:51,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2143 backedges. 621 proven. 1463 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:52,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480934505] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:52,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:52,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-07-14 05:02:52,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278818361] [2021-07-14 05:02:52,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 05:02:52,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:52,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 05:02:52,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-07-14 05:02:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:52,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:52,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 33.94736842105263) internal successors, (645), 19 states have internal predecessors, (645), 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) [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:52,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:02:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:02:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:02:53,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 05:02:53,129 INFO L430 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:53,129 INFO L82 PathProgramCache]: Analyzing trace with hash 445625606, now seen corresponding path program 3 times [2021-07-14 05:02:53,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:53,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584877539] [2021-07-14 05:02:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 708 proven. 1948 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-07-14 05:02:53,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:53,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584877539] [2021-07-14 05:02:53,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584877539] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:53,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082471586] [2021-07-14 05:02:53,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:54,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-14 05:02:54,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:02:54,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 05:02:54,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 30 proven. 465 refuted. 0 times theorem prover too weak. 2220 trivial. 0 not checked. [2021-07-14 05:02:55,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082471586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:55,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:55,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8] total 25 [2021-07-14 05:02:55,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137869636] [2021-07-14 05:02:55,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 05:02:55,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:55,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 05:02:55,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2021-07-14 05:02:55,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:55,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:55,269 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 32.12) internal successors, (803), 25 states have internal predecessors, (803), 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) [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:55,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:55,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:02:55,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:02:55,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:56,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:02:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:02:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 05:02:56,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 05:02:56,769 INFO L430 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:56,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:56,770 INFO L82 PathProgramCache]: Analyzing trace with hash -384871411, now seen corresponding path program 4 times [2021-07-14 05:02:56,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:56,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738812844] [2021-07-14 05:02:56,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 1116 proven. 2502 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-07-14 05:02:57,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:57,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738812844] [2021-07-14 05:02:57,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738812844] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:57,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370903612] [2021-07-14 05:02:57,170 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:02:57,858 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 05:02:57,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:02:57,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 05:02:57,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:02:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 1116 proven. 2502 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-07-14 05:02:58,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370903612] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:58,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:02:58,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-07-14 05:02:58,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701683545] [2021-07-14 05:02:58,710 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 05:02:58,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:02:58,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 05:02:58,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-07-14 05:02:58,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:58,711 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:02:58,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 34.04347826086956) internal successors, (783), 23 states have internal predecessors, (783), 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) [2021-07-14 05:02:58,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:58,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:58,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:58,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:58,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:58,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 05:02:58,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:02:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:02:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:02:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:02:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:02:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:02:59,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 05:02:59,380 INFO L430 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:02:59,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:02:59,381 INFO L82 PathProgramCache]: Analyzing trace with hash 2062822454, now seen corresponding path program 5 times [2021-07-14 05:02:59,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:02:59,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633425040] [2021-07-14 05:02:59,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:02:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:02:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4504 backedges. 1238 proven. 3125 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-07-14 05:02:59,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:02:59,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633425040] [2021-07-14 05:02:59,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633425040] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:02:59,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746010844] [2021-07-14 05:02:59,864 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:03:00,453 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 05:03:00,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:03:00,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 05:03:00,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:03:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4504 backedges. 1238 proven. 3125 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-07-14 05:03:01,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746010844] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:01,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:03:01,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25 [2021-07-14 05:03:01,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062329252] [2021-07-14 05:03:01,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 05:03:01,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:03:01,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 05:03:01,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2021-07-14 05:03:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:01,454 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:03:01,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 34.08) internal successors, (852), 25 states have internal predecessors, (852), 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) [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:01,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:02,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:03:02,077 INFO L430 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:03:02,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:03:02,077 INFO L82 PathProgramCache]: Analyzing trace with hash 84266413, now seen corresponding path program 6 times [2021-07-14 05:03:02,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:03:02,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264975326] [2021-07-14 05:03:02,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:03:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:03:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5318 backedges. 1360 proven. 3817 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-07-14 05:03:02,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:03:02,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264975326] [2021-07-14 05:03:02,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264975326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:02,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826118607] [2021-07-14 05:03:02,662 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:03:04,450 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2021-07-14 05:03:04,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:03:04,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1692 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 05:03:04,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:03:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5318 backedges. 42 proven. 1085 refuted. 0 times theorem prover too weak. 4191 trivial. 0 not checked. [2021-07-14 05:03:05,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826118607] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:05,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:03:05,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 10] total 33 [2021-07-14 05:03:05,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050775053] [2021-07-14 05:03:05,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 05:03:05,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:03:05,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 05:03:05,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=863, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 05:03:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:05,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:03:05,668 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 31.666666666666668) internal successors, (1045), 33 states have internal predecessors, (1045), 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) [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:05,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:05,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:05,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:05,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:05,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:05,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:05,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:05,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:07,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:07,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:07,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:07,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 05:03:07,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:03:07,715 INFO L430 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:03:07,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:03:07,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1402420806, now seen corresponding path program 7 times [2021-07-14 05:03:07,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:03:07,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958715518] [2021-07-14 05:03:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:03:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:03:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6744 backedges. 1908 proven. 4578 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-07-14 05:03:08,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:03:08,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958715518] [2021-07-14 05:03:08,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958715518] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:08,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650076859] [2021-07-14 05:03:08,257 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:03:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:03:08,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1874 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 05:03:08,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:03:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6744 backedges. 1908 proven. 4578 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-07-14 05:03:09,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650076859] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:09,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:03:09,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 29 [2021-07-14 05:03:09,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829599019] [2021-07-14 05:03:09,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 05:03:09,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:03:09,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 05:03:09,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2021-07-14 05:03:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:09,600 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:03:09,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 34.13793103448276) internal successors, (990), 29 states have internal predecessors, (990), 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) [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:09,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:09,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:09,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:09,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:09,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:09,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:09,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 05:03:09,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:03:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:03:10,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:03:10,393 INFO L430 AbstractCegarLoop]: === Iteration 21 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:03:10,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:03:10,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1617068591, now seen corresponding path program 8 times [2021-07-14 05:03:10,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:03:10,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911304190] [2021-07-14 05:03:10,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:03:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:03:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7731 backedges. 2065 proven. 5408 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-07-14 05:03:10,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:03:10,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911304190] [2021-07-14 05:03:10,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911304190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:10,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053395689] [2021-07-14 05:03:10,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:03:11,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 05:03:11,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:03:11,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 05:03:11,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:03:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7731 backedges. 2065 proven. 5408 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-07-14 05:03:12,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053395689] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:12,444 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:03:12,444 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 31 [2021-07-14 05:03:12,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410683833] [2021-07-14 05:03:12,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 05:03:12,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:03:12,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 05:03:12,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-07-14 05:03:12,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:12,446 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:03:12,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 34.16129032258065) internal successors, (1059), 31 states have internal predecessors, (1059), 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) [2021-07-14 05:03:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:03:12,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:03:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:13,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 05:03:13,202 INFO L430 AbstractCegarLoop]: === Iteration 22 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:03:13,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:03:13,203 INFO L82 PathProgramCache]: Analyzing trace with hash -268890138, now seen corresponding path program 9 times [2021-07-14 05:03:13,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:03:13,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168149297] [2021-07-14 05:03:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:03:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:03:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 8787 backedges. 2222 proven. 6307 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-07-14 05:03:13,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:03:13,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168149297] [2021-07-14 05:03:13,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168149297] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:13,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352046525] [2021-07-14 05:03:13,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:03:18,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-07-14 05:03:18,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:03:18,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2114 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 05:03:18,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:03:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8787 backedges. 54 proven. 1950 refuted. 0 times theorem prover too weak. 6783 trivial. 0 not checked. [2021-07-14 05:03:20,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352046525] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:20,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:03:20,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 12] total 41 [2021-07-14 05:03:20,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539146170] [2021-07-14 05:03:20,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 05:03:20,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:03:20,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 05:03:20,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=1349, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 05:03:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:20,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:03:20,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 31.390243902439025) internal successors, (1287), 41 states have internal predecessors, (1287), 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) [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:03:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:03:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:03:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:03:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:03:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-07-14 05:03:23,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-14 05:03:23,213 INFO L430 AbstractCegarLoop]: === Iteration 23 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:03:23,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:03:23,213 INFO L82 PathProgramCache]: Analyzing trace with hash -669911635, now seen corresponding path program 10 times [2021-07-14 05:03:23,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:03:23,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941124482] [2021-07-14 05:03:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:03:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:03:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10595 backedges. 2910 proven. 7275 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2021-07-14 05:03:23,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:03:23,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941124482] [2021-07-14 05:03:23,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941124482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:03:23,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939853299] [2021-07-14 05:03:23,908 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:06:26,905 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 05:06:26,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:06:27,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 2296 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 05:06:27,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:06:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10595 backedges. 2910 proven. 7275 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2021-07-14 05:06:28,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939853299] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:28,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:06:28,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 35 [2021-07-14 05:06:28,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88557167] [2021-07-14 05:06:28,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 05:06:28,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:06:28,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 05:06:28,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 05:06:28,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:28,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:06:28,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 34.2) internal successors, (1197), 35 states have internal predecessors, (1197), 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) [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:28,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-07-14 05:06:28,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:28,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:29,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-07-14 05:06:29,155 INFO L430 AbstractCegarLoop]: === Iteration 24 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:06:29,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:06:29,155 INFO L82 PathProgramCache]: Analyzing trace with hash -825281194, now seen corresponding path program 11 times [2021-07-14 05:06:29,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:06:29,156 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450947245] [2021-07-14 05:06:29,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:06:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:06:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 11824 backedges. 3102 proven. 8312 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2021-07-14 05:06:29,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:06:29,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450947245] [2021-07-14 05:06:29,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450947245] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:29,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667175916] [2021-07-14 05:06:29,916 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:06:32,362 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-14 05:06:32,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:06:32,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 05:06:32,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:06:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 11824 backedges. 3102 proven. 8312 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2021-07-14 05:06:33,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667175916] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:33,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:06:33,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 37 [2021-07-14 05:06:33,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951698216] [2021-07-14 05:06:33,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 05:06:33,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:06:33,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 05:06:33,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 05:06:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:33,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:06:33,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 34.21621621621622) internal successors, (1266), 37 states have internal predecessors, (1266), 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) [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:33,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:06:34,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-14 05:06:34,626 INFO L430 AbstractCegarLoop]: === Iteration 25 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:06:34,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:06:34,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1306976435, now seen corresponding path program 12 times [2021-07-14 05:06:34,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:06:34,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283513615] [2021-07-14 05:06:34,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:06:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:06:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 13122 backedges. 3294 proven. 9418 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2021-07-14 05:06:35,510 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:06:35,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283513615] [2021-07-14 05:06:35,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283513615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:35,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937453227] [2021-07-14 05:06:35,510 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:06:44,651 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2021-07-14 05:06:44,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:06:44,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 2536 conjuncts, 80 conjunts are in the unsatisfiable core [2021-07-14 05:06:44,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:06:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 13122 backedges. 66 proven. 3060 refuted. 0 times theorem prover too weak. 9996 trivial. 0 not checked. [2021-07-14 05:06:46,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937453227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:46,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:06:46,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 14] total 49 [2021-07-14 05:06:46,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007625535] [2021-07-14 05:06:46,363 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 05:06:46,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:06:46,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 05:06:46,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=1943, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 05:06:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:46,364 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:06:46,365 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 31.20408163265306) internal successors, (1529), 49 states have internal predecessors, (1529), 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) [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:06:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:50,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:06:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-14 05:06:50,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-07-14 05:06:50,218 INFO L430 AbstractCegarLoop]: === Iteration 26 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:06:50,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:06:50,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1222594854, now seen corresponding path program 13 times [2021-07-14 05:06:50,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:06:50,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260589452] [2021-07-14 05:06:50,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:06:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:06:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 15312 backedges. 4122 proven. 10593 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-07-14 05:06:51,497 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:06:51,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260589452] [2021-07-14 05:06:51,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260589452] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:51,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027195706] [2021-07-14 05:06:51,498 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:06:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:06:51,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 2718 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 05:06:51,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:06:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 15312 backedges. 4122 proven. 10593 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-07-14 05:06:53,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027195706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:53,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:06:53,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 41 [2021-07-14 05:06:53,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406594189] [2021-07-14 05:06:53,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 05:06:53,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:06:53,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 05:06:53,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=1200, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 05:06:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:53,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:06:53,319 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 34.24390243902439) internal successors, (1404), 41 states have internal predecessors, (1404), 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) [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-14 05:06:53,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 05:06:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 05:06:54,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:06:54,403 INFO L430 AbstractCegarLoop]: === Iteration 27 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:06:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:06:54,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1393958031, now seen corresponding path program 14 times [2021-07-14 05:06:54,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:06:54,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75474553] [2021-07-14 05:06:54,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:06:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:06:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 16783 backedges. 4349 proven. 11837 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-07-14 05:06:55,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:06:55,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75474553] [2021-07-14 05:06:55,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75474553] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:55,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4335858] [2021-07-14 05:06:55,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:06:56,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 05:06:56,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:06:56,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 05:06:56,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:06:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16783 backedges. 4349 proven. 11837 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-07-14 05:06:57,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4335858] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:57,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:06:57,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 43 [2021-07-14 05:06:57,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612047004] [2021-07-14 05:06:57,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 05:06:57,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:06:57,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 05:06:57,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 05:06:57,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:57,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:06:57,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 34.25581395348837) internal successors, (1473), 43 states have internal predecessors, (1473), 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) [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 05:06:57,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:06:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:06:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 05:06:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 05:06:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 05:06:58,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-07-14 05:06:58,631 INFO L430 AbstractCegarLoop]: === Iteration 28 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:06:58,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:06:58,631 INFO L82 PathProgramCache]: Analyzing trace with hash 725996230, now seen corresponding path program 15 times [2021-07-14 05:06:58,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:06:58,632 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257837291] [2021-07-14 05:06:58,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:06:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:06:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 18323 backedges. 4576 proven. 13150 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-07-14 05:06:59,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:06:59,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257837291] [2021-07-14 05:06:59,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257837291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:06:59,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959971382] [2021-07-14 05:06:59,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:07:14,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2021-07-14 05:07:14,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 05:07:14,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 2958 conjuncts, 94 conjunts are in the unsatisfiable core [2021-07-14 05:07:14,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 05:07:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18323 backedges. 78 proven. 4415 refuted. 0 times theorem prover too weak. 13830 trivial. 0 not checked. [2021-07-14 05:07:15,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959971382] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:07:15,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 05:07:15,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 16] total 57 [2021-07-14 05:07:15,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929994353] [2021-07-14 05:07:15,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 05:07:15,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:07:15,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 05:07:15,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=2645, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 05:07:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:07:15,992 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:07:15,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 31.07017543859649) internal successors, (1771), 57 states have internal predecessors, (1771), 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) [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:07:15,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:07:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-14 05:07:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 05:07:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 05:07:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:07:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:07:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:07:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:07:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:07:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 05:07:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 05:07:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 05:07:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 05:07:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 05:07:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 05:07:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 05:07:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 05:07:20,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-07-14 05:07:20,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 05:07:20,997 INFO L430 AbstractCegarLoop]: === Iteration 29 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:07:20,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:07:20,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1036914867, now seen corresponding path program 16 times [2021-07-14 05:07:20,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:07:20,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872190453] [2021-07-14 05:07:20,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:07:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:07:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20895 backedges. 5544 proven. 14532 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-07-14 05:07:22,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:07:22,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872190453] [2021-07-14 05:07:22,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872190453] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 05:07:22,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737558381] [2021-07-14 05:07:22,181 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown