/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 14:40:38,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 14:40:38,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 14:40:38,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 14:40:38,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 14:40:38,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 14:40:38,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 14:40:38,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 14:40:38,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 14:40:38,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 14:40:38,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 14:40:38,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 14:40:38,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 14:40:38,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 14:40:38,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 14:40:38,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 14:40:38,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 14:40:38,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 14:40:38,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 14:40:38,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 14:40:38,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 14:40:38,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 14:40:38,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 14:40:38,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 14:40:38,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 14:40:38,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 14:40:38,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 14:40:38,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 14:40:38,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-14 14:40:38,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 14:40:38,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 14:40:38,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 14:40:38,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 14:40:38,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 14:40:38,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 14:40:38,474 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 14:40:38,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 14:40:38,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 14:40:38,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 14:40:38,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 14:40:38,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 14:40:38,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 14:40:38,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 14:40:38,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 14:40:38,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 14:40:38,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 14:40:38,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 14:40:38,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 14:40:38,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 14:40:38,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 14:40:38,477 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 14:40:38,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 14:40:38,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 14:40:38,478 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 14:40:38,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 14:40:38,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 14:40:38,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 14:40:38,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 14:40:38,758 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 14:40:38,759 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 14:40:38,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2021-07-14 14:40:38,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86667f34/04af9b2adff44d948f969223948a218e/FLAGc9700903e [2021-07-14 14:40:39,297 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 14:40:39,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2021-07-14 14:40:39,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86667f34/04af9b2adff44d948f969223948a218e/FLAGc9700903e [2021-07-14 14:40:39,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86667f34/04af9b2adff44d948f969223948a218e [2021-07-14 14:40:39,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 14:40:39,796 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 14:40:39,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 14:40:39,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 14:40:39,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 14:40:39,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:40:39" (1/1) ... [2021-07-14 14:40:39,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2541c55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:39, skipping insertion in model container [2021-07-14 14:40:39,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:40:39" (1/1) ... [2021-07-14 14:40:39,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 14:40:39,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 14:40:40,193 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_longest-2.i[41530,41543] [2021-07-14 14:40:40,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 14:40:40,213 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 14:40:40,257 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_longest-2.i[41530,41543] [2021-07-14 14:40:40,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 14:40:40,302 INFO L208 MainTranslator]: Completed translation [2021-07-14 14:40:40,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40 WrapperNode [2021-07-14 14:40:40,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 14:40:40,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 14:40:40,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 14:40:40,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 14:40:40,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 14:40:40,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 14:40:40,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 14:40:40,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 14:40:40,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (1/1) ... [2021-07-14 14:40:40,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 14:40:40,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 14:40:40,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 14:40:40,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 14:40:40,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (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 14:40:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-07-14 14:40:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-07-14 14:40:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-07-14 14:40:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-07-14 14:40:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 14:40:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 14:40:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 14:40:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 14:40:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 14:40:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 14:40:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 14:40:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 14:40:40,418 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 14:40:40,892 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 14:40:40,893 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-07-14 14:40:40,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:40:40 BoogieIcfgContainer [2021-07-14 14:40:40,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 14:40:40,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 14:40:40,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 14:40:40,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 14:40:40,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:40:39" (1/3) ... [2021-07-14 14:40:40,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e6572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:40:40, skipping insertion in model container [2021-07-14 14:40:40,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:40:40" (2/3) ... [2021-07-14 14:40:40,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e6572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:40:40, skipping insertion in model container [2021-07-14 14:40:40,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:40:40" (3/3) ... [2021-07-14 14:40:40,899 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2021-07-14 14:40:40,912 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 14:40:40,913 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 14:40:40,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 14:40:40,913 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 14:40:40,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,994 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,994 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,995 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:40,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 14:40:41,004 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 14:40:41,019 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 14:40:41,056 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 14:40:41,056 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 14:40:41,056 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 14:40:41,056 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 14:40:41,056 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 14:40:41,056 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 14:40:41,056 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 14:40:41,056 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t1Thread1of1ForFork1======== [2021-07-14 14:40:41,157 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:41,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:41,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1320611664, now seen corresponding path program 1 times [2021-07-14 14:40:41,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:41,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911804260] [2021-07-14 14:40:41,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:41,326 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 14:40:41,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:41,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911804260] [2021-07-14 14:40:41,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911804260] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:40:41,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:40:41,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 14:40:41,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43680450] [2021-07-14 14:40:41,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 14:40:41,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:41,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 14:40:41,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 14:40:41,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,340 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:41,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 14:40:41,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 14:40:41,348 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:41,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:41,348 INFO L82 PathProgramCache]: Analyzing trace with hash -712665903, now seen corresponding path program 1 times [2021-07-14 14:40:41,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:41,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913545321] [2021-07-14 14:40:41,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:41,420 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 14:40:41,420 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:41,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913545321] [2021-07-14 14:40:41,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913545321] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:40:41,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:40:41,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 14:40:41,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819573670] [2021-07-14 14:40:41,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 14:40:41,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:41,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 14:40:41,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 14:40:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:41,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:40:41,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:41,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 14:40:41,461 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:41,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:41,461 INFO L82 PathProgramCache]: Analyzing trace with hash -89293531, now seen corresponding path program 1 times [2021-07-14 14:40:41,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:41,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614107005] [2021-07-14 14:40:41,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:41,542 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 14:40:41,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:41,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614107005] [2021-07-14 14:40:41,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614107005] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:40:41,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:40:41,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 14:40:41,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222059952] [2021-07-14 14:40:41,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 14:40:41,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:41,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 14:40:41,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 14:40:41,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:41,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:40:41,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:41,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:41,582 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 14:40:41,582 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:41,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:41,582 INFO L82 PathProgramCache]: Analyzing trace with hash -835995566, now seen corresponding path program 1 times [2021-07-14 14:40:41,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:41,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713731095] [2021-07-14 14:40:41,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:41,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:41,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713731095] [2021-07-14 14:40:41,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713731095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:41,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049916846] [2021-07-14 14:40:41,672 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 14:40:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:41,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 14:40:41,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:42,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049916846] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:42,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:42,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 14:40:42,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532116575] [2021-07-14 14:40:42,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 14:40:42,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:42,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 14:40:42,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 14:40:42,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:42,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:42,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 14:40:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:42,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:42,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:40:42,301 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:42,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:42,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1832797293, now seen corresponding path program 2 times [2021-07-14 14:40:42,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:42,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395964767] [2021-07-14 14:40:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:42,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:42,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395964767] [2021-07-14 14:40:42,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395964767] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:42,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180478110] [2021-07-14 14:40:42,427 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 14:40:42,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:40:42,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:42,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 14:40:42,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:42,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180478110] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:42,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:42,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 14:40:42,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145207380] [2021-07-14 14:40:42,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 14:40:42,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:42,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 14:40:42,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 14:40:42,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:42,733 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:42,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:40:42,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:42,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:42,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:42,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:42,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:42,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:43,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:40:43,014 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:43,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:43,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1495248532, now seen corresponding path program 3 times [2021-07-14 14:40:43,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:43,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842052806] [2021-07-14 14:40:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:43,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:43,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842052806] [2021-07-14 14:40:43,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842052806] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:43,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069378420] [2021-07-14 14:40:43,144 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 14:40:43,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 14:40:43,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:43,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 14:40:43,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:43,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069378420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:43,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:43,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 14:40:43,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536717694] [2021-07-14 14:40:43,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 14:40:43,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:43,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 14:40:43,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-14 14:40:43,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:43,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:43,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 18.454545454545453) internal successors, (203), 11 states have internal predecessors, (203), 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 14:40:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:43,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:43,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:40:43,789 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:43,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:43,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1830396245, now seen corresponding path program 4 times [2021-07-14 14:40:43,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:43,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368152926] [2021-07-14 14:40:43,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 12 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:43,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:43,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368152926] [2021-07-14 14:40:43,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368152926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:43,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716496314] [2021-07-14 14:40:43,892 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 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 14:40:44,054 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:40:44,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:44,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 14:40:44,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 12 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:44,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716496314] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:44,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:44,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-07-14 14:40:44,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088963187] [2021-07-14 14:40:44,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 14:40:44,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:44,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 14:40:44,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-14 14:40:44,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:44,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:44,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 18.23076923076923) internal successors, (237), 13 states have internal predecessors, (237), 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 14:40:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:44,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 14:40:44,627 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:44,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:44,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1317035050, now seen corresponding path program 5 times [2021-07-14 14:40:44,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:44,628 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108164545] [2021-07-14 14:40:44,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 15 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:44,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:44,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108164545] [2021-07-14 14:40:44,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108164545] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:44,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435482820] [2021-07-14 14:40:44,752 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 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 14:40:44,894 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 14:40:44,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:44,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 14:40:44,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 15 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:45,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435482820] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:45,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:45,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-07-14 14:40:45,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044528508] [2021-07-14 14:40:45,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 14:40:45,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:45,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 14:40:45,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-07-14 14:40:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:45,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:45,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 18.066666666666666) internal successors, (271), 15 states have internal predecessors, (271), 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 14:40:45,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:45,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:45,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:45,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:45,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:45,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:45,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:45,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:45,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:40:45,537 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:45,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:45,537 INFO L82 PathProgramCache]: Analyzing trace with hash -518142441, now seen corresponding path program 6 times [2021-07-14 14:40:45,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:45,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250721720] [2021-07-14 14:40:45,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 18 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:45,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:45,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250721720] [2021-07-14 14:40:45,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250721720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:45,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033122476] [2021-07-14 14:40:45,689 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 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 14:40:45,941 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 14:40:45,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:45,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 14:40:45,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 18 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:46,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033122476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:46,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:46,230 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-07-14 14:40:46,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363269826] [2021-07-14 14:40:46,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 14:40:46,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:46,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 14:40:46,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-14 14:40:46,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:46,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:46,232 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 17.941176470588236) internal successors, (305), 17 states have internal predecessors, (305), 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 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:46,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:46,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:46,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:40:46,597 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:46,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:46,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1883498472, now seen corresponding path program 7 times [2021-07-14 14:40:46,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:46,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790482016] [2021-07-14 14:40:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:46,774 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 21 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:46,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:46,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790482016] [2021-07-14 14:40:46,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790482016] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:46,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518228534] [2021-07-14 14:40:46,775 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 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 14:40:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:46,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 14:40:46,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 21 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:47,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518228534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:47,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:47,227 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-07-14 14:40:47,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646121128] [2021-07-14 14:40:47,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 14:40:47,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:47,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 14:40:47,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-07-14 14:40:47,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:47,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:47,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 17.842105263157894) internal successors, (339), 19 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:40:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:47,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:47,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:47,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:47,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 14:40:47,625 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:47,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:47,626 INFO L82 PathProgramCache]: Analyzing trace with hash -350311975, now seen corresponding path program 8 times [2021-07-14 14:40:47,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:47,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934160131] [2021-07-14 14:40:47,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 24 proven. 1072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:47,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:47,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934160131] [2021-07-14 14:40:47,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934160131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:47,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771683201] [2021-07-14 14:40:47,807 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 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 14:40:47,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:40:47,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:47,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 14:40:47,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 24 proven. 1072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:48,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771683201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:48,321 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:48,321 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-07-14 14:40:48,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28395305] [2021-07-14 14:40:48,322 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 14:40:48,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:48,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 14:40:48,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-07-14 14:40:48,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:48,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:48,323 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 17.761904761904763) internal successors, (373), 21 states have internal predecessors, (373), 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 14:40:48,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:48,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:48,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:48,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:48,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:48,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:48,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:48,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:48,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:48,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:48,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:48,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:40:48,753 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:48,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:48,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1006996314, now seen corresponding path program 9 times [2021-07-14 14:40:48,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:48,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570262971] [2021-07-14 14:40:48,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 27 proven. 1359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:48,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:48,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570262971] [2021-07-14 14:40:48,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570262971] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:48,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443718297] [2021-07-14 14:40:48,989 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 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 14:40:49,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-14 14:40:49,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:49,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 14:40:49,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 27 proven. 1359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:49,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443718297] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:49,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:49,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-07-14 14:40:49,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547317535] [2021-07-14 14:40:49,975 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 14:40:49,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:49,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 14:40:49,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-07-14 14:40:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:49,976 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:49,977 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 17.695652173913043) internal successors, (407), 23 states have internal predecessors, (407), 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 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:49,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:50,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:40:50,477 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:50,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:50,477 INFO L82 PathProgramCache]: Analyzing trace with hash 657247387, now seen corresponding path program 10 times [2021-07-14 14:40:50,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:50,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204559039] [2021-07-14 14:40:50,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 30 proven. 1680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:50,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:50,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204559039] [2021-07-14 14:40:50,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204559039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:50,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213661140] [2021-07-14 14:40:50,714 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 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 14:40:51,223 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:40:51,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:51,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 14:40:51,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:51,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 30 proven. 1680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:51,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213661140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:51,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:51,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25 [2021-07-14 14:40:51,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477646015] [2021-07-14 14:40:51,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 14:40:51,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:51,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 14:40:51,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2021-07-14 14:40:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:51,666 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:51,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 17.64) internal successors, (441), 25 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 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:51,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:51,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:51,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:40:52,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 14:40:52,212 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:52,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:52,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1370718820, now seen corresponding path program 11 times [2021-07-14 14:40:52,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:52,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674107180] [2021-07-14 14:40:52,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 33 proven. 2035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:52,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:52,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674107180] [2021-07-14 14:40:52,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674107180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:52,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285585010] [2021-07-14 14:40:52,537 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 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 14:40:53,037 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-14 14:40:53,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:53,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 14:40:53,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 33 proven. 2035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:53,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285585010] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:53,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:53,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 27 [2021-07-14 14:40:53,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690402118] [2021-07-14 14:40:53,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 14:40:53,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:53,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 14:40:53,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2021-07-14 14:40:53,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:53,536 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:53,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 17.59259259259259) internal successors, (475), 27 states have internal predecessors, (475), 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 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:40:53,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:40:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:40:54,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 14:40:54,093 INFO L430 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:54,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:54,093 INFO L82 PathProgramCache]: Analyzing trace with hash -250040739, now seen corresponding path program 12 times [2021-07-14 14:40:54,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:54,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24781899] [2021-07-14 14:40:54,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 36 proven. 2424 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:54,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:54,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24781899] [2021-07-14 14:40:54,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24781899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:54,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363313898] [2021-07-14 14:40:54,446 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 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 14:40:56,038 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-14 14:40:56,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:56,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 14:40:56,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 36 proven. 2424 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:56,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363313898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:56,564 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:56,564 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 29 [2021-07-14 14:40:56,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078716711] [2021-07-14 14:40:56,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 14:40:56,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:56,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 14:40:56,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2021-07-14 14:40:56,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:56,565 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:56,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 17.551724137931036) internal successors, (509), 29 states have internal predecessors, (509), 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 14:40:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:40:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:40:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:40:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:40:57,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 14:40:57,186 INFO L430 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:57,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1371443490, now seen corresponding path program 13 times [2021-07-14 14:40:57,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:57,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285182405] [2021-07-14 14:40:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 39 proven. 2847 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:57,499 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:57,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285182405] [2021-07-14 14:40:57,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285182405] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:57,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480932232] [2021-07-14 14:40:57,499 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 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 14:40:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:57,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 14:40:57,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:40:58,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 39 proven. 2847 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:58,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480932232] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:58,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:40:58,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 31 [2021-07-14 14:40:58,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065589952] [2021-07-14 14:40:58,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 14:40:58,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:40:58,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 14:40:58,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-07-14 14:40:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:58,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:40:58,239 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 17.516129032258064) internal successors, (543), 31 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 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:40:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:40:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:40:58,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:40:58,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:40:58,922 INFO L430 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:40:58,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:40:58,923 INFO L82 PathProgramCache]: Analyzing trace with hash -2072850657, now seen corresponding path program 14 times [2021-07-14 14:40:58,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:40:58,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009581343] [2021-07-14 14:40:58,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:40:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:40:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3346 backedges. 42 proven. 3304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:40:59,266 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:40:59,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009581343] [2021-07-14 14:40:59,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009581343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:40:59,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817463530] [2021-07-14 14:40:59,266 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 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 14:40:59,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:40:59,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:40:59,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 14:40:59,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3346 backedges. 42 proven. 3304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:00,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817463530] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:00,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:00,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 33 [2021-07-14 14:41:00,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639559046] [2021-07-14 14:41:00,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 14:41:00,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:00,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 14:41:00,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 14:41:00,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:00,042 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:00,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 17.484848484848484) internal successors, (577), 33 states have internal predecessors, (577), 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 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:00,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:00,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:00,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:00,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:00,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:00,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:00,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 14:41:00,792 INFO L430 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:00,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:00,792 INFO L82 PathProgramCache]: Analyzing trace with hash -212541664, now seen corresponding path program 15 times [2021-07-14 14:41:00,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:00,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287689440] [2021-07-14 14:41:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 45 proven. 3795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:01,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:01,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287689440] [2021-07-14 14:41:01,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287689440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:01,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124409062] [2021-07-14 14:41:01,236 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 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 14:41:03,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-07-14 14:41:03,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:41:04,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 14:41:04,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 45 proven. 3795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:04,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124409062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:04,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:04,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 35 [2021-07-14 14:41:04,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311570224] [2021-07-14 14:41:04,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 14:41:04,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:04,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 14:41:04,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 14:41:04,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:04,612 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:04,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 17.457142857142856) internal successors, (611), 35 states have internal predecessors, (611), 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 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:04,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:05,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:05,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 14:41:05,473 INFO L430 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:05,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:05,474 INFO L82 PathProgramCache]: Analyzing trace with hash 478916321, now seen corresponding path program 16 times [2021-07-14 14:41:05,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:05,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116083643] [2021-07-14 14:41:05,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4368 backedges. 48 proven. 4320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:05,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:05,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116083643] [2021-07-14 14:41:05,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116083643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:05,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304440040] [2021-07-14 14:41:05,960 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 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 14:41:06,773 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:41:06,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:41:06,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 14:41:06,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4368 backedges. 48 proven. 4320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:07,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304440040] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:07,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:07,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 37 [2021-07-14 14:41:07,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517276655] [2021-07-14 14:41:07,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 14:41:07,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:07,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 14:41:07,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 14:41:07,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:07,409 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:07,409 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 17.43243243243243) internal successors, (645), 37 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 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:07,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:07,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:08,230 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:41:08,231 INFO L430 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:08,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:08,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1152863842, now seen corresponding path program 17 times [2021-07-14 14:41:08,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:08,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117625437] [2021-07-14 14:41:08,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:08,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4930 backedges. 51 proven. 4879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:08,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:08,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117625437] [2021-07-14 14:41:08,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117625437] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:08,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997350323] [2021-07-14 14:41:08,723 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 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 14:41:11,745 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-07-14 14:41:11,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:41:11,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 14:41:11,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4930 backedges. 51 proven. 4879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:12,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997350323] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:12,425 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:12,425 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 39 [2021-07-14 14:41:12,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202270967] [2021-07-14 14:41:12,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 14:41:12,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:12,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 14:41:12,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1083, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 14:41:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:12,426 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:12,427 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 17.41025641025641) internal successors, (679), 39 states have internal predecessors, (679), 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 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:13,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:41:13,305 INFO L430 AbstractCegarLoop]: === Iteration 21 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:13,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:13,305 INFO L82 PathProgramCache]: Analyzing trace with hash 343133603, now seen corresponding path program 18 times [2021-07-14 14:41:13,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:13,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088191161] [2021-07-14 14:41:13,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5526 backedges. 54 proven. 5472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:13,825 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:13,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088191161] [2021-07-14 14:41:13,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088191161] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:13,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254293795] [2021-07-14 14:41:13,825 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 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 14:41:25,364 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-07-14 14:41:25,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:41:25,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 14:41:25,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5526 backedges. 54 proven. 5472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:26,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254293795] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:26,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:26,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 41 [2021-07-14 14:41:26,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465842416] [2021-07-14 14:41:26,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 14:41:26,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:26,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 14:41:26,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=1200, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 14:41:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:26,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:26,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 17.390243902439025) internal successors, (713), 41 states have internal predecessors, (713), 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 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:26,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:26,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:26,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:26,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:27,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:41:27,025 INFO L430 AbstractCegarLoop]: === Iteration 22 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:27,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:27,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1722205020, now seen corresponding path program 19 times [2021-07-14 14:41:27,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:27,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565729394] [2021-07-14 14:41:27,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 57 proven. 6099 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:27,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:27,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565729394] [2021-07-14 14:41:27,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565729394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:27,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044375270] [2021-07-14 14:41:27,584 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 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 14:41:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:27,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 14:41:27,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 57 proven. 6099 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:28,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044375270] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:28,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:28,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 43 [2021-07-14 14:41:28,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315863991] [2021-07-14 14:41:28,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 14:41:28,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:28,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 14:41:28,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 14:41:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:28,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:28,523 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 17.372093023255815) internal successors, (747), 43 states have internal predecessors, (747), 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 14:41:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:29,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:29,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:29,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:29,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:41:29,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-14 14:41:29,537 INFO L430 AbstractCegarLoop]: === Iteration 23 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:29,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:29,538 INFO L82 PathProgramCache]: Analyzing trace with hash 117156709, now seen corresponding path program 20 times [2021-07-14 14:41:29,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:29,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081606953] [2021-07-14 14:41:29,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6820 backedges. 60 proven. 6760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:30,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:30,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081606953] [2021-07-14 14:41:30,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081606953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:30,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741908750] [2021-07-14 14:41:30,151 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 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 14:41:30,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:41:30,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:41:30,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 14:41:30,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6820 backedges. 60 proven. 6760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:31,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741908750] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:31,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:31,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 45 [2021-07-14 14:41:31,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491518480] [2021-07-14 14:41:31,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 14:41:31,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:31,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 14:41:31,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=1452, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 14:41:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:31,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:31,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 17.355555555555554) internal successors, (781), 45 states have internal predecessors, (781), 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 14:41:31,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:31,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:31,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:31,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:31,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:31,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:31,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:31,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:41:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:41:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:41:32,247 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-07-14 14:41:32,247 INFO L430 AbstractCegarLoop]: === Iteration 24 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:32,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:32,247 INFO L82 PathProgramCache]: Analyzing trace with hash 938158566, now seen corresponding path program 21 times [2021-07-14 14:41:32,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:32,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375407111] [2021-07-14 14:41:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7518 backedges. 63 proven. 7455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:32,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:32,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375407111] [2021-07-14 14:41:32,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375407111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:32,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915948023] [2021-07-14 14:41:32,947 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 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 14:41:41,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2021-07-14 14:41:41,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:41:41,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 14:41:41,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 7518 backedges. 63 proven. 7455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:42,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915948023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:42,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:42,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 47 [2021-07-14 14:41:42,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157934555] [2021-07-14 14:41:42,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 14:41:42,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:42,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 14:41:42,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=1587, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 14:41:42,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:42,429 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:42,429 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 17.340425531914892) internal successors, (815), 47 states have internal predecessors, (815), 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 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:41:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:41:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:41:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:41:43,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:41:43,584 INFO L430 AbstractCegarLoop]: === Iteration 25 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash -290207705, now seen corresponding path program 22 times [2021-07-14 14:41:43,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:43,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464527172] [2021-07-14 14:41:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 66 proven. 8184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:44,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:44,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464527172] [2021-07-14 14:41:44,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464527172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:44,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884261036] [2021-07-14 14:41:44,354 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 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 14:41:48,000 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:41:48,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:41:48,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 14:41:48,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:41:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 66 proven. 8184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:48,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884261036] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:48,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:41:48,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 49 [2021-07-14 14:41:48,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220048895] [2021-07-14 14:41:48,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 14:41:48,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:41:48,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 14:41:48,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=624, Invalid=1728, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 14:41:48,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:48,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:41:48,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 17.3265306122449) internal successors, (849), 49 states have internal predecessors, (849), 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 14:41:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:41:48,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:41:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:41:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:41:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:41:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:41:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:41:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:41:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:41:50,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-07-14 14:41:50,082 INFO L430 AbstractCegarLoop]: === Iteration 26 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:41:50,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:41:50,082 INFO L82 PathProgramCache]: Analyzing trace with hash -690121176, now seen corresponding path program 23 times [2021-07-14 14:41:50,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:41:50,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621664407] [2021-07-14 14:41:50,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:41:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:41:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 9016 backedges. 69 proven. 8947 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:41:50,879 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:41:50,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621664407] [2021-07-14 14:41:50,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621664407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:41:50,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923946761] [2021-07-14 14:41:50,879 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 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 14:41:59,557 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2021-07-14 14:41:59,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:41:59,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 14:41:59,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:42:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 9016 backedges. 69 proven. 8947 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:00,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923946761] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:00,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:42:00,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 51 [2021-07-14 14:42:00,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704362484] [2021-07-14 14:42:00,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-14 14:42:00,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:42:00,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-14 14:42:00,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=1875, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 14:42:00,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:00,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:42:00,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 17.313725490196077) internal successors, (883), 51 states have internal predecessors, (883), 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 14:42:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:00,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:00,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:01,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:42:01,788 INFO L430 AbstractCegarLoop]: === Iteration 27 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:42:01,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:42:01,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1173136361, now seen corresponding path program 24 times [2021-07-14 14:42:01,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:42:01,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773947693] [2021-07-14 14:42:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:42:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:42:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9816 backedges. 72 proven. 9744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:02,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:42:02,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773947693] [2021-07-14 14:42:02,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773947693] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:02,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824673942] [2021-07-14 14:42:02,636 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 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 [2021-07-14 14:42:29,934 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-07-14 14:42:29,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:42:29,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 14:42:29,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:42:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 9816 backedges. 72 proven. 9744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:30,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824673942] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:30,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:42:30,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 53 [2021-07-14 14:42:30,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145977530] [2021-07-14 14:42:30,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 14:42:30,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:42:30,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 14:42:30,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=2028, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 14:42:30,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:30,839 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:42:30,839 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 17.30188679245283) internal successors, (917), 53 states have internal predecessors, (917), 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 14:42:30,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:30,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:32,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:42:32,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-07-14 14:42:32,264 INFO L430 AbstractCegarLoop]: === Iteration 28 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:42:32,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:42:32,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1134493334, now seen corresponding path program 25 times [2021-07-14 14:42:32,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:42:32,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143683490] [2021-07-14 14:42:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:42:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:42:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 10650 backedges. 75 proven. 10575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:33,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:42:33,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143683490] [2021-07-14 14:42:33,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143683490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:33,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677877100] [2021-07-14 14:42:33,168 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:42:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:42:33,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 14:42:33,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:42:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10650 backedges. 75 proven. 10575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:34,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677877100] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:34,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:42:34,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 55 [2021-07-14 14:42:34,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588442836] [2021-07-14 14:42:34,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 14:42:34,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:42:34,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 14:42:34,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 14:42:34,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:34,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:42:34,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 17.29090909090909) internal successors, (951), 55 states have internal predecessors, (951), 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 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:42:34,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:35,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:35,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:42:35,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:42:35,823 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-07-14 14:42:35,823 INFO L430 AbstractCegarLoop]: === Iteration 29 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:42:35,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:42:35,824 INFO L82 PathProgramCache]: Analyzing trace with hash 649510571, now seen corresponding path program 26 times [2021-07-14 14:42:35,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:42:35,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116407170] [2021-07-14 14:42:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:42:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:42:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 11518 backedges. 78 proven. 11440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:36,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:42:36,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116407170] [2021-07-14 14:42:36,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116407170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:36,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780683644] [2021-07-14 14:42:36,803 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:42:37,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:42:37,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:42:37,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 14:42:37,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:42:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 11518 backedges. 78 proven. 11440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:37,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780683644] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:37,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:42:37,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 57 [2021-07-14 14:42:37,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152770962] [2021-07-14 14:42:37,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 14:42:37,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:42:37,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 14:42:37,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=840, Invalid=2352, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 14:42:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:37,982 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:42:37,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 17.280701754385966) internal successors, (985), 57 states have internal predecessors, (985), 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 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:37,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:42:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:42:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:42:39,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-14 14:42:39,552 INFO L430 AbstractCegarLoop]: === Iteration 30 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:42:39,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:42:39,555 INFO L82 PathProgramCache]: Analyzing trace with hash -563745876, now seen corresponding path program 27 times [2021-07-14 14:42:39,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:42:39,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218060881] [2021-07-14 14:42:39,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:42:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:42:40,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12420 backedges. 81 proven. 12339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:40,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:42:40,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218060881] [2021-07-14 14:42:40,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218060881] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:40,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014496472] [2021-07-14 14:42:40,622 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:42:53,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2021-07-14 14:42:53,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:42:53,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 14:42:53,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:42:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12420 backedges. 81 proven. 12339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:54,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014496472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:54,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:42:54,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57] total 59 [2021-07-14 14:42:54,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282181482] [2021-07-14 14:42:54,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-14 14:42:54,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:42:54,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-14 14:42:54,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=2523, Unknown=0, NotChecked=0, Total=3422 [2021-07-14 14:42:54,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:54,078 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:42:54,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 17.271186440677965) internal successors, (1019), 59 states have internal predecessors, (1019), 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 14:42:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:54,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:42:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:42:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:42:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:42:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:42:55,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:42:55,769 INFO L430 AbstractCegarLoop]: === Iteration 31 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:42:55,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:42:55,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1793235053, now seen corresponding path program 28 times [2021-07-14 14:42:55,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:42:55,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439027421] [2021-07-14 14:42:55,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:42:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:42:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13356 backedges. 84 proven. 13272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:42:56,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:42:56,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439027421] [2021-07-14 14:42:56,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439027421] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:42:56,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971453788] [2021-07-14 14:42:56,854 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:43:15,024 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:43:15,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:43:15,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 1836 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 14:43:15,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:43:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 13356 backedges. 84 proven. 13272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:43:16,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971453788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:43:16,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:43:16,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 61 [2021-07-14 14:43:16,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987441777] [2021-07-14 14:43:16,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 14:43:16,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:43:16,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 14:43:16,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 14:43:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:43:16,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:43:16,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 17.262295081967213) internal successors, (1053), 61 states have internal predecessors, (1053), 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 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:43:16,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:43:16,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:43:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:43:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:43:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:43:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:43:17,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-14 14:43:17,801 INFO L430 AbstractCegarLoop]: === Iteration 32 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:43:17,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:43:17,801 INFO L82 PathProgramCache]: Analyzing trace with hash 43832558, now seen corresponding path program 29 times [2021-07-14 14:43:17,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:43:17,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771786975] [2021-07-14 14:43:17,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:43:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:43:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14326 backedges. 87 proven. 14239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:43:18,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:43:18,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771786975] [2021-07-14 14:43:18,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771786975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:43:18,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378246816] [2021-07-14 14:43:18,982 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:44:11,596 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2021-07-14 14:44:11,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:44:11,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 1896 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 14:44:11,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:44:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14326 backedges. 87 proven. 14239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:44:12,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378246816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:44:12,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:44:12,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61] total 63 [2021-07-14 14:44:12,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999431683] [2021-07-14 14:44:12,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-14 14:44:12,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:44:12,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-14 14:44:12,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2021-07-14 14:44:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:44:12,674 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:44:12,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 17.253968253968253) internal successors, (1087), 63 states have internal predecessors, (1087), 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 14:44:12,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:44:12,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:44:12,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:44:12,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:44:12,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:44:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:44:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:44:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 14:44:14,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:44:14,540 INFO L430 AbstractCegarLoop]: === Iteration 33 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:44:14,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:44:14,540 INFO L82 PathProgramCache]: Analyzing trace with hash -872369873, now seen corresponding path program 30 times [2021-07-14 14:44:14,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:44:14,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573819579] [2021-07-14 14:44:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:44:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:44:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 15330 backedges. 90 proven. 15240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:44:15,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:44:15,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573819579] [2021-07-14 14:44:15,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573819579] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:44:15,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76117559] [2021-07-14 14:44:15,787 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:52:14,909 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2021-07-14 14:52:14,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:52:15,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 14:52:15,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:52:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15330 backedges. 90 proven. 15240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:52:16,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76117559] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:52:16,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:52:16,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 65 [2021-07-14 14:52:16,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779184235] [2021-07-14 14:52:16,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-07-14 14:52:16,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:52:16,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-07-14 14:52:16,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1088, Invalid=3072, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 14:52:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:16,259 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:52:16,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 17.246153846153845) internal successors, (1121), 65 states have internal predecessors, (1121), 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 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:52:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 14:52:16,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:52:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:52:18,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:52:18,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:52:18,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 14:52:18,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 14:52:18,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-14 14:52:18,287 INFO L430 AbstractCegarLoop]: === Iteration 34 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:52:18,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:52:18,288 INFO L82 PathProgramCache]: Analyzing trace with hash -562676432, now seen corresponding path program 31 times [2021-07-14 14:52:18,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:52:18,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129375873] [2021-07-14 14:52:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:52:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:52:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16368 backedges. 93 proven. 16275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:52:19,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:52:19,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129375873] [2021-07-14 14:52:19,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129375873] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:52:19,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036658416] [2021-07-14 14:52:19,621 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:52:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:52:19,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 14:52:19,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:52:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 16368 backedges. 93 proven. 16275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:52:21,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036658416] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:52:21,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:52:21,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65] total 67 [2021-07-14 14:52:21,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373176607] [2021-07-14 14:52:21,018 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 14:52:21,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:52:21,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 14:52:21,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1155, Invalid=3267, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 14:52:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:21,019 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:52:21,020 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 17.238805970149254) internal successors, (1155), 67 states have internal predecessors, (1155), 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 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:52:21,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:52:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:52:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:52:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:52:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:52:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:52:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 14:52:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 14:52:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:52:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 14:52:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-07-14 14:52:23,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-14 14:52:23,149 INFO L430 AbstractCegarLoop]: === Iteration 35 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:52:23,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:52:23,149 INFO L82 PathProgramCache]: Analyzing trace with hash 56723697, now seen corresponding path program 32 times [2021-07-14 14:52:23,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:52:23,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146549808] [2021-07-14 14:52:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:52:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:52:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 17440 backedges. 96 proven. 17344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:52:24,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:52:24,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146549808] [2021-07-14 14:52:24,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146549808] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:52:24,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071446779] [2021-07-14 14:52:24,546 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:52:24,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:52:24,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:52:24,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 14:52:24,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:52:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17440 backedges. 96 proven. 17344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:52:26,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071446779] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:52:26,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:52:26,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 69 [2021-07-14 14:52:26,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955518019] [2021-07-14 14:52:26,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-14 14:52:26,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:52:26,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-14 14:52:26,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=3468, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 14:52:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:26,030 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:52:26,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 17.231884057971016) internal successors, (1189), 69 states have internal predecessors, (1189), 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 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:52:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-07-14 14:52:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:28,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 14:52:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 14:52:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 14:52:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 14:52:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 14:52:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-07-14 14:52:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-14 14:52:28,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-07-14 14:52:28,296 INFO L430 AbstractCegarLoop]: === Iteration 36 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 14:52:28,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:52:28,296 INFO L82 PathProgramCache]: Analyzing trace with hash 925017202, now seen corresponding path program 33 times [2021-07-14 14:52:28,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:52:28,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106572024] [2021-07-14 14:52:28,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:52:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:52:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 18546 backedges. 99 proven. 18447 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:52:29,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:52:29,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106572024] [2021-07-14 14:52:29,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106572024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:52:29,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679949562] [2021-07-14 14:52:29,770 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown