/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/12_fmaxsymopt_cas.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 08:38:18,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 08:38:18,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 08:38:18,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 08:38:18,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 08:38:18,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 08:38:18,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 08:38:18,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 08:38:18,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 08:38:18,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 08:38:18,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 08:38:18,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 08:38:18,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 08:38:18,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 08:38:18,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 08:38:18,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 08:38:18,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 08:38:18,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 08:38:18,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 08:38:18,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 08:38:18,517 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-FA-NoLbe-Separate.epf [2022-01-18 08:38:18,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 08:38:18,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 08:38:18,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 08:38:18,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 08:38:18,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 08:38:18,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 08:38:18,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 08:38:18,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 08:38:18,548 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 08:38:18,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 08:38:18,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 08:38:18,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 08:38:18,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 08:38:18,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 08:38:18,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 08:38:18,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 08:38:18,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 08:38:18,550 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 08:38:18,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 08:38:18,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 08:38:18,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 08:38:18,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 08:38:18,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 08:38:18,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 08:38:18,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 08:38:18,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:38:18,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 08:38:18,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 08:38:18,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 08:38:18,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 08:38:18,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 08:38:18,552 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 08:38:18,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 08:38:18,552 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 08:38:18,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 08:38:18,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 08:38:18,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 08:38:18,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 08:38:18,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 08:38:18,761 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 08:38:18,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/12_fmaxsymopt_cas.i [2022-01-18 08:38:18,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47dc56de6/6e7e732707cd430da80b47f5b3899fe4/FLAGa287f2aea [2022-01-18 08:38:19,184 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 08:38:19,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/12_fmaxsymopt_cas.i [2022-01-18 08:38:19,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47dc56de6/6e7e732707cd430da80b47f5b3899fe4/FLAGa287f2aea [2022-01-18 08:38:19,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47dc56de6/6e7e732707cd430da80b47f5b3899fe4 [2022-01-18 08:38:19,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 08:38:19,204 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 08:38:19,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 08:38:19,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 08:38:19,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 08:38:19,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627c4003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19, skipping insertion in model container [2022-01-18 08:38:19,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 08:38:19,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 08:38:19,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/12_fmaxsymopt_cas.i[30582,30595] [2022-01-18 08:38:19,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:38:19,532 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 08:38:19,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/12_fmaxsymopt_cas.i[30582,30595] [2022-01-18 08:38:19,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:38:19,607 INFO L208 MainTranslator]: Completed translation [2022-01-18 08:38:19,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19 WrapperNode [2022-01-18 08:38:19,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 08:38:19,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 08:38:19,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 08:38:19,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 08:38:19,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,651 INFO L137 Inliner]: procedures = 170, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2022-01-18 08:38:19,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 08:38:19,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 08:38:19,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 08:38:19,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 08:38:19,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 08:38:19,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 08:38:19,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 08:38:19,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 08:38:19,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (1/1) ... [2022-01-18 08:38:19,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:38:19,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:19,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 08:38:19,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 08:38:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 08:38:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-01-18 08:38:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-01-18 08:38:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 08:38:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 08:38:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 08:38:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 08:38:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 08:38:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 08:38:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 08:38:19,749 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 08:38:19,866 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 08:38:19,867 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 08:38:20,045 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 08:38:20,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 08:38:20,085 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-18 08:38:20,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:38:20 BoogieIcfgContainer [2022-01-18 08:38:20,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 08:38:20,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 08:38:20,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 08:38:20,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 08:38:20,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 08:38:19" (1/3) ... [2022-01-18 08:38:20,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd30f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:38:20, skipping insertion in model container [2022-01-18 08:38:20,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:38:19" (2/3) ... [2022-01-18 08:38:20,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd30f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:38:20, skipping insertion in model container [2022-01-18 08:38:20,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:38:20" (3/3) ... [2022-01-18 08:38:20,103 INFO L111 eAbstractionObserver]: Analyzing ICFG 12_fmaxsymopt_cas.i [2022-01-18 08:38:20,107 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 08:38:20,107 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 08:38:20,107 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 08:38:20,107 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 08:38:20,138 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,138 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,143 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,143 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,149 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,149 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,149 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,149 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,149 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,149 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,149 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,150 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,150 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,150 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,150 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,150 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,150 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,151 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,151 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,151 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,151 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,151 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,152 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,152 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,152 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,152 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,152 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,153 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,153 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,153 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,153 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,156 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,156 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,156 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,156 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,156 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,167 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,167 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,167 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,167 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,167 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,168 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,169 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,169 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,169 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,169 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,169 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,169 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,174 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,174 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,176 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,176 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:20,182 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 08:38:20,216 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 08:38:20,221 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 08:38:20,221 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 08:38:20,230 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 102 transitions, 209 flow [2022-01-18 08:38:20,300 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 729 states, 726 states have (on average 2.121212121212121) internal successors, (1540), 728 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 729 states, 726 states have (on average 2.121212121212121) internal successors, (1540), 728 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-18 08:38:20,317 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:20,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:20,318 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:20,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:20,322 INFO L85 PathProgramCache]: Analyzing trace with hash -49469687, now seen corresponding path program 1 times [2022-01-18 08:38:20,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:20,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592091436] [2022-01-18 08:38:20,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:20,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:20,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:20,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592091436] [2022-01-18 08:38:20,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592091436] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:20,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:20,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 08:38:20,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010417043] [2022-01-18 08:38:20,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:20,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 08:38:20,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:20,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 08:38:20,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:38:20,615 INFO L87 Difference]: Start difference. First operand has 729 states, 726 states have (on average 2.121212121212121) internal successors, (1540), 728 states have internal predecessors, (1540), 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) Second operand 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) [2022-01-18 08:38:20,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:20,658 INFO L93 Difference]: Finished difference Result 446 states and 842 transitions. [2022-01-18 08:38:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 08:38:20,663 INFO L78 Accepts]: Start accepts. 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) Word has length 55 [2022-01-18 08:38:20,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:20,678 INFO L225 Difference]: With dead ends: 446 [2022-01-18 08:38:20,679 INFO L226 Difference]: Without dead ends: 389 [2022-01-18 08:38:20,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:38:20,682 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:20,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-01-18 08:38:20,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2022-01-18 08:38:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 388 states have (on average 1.8969072164948453) internal successors, (736), 388 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 736 transitions. [2022-01-18 08:38:20,750 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 736 transitions. Word has length 55 [2022-01-18 08:38:20,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:20,752 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 736 transitions. [2022-01-18 08:38:20,752 INFO L471 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) [2022-01-18 08:38:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 736 transitions. [2022-01-18 08:38:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-18 08:38:20,754 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:20,754 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:20,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 08:38:20,755 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:20,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:20,755 INFO L85 PathProgramCache]: Analyzing trace with hash 329275292, now seen corresponding path program 1 times [2022-01-18 08:38:20,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:20,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820550567] [2022-01-18 08:38:20,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:20,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:20,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:20,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820550567] [2022-01-18 08:38:20,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820550567] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:20,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:20,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:38:20,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821587662] [2022-01-18 08:38:20,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:20,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:38:20,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:20,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:38:20,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:20,864 INFO L87 Difference]: Start difference. First operand 389 states and 736 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:20,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:20,905 INFO L93 Difference]: Finished difference Result 533 states and 1014 transitions. [2022-01-18 08:38:20,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:38:20,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) Word has length 56 [2022-01-18 08:38:20,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:20,909 INFO L225 Difference]: With dead ends: 533 [2022-01-18 08:38:20,909 INFO L226 Difference]: Without dead ends: 533 [2022-01-18 08:38:20,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:20,913 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 30 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:20,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 164 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-01-18 08:38:20,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 389. [2022-01-18 08:38:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 388 states have (on average 1.8762886597938144) internal successors, (728), 388 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 728 transitions. [2022-01-18 08:38:20,937 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 728 transitions. Word has length 56 [2022-01-18 08:38:20,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:20,937 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 728 transitions. [2022-01-18 08:38:20,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 728 transitions. [2022-01-18 08:38:20,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-18 08:38:20,939 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:20,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:20,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 08:38:20,939 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:20,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:20,940 INFO L85 PathProgramCache]: Analyzing trace with hash -950571083, now seen corresponding path program 1 times [2022-01-18 08:38:20,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:20,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422389073] [2022-01-18 08:38:20,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:20,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:20,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:20,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422389073] [2022-01-18 08:38:20,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422389073] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:20,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:20,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:38:20,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082636962] [2022-01-18 08:38:20,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:20,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:38:20,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:20,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:38:20,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:20,985 INFO L87 Difference]: Start difference. First operand 389 states and 728 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:21,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:21,003 INFO L93 Difference]: Finished difference Result 461 states and 871 transitions. [2022-01-18 08:38:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:38:21,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) Word has length 59 [2022-01-18 08:38:21,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:21,006 INFO L225 Difference]: With dead ends: 461 [2022-01-18 08:38:21,006 INFO L226 Difference]: Without dead ends: 461 [2022-01-18 08:38:21,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:21,007 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 16 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:21,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 151 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:21,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-01-18 08:38:21,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 397. [2022-01-18 08:38:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.8762626262626263) internal successors, (743), 396 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 743 transitions. [2022-01-18 08:38:21,017 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 743 transitions. Word has length 59 [2022-01-18 08:38:21,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:21,017 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 743 transitions. [2022-01-18 08:38:21,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 743 transitions. [2022-01-18 08:38:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-18 08:38:21,019 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:21,019 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:21,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 08:38:21,020 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:21,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:21,020 INFO L85 PathProgramCache]: Analyzing trace with hash -853646079, now seen corresponding path program 1 times [2022-01-18 08:38:21,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:21,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20079069] [2022-01-18 08:38:21,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:21,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:21,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:21,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20079069] [2022-01-18 08:38:21,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20079069] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:21,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535372931] [2022-01-18 08:38:21,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:21,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:21,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:21,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:21,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 08:38:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:21,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 08:38:21,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:21,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:38:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:21,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535372931] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:38:21,519 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:38:21,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-01-18 08:38:21,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112520400] [2022-01-18 08:38:21,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:38:21,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:38:21,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:21,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:38:21,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:38:21,525 INFO L87 Difference]: Start difference. First operand 397 states and 743 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:21,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:21,573 INFO L93 Difference]: Finished difference Result 477 states and 901 transitions. [2022-01-18 08:38:21,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 08:38:21,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) Word has length 68 [2022-01-18 08:38:21,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:21,576 INFO L225 Difference]: With dead ends: 477 [2022-01-18 08:38:21,576 INFO L226 Difference]: Without dead ends: 477 [2022-01-18 08:38:21,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:38:21,577 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 53 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:21,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 303 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:21,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2022-01-18 08:38:21,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2022-01-18 08:38:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 476 states have (on average 1.8928571428571428) internal successors, (901), 476 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:21,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 901 transitions. [2022-01-18 08:38:21,588 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 901 transitions. Word has length 68 [2022-01-18 08:38:21,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:21,589 INFO L470 AbstractCegarLoop]: Abstraction has 477 states and 901 transitions. [2022-01-18 08:38:21,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 901 transitions. [2022-01-18 08:38:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-18 08:38:21,590 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:21,591 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:21,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 08:38:21,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:21,814 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:21,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:21,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1255627467, now seen corresponding path program 2 times [2022-01-18 08:38:21,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:21,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638568771] [2022-01-18 08:38:21,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:21,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:21,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:21,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638568771] [2022-01-18 08:38:21,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638568771] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:21,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:21,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 08:38:21,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790286143] [2022-01-18 08:38:21,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:21,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 08:38:21,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:21,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 08:38:21,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 08:38:21,897 INFO L87 Difference]: Start difference. First operand 477 states and 901 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:21,993 INFO L93 Difference]: Finished difference Result 503 states and 938 transitions. [2022-01-18 08:38:21,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 08:38:21,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) Word has length 77 [2022-01-18 08:38:21,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:21,997 INFO L225 Difference]: With dead ends: 503 [2022-01-18 08:38:21,997 INFO L226 Difference]: Without dead ends: 491 [2022-01-18 08:38:21,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:38:22,001 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 35 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:22,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 391 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:38:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-01-18 08:38:22,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 489. [2022-01-18 08:38:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 488 states have (on average 1.8770491803278688) internal successors, (916), 488 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 916 transitions. [2022-01-18 08:38:22,022 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 916 transitions. Word has length 77 [2022-01-18 08:38:22,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:22,023 INFO L470 AbstractCegarLoop]: Abstraction has 489 states and 916 transitions. [2022-01-18 08:38:22,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 916 transitions. [2022-01-18 08:38:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-18 08:38:22,025 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:22,025 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:22,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 08:38:22,025 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:22,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:22,026 INFO L85 PathProgramCache]: Analyzing trace with hash 60560635, now seen corresponding path program 1 times [2022-01-18 08:38:22,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:22,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885327833] [2022-01-18 08:38:22,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:22,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:22,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:22,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885327833] [2022-01-18 08:38:22,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885327833] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:22,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:22,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:38:22,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515524672] [2022-01-18 08:38:22,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:22,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:38:22,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:22,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:38:22,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:38:22,246 INFO L87 Difference]: Start difference. First operand 489 states and 916 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:22,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:22,531 INFO L93 Difference]: Finished difference Result 785 states and 1470 transitions. [2022-01-18 08:38:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 08:38:22,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-18 08:38:22,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:22,535 INFO L225 Difference]: With dead ends: 785 [2022-01-18 08:38:22,535 INFO L226 Difference]: Without dead ends: 741 [2022-01-18 08:38:22,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-01-18 08:38:22,537 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 151 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:22,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 639 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:38:22,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-01-18 08:38:22,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 693. [2022-01-18 08:38:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 692 states have (on average 1.9248554913294798) internal successors, (1332), 692 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1332 transitions. [2022-01-18 08:38:22,553 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1332 transitions. Word has length 81 [2022-01-18 08:38:22,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:22,554 INFO L470 AbstractCegarLoop]: Abstraction has 693 states and 1332 transitions. [2022-01-18 08:38:22,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1332 transitions. [2022-01-18 08:38:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-01-18 08:38:22,556 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:22,556 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:22,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 08:38:22,556 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:22,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:22,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1420362448, now seen corresponding path program 1 times [2022-01-18 08:38:22,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:22,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051059687] [2022-01-18 08:38:22,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:22,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-18 08:38:22,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:22,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051059687] [2022-01-18 08:38:22,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051059687] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:22,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702427149] [2022-01-18 08:38:22,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:22,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:22,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:22,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:22,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 08:38:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:22,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 08:38:22,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:23,053 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:38:23,054 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:38:23,201 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:38:23,201 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:38:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:38:23,474 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2022-01-18 08:38:23,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2022-01-18 08:38:23,488 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-01-18 08:38:23,513 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:38:23,517 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:38:23,520 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:38:23,540 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:38:23,543 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:38:23,735 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:38:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:23,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:38:23,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702427149] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:23,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:38:23,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 19 [2022-01-18 08:38:23,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82302304] [2022-01-18 08:38:23,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:23,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:38:23,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:23,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:38:23,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2022-01-18 08:38:23,743 INFO L87 Difference]: Start difference. First operand 693 states and 1332 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:23,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:23,860 INFO L93 Difference]: Finished difference Result 829 states and 1573 transitions. [2022-01-18 08:38:23,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 08:38:23,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 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) Word has length 82 [2022-01-18 08:38:23,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:23,863 INFO L225 Difference]: With dead ends: 829 [2022-01-18 08:38:23,863 INFO L226 Difference]: Without dead ends: 811 [2022-01-18 08:38:23,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2022-01-18 08:38:23,864 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 141 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:23,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 453 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 66 Unchecked, 0.0s Time] [2022-01-18 08:38:23,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2022-01-18 08:38:23,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 769. [2022-01-18 08:38:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 768 states have (on average 1.9309895833333333) internal successors, (1483), 768 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1483 transitions. [2022-01-18 08:38:23,881 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1483 transitions. Word has length 82 [2022-01-18 08:38:23,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:23,881 INFO L470 AbstractCegarLoop]: Abstraction has 769 states and 1483 transitions. [2022-01-18 08:38:23,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1483 transitions. [2022-01-18 08:38:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-01-18 08:38:23,883 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:23,883 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:23,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 08:38:24,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-01-18 08:38:24,105 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:24,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:24,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1228034762, now seen corresponding path program 1 times [2022-01-18 08:38:24,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:24,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295245874] [2022-01-18 08:38:24,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:24,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:24,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:24,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295245874] [2022-01-18 08:38:24,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295245874] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:24,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702815075] [2022-01-18 08:38:24,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:24,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:24,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:24,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:24,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 08:38:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:24,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-18 08:38:24,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:24,722 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:38:24,722 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:38:25,019 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:38:25,043 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:38:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-18 08:38:25,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:38:25,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702815075] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:25,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:38:25,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2022-01-18 08:38:25,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139777981] [2022-01-18 08:38:25,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:25,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:38:25,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:25,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:38:25,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:38:25,063 INFO L87 Difference]: Start difference. First operand 769 states and 1483 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:25,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:25,231 INFO L93 Difference]: Finished difference Result 779 states and 1493 transitions. [2022-01-18 08:38:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 08:38:25,231 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-01-18 08:38:25,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:25,234 INFO L225 Difference]: With dead ends: 779 [2022-01-18 08:38:25,234 INFO L226 Difference]: Without dead ends: 763 [2022-01-18 08:38:25,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=697, Unknown=0, NotChecked=0, Total=812 [2022-01-18 08:38:25,235 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 121 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:25,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 360 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:38:25,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2022-01-18 08:38:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 751. [2022-01-18 08:38:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 750 states have (on average 1.8973333333333333) internal successors, (1423), 750 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1423 transitions. [2022-01-18 08:38:25,250 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1423 transitions. Word has length 83 [2022-01-18 08:38:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:25,250 INFO L470 AbstractCegarLoop]: Abstraction has 751 states and 1423 transitions. [2022-01-18 08:38:25,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1423 transitions. [2022-01-18 08:38:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-18 08:38:25,252 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:25,252 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:25,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 08:38:25,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:25,478 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:25,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:25,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1728466768, now seen corresponding path program 1 times [2022-01-18 08:38:25,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:25,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406606991] [2022-01-18 08:38:25,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:25,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-18 08:38:25,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:25,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406606991] [2022-01-18 08:38:25,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406606991] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:25,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:25,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 08:38:25,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596256553] [2022-01-18 08:38:25,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:25,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:38:25,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:25,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:38:25,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-01-18 08:38:25,866 INFO L87 Difference]: Start difference. First operand 751 states and 1423 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:26,093 INFO L93 Difference]: Finished difference Result 693 states and 1310 transitions. [2022-01-18 08:38:26,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 08:38:26,093 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 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) Word has length 87 [2022-01-18 08:38:26,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:26,096 INFO L225 Difference]: With dead ends: 693 [2022-01-18 08:38:26,096 INFO L226 Difference]: Without dead ends: 663 [2022-01-18 08:38:26,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-01-18 08:38:26,097 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 217 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:26,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 424 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:38:26,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2022-01-18 08:38:26,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 625. [2022-01-18 08:38:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 624 states have (on average 1.891025641025641) internal successors, (1180), 624 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1180 transitions. [2022-01-18 08:38:26,110 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1180 transitions. Word has length 87 [2022-01-18 08:38:26,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:26,110 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 1180 transitions. [2022-01-18 08:38:26,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1180 transitions. [2022-01-18 08:38:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-01-18 08:38:26,111 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:26,111 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:26,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 08:38:26,112 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:26,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:26,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1127641569, now seen corresponding path program 1 times [2022-01-18 08:38:26,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:26,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253524544] [2022-01-18 08:38:26,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:26,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:26,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:26,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253524544] [2022-01-18 08:38:26,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253524544] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:26,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3514451] [2022-01-18 08:38:26,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:26,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:26,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:26,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:26,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 08:38:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:26,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 46 conjunts are in the unsatisfiable core [2022-01-18 08:38:26,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:26,591 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:38:26,592 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:38:26,873 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:38:26,873 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:38:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:38:27,215 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2022-01-18 08:38:27,220 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2022-01-18 08:38:27,227 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-01-18 08:38:27,251 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:38:27,255 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:38:27,259 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:38:27,281 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:38:27,284 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:38:27,519 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 08:38:27,519 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 30 [2022-01-18 08:38:27,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:38:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-18 08:38:27,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:38:27,607 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_160 (Array Int Int))) (<= |c_thr1Thread1of1ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_160) |c_~#max~0.base|) |c_~#max~0.offset|))) is different from false [2022-01-18 08:38:27,638 WARN L838 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread1of1ForFork0_findMax_#t~mem7#1| 0) (forall ((v_ArrVal_160 (Array Int Int))) (<= |c_thr1Thread1of1ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_160) |c_~#max~0.base|) |c_~#max~0.offset|)))) is different from false [2022-01-18 08:38:27,656 WARN L838 $PredicateComparison]: unable to prove that (or (= (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread1of1ForFork0_findMax_~#cret~0#1.offset|) 0) (forall ((v_ArrVal_160 (Array Int Int))) (<= |c_thr1Thread1of1ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_160) |c_~#max~0.base|) |c_~#max~0.offset|)))) is different from false [2022-01-18 08:38:27,753 INFO L353 Elim1Store]: treesize reduction 26, result has 65.3 percent of original size [2022-01-18 08:38:27,753 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 78 treesize of output 97 [2022-01-18 08:38:27,761 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:38:27,761 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2022-01-18 08:38:27,807 INFO L353 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2022-01-18 08:38:27,808 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 98 [2022-01-18 08:38:27,936 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:38:27,936 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 60 [2022-01-18 08:38:27,967 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:38:27,968 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 68 [2022-01-18 08:38:27,981 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-01-18 08:38:28,020 INFO L353 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-01-18 08:38:28,020 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 68 [2022-01-18 08:38:28,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-18 08:38:28,064 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-01-18 08:38:28,097 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:38:28,097 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 81 [2022-01-18 08:38:28,101 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2022-01-18 08:38:28,147 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-01-18 08:38:28,154 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-01-18 08:38:28,162 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-01-18 08:38:28,983 INFO L353 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-01-18 08:38:28,983 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2022-01-18 08:38:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 3 not checked. [2022-01-18 08:38:29,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3514451] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:38:29,007 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:38:29,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 29 [2022-01-18 08:38:29,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862936607] [2022-01-18 08:38:29,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:38:29,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-18 08:38:29,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:29,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-18 08:38:29,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=540, Unknown=3, NotChecked=150, Total=812 [2022-01-18 08:38:29,008 INFO L87 Difference]: Start difference. First operand 625 states and 1180 transitions. Second operand has 29 states, 29 states have (on average 7.413793103448276) internal successors, (215), 29 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:29,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:29,641 INFO L93 Difference]: Finished difference Result 775 states and 1464 transitions. [2022-01-18 08:38:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-18 08:38:29,642 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 7.413793103448276) internal successors, (215), 29 states have internal predecessors, (215), 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) Word has length 88 [2022-01-18 08:38:29,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:29,644 INFO L225 Difference]: With dead ends: 775 [2022-01-18 08:38:29,644 INFO L226 Difference]: Without dead ends: 741 [2022-01-18 08:38:29,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 164 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=427, Invalid=1388, Unknown=3, NotChecked=252, Total=2070 [2022-01-18 08:38:29,646 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 307 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 614 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:29,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [307 Valid, 1202 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 311 Invalid, 0 Unknown, 614 Unchecked, 0.2s Time] [2022-01-18 08:38:29,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-01-18 08:38:29,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 613. [2022-01-18 08:38:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 612 states have (on average 1.8888888888888888) internal successors, (1156), 612 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 1156 transitions. [2022-01-18 08:38:29,658 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 1156 transitions. Word has length 88 [2022-01-18 08:38:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:29,659 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 1156 transitions. [2022-01-18 08:38:29,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.413793103448276) internal successors, (215), 29 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1156 transitions. [2022-01-18 08:38:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 08:38:29,660 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:29,661 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:29,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 08:38:29,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:29,883 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:29,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:29,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1151955468, now seen corresponding path program 1 times [2022-01-18 08:38:29,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:29,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865068234] [2022-01-18 08:38:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:29,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:29,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:29,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865068234] [2022-01-18 08:38:29,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865068234] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:29,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:29,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 08:38:29,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883518739] [2022-01-18 08:38:29,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:29,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 08:38:29,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:29,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 08:38:29,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 08:38:29,936 INFO L87 Difference]: Start difference. First operand 613 states and 1156 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:29,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:29,992 INFO L93 Difference]: Finished difference Result 537 states and 985 transitions. [2022-01-18 08:38:29,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 08:38:29,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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) Word has length 91 [2022-01-18 08:38:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:29,995 INFO L225 Difference]: With dead ends: 537 [2022-01-18 08:38:29,995 INFO L226 Difference]: Without dead ends: 413 [2022-01-18 08:38:29,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-01-18 08:38:29,996 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 39 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:29,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 402 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:29,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-01-18 08:38:30,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-01-18 08:38:30,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.796116504854369) internal successors, (740), 412 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 740 transitions. [2022-01-18 08:38:30,004 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 740 transitions. Word has length 91 [2022-01-18 08:38:30,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:30,004 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 740 transitions. [2022-01-18 08:38:30,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 740 transitions. [2022-01-18 08:38:30,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-01-18 08:38:30,008 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:30,008 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:30,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 08:38:30,008 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:30,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:30,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1876420515, now seen corresponding path program 1 times [2022-01-18 08:38:30,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:30,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406583566] [2022-01-18 08:38:30,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:30,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-18 08:38:30,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:30,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406583566] [2022-01-18 08:38:30,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406583566] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:30,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293333633] [2022-01-18 08:38:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:30,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:30,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:30,119 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:30,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 08:38:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:30,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 08:38:30,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:30,352 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:38:30,352 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:38:30,502 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:38:30,502 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:38:30,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:38:30,823 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2022-01-18 08:38:30,829 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2022-01-18 08:38:30,834 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-01-18 08:38:30,855 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:38:30,857 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:38:30,871 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:38:30,875 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:38:30,878 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:38:31,022 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:38:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-18 08:38:31,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:38:31,128 INFO L353 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2022-01-18 08:38:31,129 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 78 treesize of output 71 [2022-01-18 08:38:31,157 INFO L353 Elim1Store]: treesize reduction 22, result has 68.1 percent of original size [2022-01-18 08:38:31,158 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 88 [2022-01-18 08:38:31,165 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:38:31,165 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 45 [2022-01-18 08:38:31,187 INFO L353 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2022-01-18 08:38:31,188 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 58 [2022-01-18 08:38:31,200 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-01-18 08:38:31,236 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:38:31,237 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 08:38:31,245 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-01-18 08:38:31,252 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-01-18 08:38:31,449 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:38:31,449 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:38:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-18 08:38:31,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293333633] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:38:31,468 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:38:31,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 24 [2022-01-18 08:38:31,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220017120] [2022-01-18 08:38:31,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:38:31,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-18 08:38:31,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:31,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-18 08:38:31,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=479, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:38:31,469 INFO L87 Difference]: Start difference. First operand 413 states and 740 transitions. Second operand has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:31,877 INFO L93 Difference]: Finished difference Result 411 states and 735 transitions. [2022-01-18 08:38:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 08:38:31,877 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 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) Word has length 97 [2022-01-18 08:38:31,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:31,878 INFO L225 Difference]: With dead ends: 411 [2022-01-18 08:38:31,878 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 08:38:31,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 183 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=226, Invalid=964, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:38:31,879 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 170 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:31,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 927 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 271 Invalid, 0 Unknown, 9 Unchecked, 0.1s Time] [2022-01-18 08:38:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 08:38:31,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 08:38:31,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 08:38:31,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2022-01-18 08:38:31,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:31,884 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 08:38:31,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 08:38:31,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 08:38:31,886 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-18 08:38:31,887 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 08:38:31,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-18 08:38:32,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-18 08:38:32,102 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:32,103 INFO L308 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE (1/2) [2022-01-18 08:38:32,106 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2022-01-18 08:38:32,106 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 08:38:32,106 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-18 08:38:32,108 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 102 transitions, 209 flow [2022-01-18 08:38:32,122 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 461 states, 459 states have (on average 1.9847494553376905) internal successors, (911), 460 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 459 states have (on average 1.9847494553376905) internal successors, (911), 460 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-18 08:38:32,126 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:32,126 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:32,126 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 08:38:32,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:32,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1635953085, now seen corresponding path program 1 times [2022-01-18 08:38:32,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:32,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787455907] [2022-01-18 08:38:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:32,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 08:38:32,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 08:38:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 08:38:32,155 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 08:38:32,155 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 08:38:32,155 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-01-18 08:38:32,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 08:38:32,156 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 08:38:32,156 INFO L308 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2022-01-18 08:38:32,156 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 08:38:32,156 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-18 08:38:32,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,199 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,199 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,214 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,215 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,216 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,217 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,217 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,217 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,217 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,217 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,240 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,240 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,240 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,240 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#in~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~offset~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~e~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~my_max~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~offset#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:38:32,243 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 08:38:32,245 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 08:38:32,246 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 08:38:32,246 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 08:38:32,250 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 150 places, 166 transitions, 344 flow [2022-01-18 08:38:33,358 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 41059 states, 41051 states have (on average 3.3142676183284205) internal successors, (136054), 41058 states have internal predecessors, (136054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 41059 states, 41051 states have (on average 3.3142676183284205) internal successors, (136054), 41058 states have internal predecessors, (136054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-18 08:38:33,586 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:33,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:33,587 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:33,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:33,587 INFO L85 PathProgramCache]: Analyzing trace with hash 100779342, now seen corresponding path program 1 times [2022-01-18 08:38:33,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:33,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381495249] [2022-01-18 08:38:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:33,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:33,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:33,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381495249] [2022-01-18 08:38:33,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381495249] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:33,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:33,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 08:38:33,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20979063] [2022-01-18 08:38:33,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:33,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 08:38:33,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:33,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 08:38:33,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:38:33,726 INFO L87 Difference]: Start difference. First operand has 41059 states, 41051 states have (on average 3.3142676183284205) internal successors, (136054), 41058 states have internal predecessors, (136054), 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) Second operand 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) [2022-01-18 08:38:34,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:34,039 INFO L93 Difference]: Finished difference Result 22823 states and 68651 transitions. [2022-01-18 08:38:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 08:38:34,039 INFO L78 Accepts]: Start accepts. 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) Word has length 55 [2022-01-18 08:38:34,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:34,213 INFO L225 Difference]: With dead ends: 22823 [2022-01-18 08:38:34,213 INFO L226 Difference]: Without dead ends: 22360 [2022-01-18 08:38:34,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:38:34,214 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:34,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:34,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22360 states. [2022-01-18 08:38:34,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22360 to 22360. [2022-01-18 08:38:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22360 states, 22355 states have (on average 3.0116752404383806) internal successors, (67326), 22359 states have internal predecessors, (67326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22360 states to 22360 states and 67326 transitions. [2022-01-18 08:38:35,095 INFO L78 Accepts]: Start accepts. Automaton has 22360 states and 67326 transitions. Word has length 55 [2022-01-18 08:38:35,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:35,096 INFO L470 AbstractCegarLoop]: Abstraction has 22360 states and 67326 transitions. [2022-01-18 08:38:35,096 INFO L471 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) [2022-01-18 08:38:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 22360 states and 67326 transitions. [2022-01-18 08:38:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-18 08:38:35,100 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:35,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:35,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 08:38:35,101 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:35,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:35,101 INFO L85 PathProgramCache]: Analyzing trace with hash 692028124, now seen corresponding path program 1 times [2022-01-18 08:38:35,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:35,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550412964] [2022-01-18 08:38:35,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:35,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:35,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:35,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550412964] [2022-01-18 08:38:35,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550412964] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:35,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:35,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:38:35,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381697115] [2022-01-18 08:38:35,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:35,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:38:35,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:35,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:38:35,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:35,124 INFO L87 Difference]: Start difference. First operand 22360 states and 67326 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:35,485 INFO L93 Difference]: Finished difference Result 32687 states and 98094 transitions. [2022-01-18 08:38:35,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:38:35,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) Word has length 56 [2022-01-18 08:38:35,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:35,599 INFO L225 Difference]: With dead ends: 32687 [2022-01-18 08:38:35,600 INFO L226 Difference]: Without dead ends: 32687 [2022-01-18 08:38:35,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:35,600 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 95 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:35,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 353 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:35,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32687 states. [2022-01-18 08:38:36,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32687 to 22360. [2022-01-18 08:38:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22360 states, 22355 states have (on average 2.9923954372623576) internal successors, (66895), 22359 states have internal predecessors, (66895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:36,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22360 states to 22360 states and 66895 transitions. [2022-01-18 08:38:36,454 INFO L78 Accepts]: Start accepts. Automaton has 22360 states and 66895 transitions. Word has length 56 [2022-01-18 08:38:36,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:36,454 INFO L470 AbstractCegarLoop]: Abstraction has 22360 states and 66895 transitions. [2022-01-18 08:38:36,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 22360 states and 66895 transitions. [2022-01-18 08:38:36,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-18 08:38:36,460 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:36,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:36,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 08:38:36,461 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:36,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:36,461 INFO L85 PathProgramCache]: Analyzing trace with hash -318442310, now seen corresponding path program 1 times [2022-01-18 08:38:36,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:36,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868910413] [2022-01-18 08:38:36,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:36,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:36,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:36,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868910413] [2022-01-18 08:38:36,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868910413] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:36,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:36,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:38:36,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590003574] [2022-01-18 08:38:36,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:36,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:38:36,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:36,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:38:36,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:36,495 INFO L87 Difference]: Start difference. First operand 22360 states and 66895 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:36,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:36,649 INFO L93 Difference]: Finished difference Result 26239 states and 78711 transitions. [2022-01-18 08:38:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:38:36,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) Word has length 59 [2022-01-18 08:38:36,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:36,922 INFO L225 Difference]: With dead ends: 26239 [2022-01-18 08:38:36,922 INFO L226 Difference]: Without dead ends: 26239 [2022-01-18 08:38:36,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:36,922 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 74 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:36,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 335 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:36,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26239 states. [2022-01-18 08:38:37,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26239 to 22791. [2022-01-18 08:38:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22791 states, 22786 states have (on average 2.9913104537874133) internal successors, (68160), 22790 states have internal predecessors, (68160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22791 states to 22791 states and 68160 transitions. [2022-01-18 08:38:37,439 INFO L78 Accepts]: Start accepts. Automaton has 22791 states and 68160 transitions. Word has length 59 [2022-01-18 08:38:37,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:37,439 INFO L470 AbstractCegarLoop]: Abstraction has 22791 states and 68160 transitions. [2022-01-18 08:38:37,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:37,439 INFO L276 IsEmpty]: Start isEmpty. Operand 22791 states and 68160 transitions. [2022-01-18 08:38:37,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-01-18 08:38:37,449 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:37,449 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:37,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 08:38:37,450 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:37,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:37,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2115260272, now seen corresponding path program 1 times [2022-01-18 08:38:37,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:37,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132364841] [2022-01-18 08:38:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:37,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:38:37,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:37,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132364841] [2022-01-18 08:38:37,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132364841] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:37,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:37,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:38:37,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034593336] [2022-01-18 08:38:37,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:37,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:38:37,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:37,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:38:37,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:37,471 INFO L87 Difference]: Start difference. First operand 22791 states and 68160 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:37,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:37,796 INFO L93 Difference]: Finished difference Result 33143 states and 98954 transitions. [2022-01-18 08:38:37,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:38:37,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) Word has length 63 [2022-01-18 08:38:37,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:37,893 INFO L225 Difference]: With dead ends: 33143 [2022-01-18 08:38:37,894 INFO L226 Difference]: Without dead ends: 33143 [2022-01-18 08:38:37,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:37,894 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 93 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:37,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 350 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:37,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33143 states. [2022-01-18 08:38:38,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33143 to 22791. [2022-01-18 08:38:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22791 states, 22786 states have (on average 2.9723514438690426) internal successors, (67728), 22790 states have internal predecessors, (67728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22791 states to 22791 states and 67728 transitions. [2022-01-18 08:38:38,694 INFO L78 Accepts]: Start accepts. Automaton has 22791 states and 67728 transitions. Word has length 63 [2022-01-18 08:38:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:38,695 INFO L470 AbstractCegarLoop]: Abstraction has 22791 states and 67728 transitions. [2022-01-18 08:38:38,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22791 states and 67728 transitions. [2022-01-18 08:38:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-18 08:38:38,709 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:38,709 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:38,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 08:38:38,709 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:38,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash -643922393, now seen corresponding path program 1 times [2022-01-18 08:38:38,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:38,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768766853] [2022-01-18 08:38:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:38,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:38:38,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:38,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768766853] [2022-01-18 08:38:38,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768766853] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:38,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:38,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:38:38,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670984489] [2022-01-18 08:38:38,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:38,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:38:38,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:38,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:38:38,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:38,734 INFO L87 Difference]: Start difference. First operand 22791 states and 67728 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:38,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:38,871 INFO L93 Difference]: Finished difference Result 26679 states and 79554 transitions. [2022-01-18 08:38:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:38:38,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) Word has length 66 [2022-01-18 08:38:38,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:38,936 INFO L225 Difference]: With dead ends: 26679 [2022-01-18 08:38:38,937 INFO L226 Difference]: Without dead ends: 26679 [2022-01-18 08:38:38,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:38:38,937 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 72 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:38,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 332 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:38,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26679 states. [2022-01-18 08:38:39,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26679 to 23223. [2022-01-18 08:38:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23223 states, 23218 states have (on average 2.9715737789645966) internal successors, (68994), 23222 states have internal predecessors, (68994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23223 states to 23223 states and 68994 transitions. [2022-01-18 08:38:39,667 INFO L78 Accepts]: Start accepts. Automaton has 23223 states and 68994 transitions. Word has length 66 [2022-01-18 08:38:39,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:39,668 INFO L470 AbstractCegarLoop]: Abstraction has 23223 states and 68994 transitions. [2022-01-18 08:38:39,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 23223 states and 68994 transitions. [2022-01-18 08:38:39,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-18 08:38:39,678 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:39,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:39,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 08:38:39,678 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:39,679 INFO L85 PathProgramCache]: Analyzing trace with hash 447316993, now seen corresponding path program 1 times [2022-01-18 08:38:39,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:39,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868377572] [2022-01-18 08:38:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:39,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:39,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:39,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868377572] [2022-01-18 08:38:39,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868377572] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:39,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119626767] [2022-01-18 08:38:39,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:39,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:39,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:39,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:39,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 08:38:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:39,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 08:38:39,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:39,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:39,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:38:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:38:39,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119626767] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:38:39,942 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:38:39,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-01-18 08:38:39,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507233398] [2022-01-18 08:38:39,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:38:39,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:38:39,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:39,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:38:39,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:38:39,943 INFO L87 Difference]: Start difference. First operand 23223 states and 68994 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:40,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:40,097 INFO L93 Difference]: Finished difference Result 27613 states and 82233 transitions. [2022-01-18 08:38:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 08:38:40,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) Word has length 68 [2022-01-18 08:38:40,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:40,150 INFO L225 Difference]: With dead ends: 27613 [2022-01-18 08:38:40,151 INFO L226 Difference]: Without dead ends: 27613 [2022-01-18 08:38:40,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:38:40,152 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 405 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:40,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 650 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:40,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27613 states. [2022-01-18 08:38:40,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27613 to 27613. [2022-01-18 08:38:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27613 states, 27608 states have (on average 2.978593161402492) internal successors, (82233), 27612 states have internal predecessors, (82233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27613 states to 27613 states and 82233 transitions. [2022-01-18 08:38:40,868 INFO L78 Accepts]: Start accepts. Automaton has 27613 states and 82233 transitions. Word has length 68 [2022-01-18 08:38:40,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:40,868 INFO L470 AbstractCegarLoop]: Abstraction has 27613 states and 82233 transitions. [2022-01-18 08:38:40,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27613 states and 82233 transitions. [2022-01-18 08:38:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-01-18 08:38:40,883 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:40,883 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:40,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-18 08:38:41,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:41,108 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:41,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:41,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1703386229, now seen corresponding path program 1 times [2022-01-18 08:38:41,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:41,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363336804] [2022-01-18 08:38:41,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:41,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:38:41,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:41,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363336804] [2022-01-18 08:38:41,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363336804] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:41,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915504503] [2022-01-18 08:38:41,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:41,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:41,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:41,141 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:41,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-18 08:38:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:41,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 08:38:41,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:38:41,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:38:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:38:41,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915504503] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:38:41,572 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:38:41,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-01-18 08:38:41,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428023727] [2022-01-18 08:38:41,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:38:41,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:38:41,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:41,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:38:41,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:38:41,574 INFO L87 Difference]: Start difference. First operand 27613 states and 82233 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:41,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:41,775 INFO L93 Difference]: Finished difference Result 32733 states and 97785 transitions. [2022-01-18 08:38:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 08:38:41,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) Word has length 75 [2022-01-18 08:38:41,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:41,866 INFO L225 Difference]: With dead ends: 32733 [2022-01-18 08:38:41,866 INFO L226 Difference]: Without dead ends: 32733 [2022-01-18 08:38:41,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:38:41,867 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 333 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:41,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 775 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:38:41,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32733 states. [2022-01-18 08:38:42,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32733 to 32733. [2022-01-18 08:38:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32733 states, 32728 states have (on average 2.987808604253239) internal successors, (97785), 32732 states have internal predecessors, (97785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32733 states to 32733 states and 97785 transitions. [2022-01-18 08:38:42,811 INFO L78 Accepts]: Start accepts. Automaton has 32733 states and 97785 transitions. Word has length 75 [2022-01-18 08:38:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:42,811 INFO L470 AbstractCegarLoop]: Abstraction has 32733 states and 97785 transitions. [2022-01-18 08:38:42,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32733 states and 97785 transitions. [2022-01-18 08:38:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-18 08:38:42,825 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:42,825 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:42,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-01-18 08:38:43,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:43,048 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:43,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:43,048 INFO L85 PathProgramCache]: Analyzing trace with hash -871091046, now seen corresponding path program 2 times [2022-01-18 08:38:43,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:43,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634607745] [2022-01-18 08:38:43,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:43,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:43,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:43,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634607745] [2022-01-18 08:38:43,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634607745] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:43,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:43,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 08:38:43,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831140006] [2022-01-18 08:38:43,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:43,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 08:38:43,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:43,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 08:38:43,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 08:38:43,089 INFO L87 Difference]: Start difference. First operand 32733 states and 97785 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:43,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:43,405 INFO L93 Difference]: Finished difference Result 39521 states and 117619 transitions. [2022-01-18 08:38:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 08:38:43,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) Word has length 77 [2022-01-18 08:38:43,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:43,496 INFO L225 Difference]: With dead ends: 39521 [2022-01-18 08:38:43,496 INFO L226 Difference]: Without dead ends: 39377 [2022-01-18 08:38:43,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:38:43,497 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 389 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:43,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 1471 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:38:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39377 states. [2022-01-18 08:38:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39377 to 35230. [2022-01-18 08:38:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35230 states, 35225 states have (on average 2.996848828956707) internal successors, (105564), 35229 states have internal predecessors, (105564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35230 states to 35230 states and 105564 transitions. [2022-01-18 08:38:44,344 INFO L78 Accepts]: Start accepts. Automaton has 35230 states and 105564 transitions. Word has length 77 [2022-01-18 08:38:44,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:44,344 INFO L470 AbstractCegarLoop]: Abstraction has 35230 states and 105564 transitions. [2022-01-18 08:38:44,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35230 states and 105564 transitions. [2022-01-18 08:38:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-18 08:38:44,358 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:44,358 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:44,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 08:38:44,358 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:44,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:44,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1843201248, now seen corresponding path program 1 times [2022-01-18 08:38:44,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:44,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310301068] [2022-01-18 08:38:44,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:44,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:44,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:44,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310301068] [2022-01-18 08:38:44,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310301068] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:44,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:44,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-18 08:38:44,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919590534] [2022-01-18 08:38:44,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:44,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 08:38:44,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:44,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 08:38:44,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-01-18 08:38:44,574 INFO L87 Difference]: Start difference. First operand 35230 states and 105564 transitions. Second operand has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:46,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:46,417 INFO L93 Difference]: Finished difference Result 96152 states and 288208 transitions. [2022-01-18 08:38:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 08:38:46,418 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-18 08:38:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:46,663 INFO L225 Difference]: With dead ends: 96152 [2022-01-18 08:38:46,663 INFO L226 Difference]: Without dead ends: 95752 [2022-01-18 08:38:46,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=291, Invalid=899, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:38:46,664 INFO L933 BasicCegarLoop]: 638 mSDtfsCounter, 1482 mSDsluCounter, 4328 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 4899 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:46,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1482 Valid, 4899 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 08:38:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95752 states. [2022-01-18 08:38:47,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95752 to 53895. [2022-01-18 08:38:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53895 states, 53890 states have (on average 3.018073854147337) internal successors, (162644), 53894 states have internal predecessors, (162644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53895 states to 53895 states and 162644 transitions. [2022-01-18 08:38:48,171 INFO L78 Accepts]: Start accepts. Automaton has 53895 states and 162644 transitions. Word has length 81 [2022-01-18 08:38:48,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:48,171 INFO L470 AbstractCegarLoop]: Abstraction has 53895 states and 162644 transitions. [2022-01-18 08:38:48,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 53895 states and 162644 transitions. [2022-01-18 08:38:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-01-18 08:38:48,195 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:48,195 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:48,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 08:38:48,195 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:48,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:48,196 INFO L85 PathProgramCache]: Analyzing trace with hash -307438448, now seen corresponding path program 1 times [2022-01-18 08:38:48,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:48,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121711071] [2022-01-18 08:38:48,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:48,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-18 08:38:48,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:48,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121711071] [2022-01-18 08:38:48,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121711071] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:48,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775403666] [2022-01-18 08:38:48,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:48,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:48,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:48,382 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:48,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-18 08:38:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:48,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 08:38:48,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:48,619 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:38:48,619 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:38:48,785 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:38:48,785 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:38:49,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:38:49,012 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2022-01-18 08:38:49,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2022-01-18 08:38:49,021 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-01-18 08:38:49,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:38:49,047 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:38:49,060 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:38:49,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:38:49,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:38:49,206 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:38:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:49,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:38:49,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775403666] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:49,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:38:49,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2022-01-18 08:38:49,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487942638] [2022-01-18 08:38:49,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:49,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:38:49,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:49,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:38:49,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2022-01-18 08:38:49,213 INFO L87 Difference]: Start difference. First operand 53895 states and 162644 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:49,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:49,946 INFO L93 Difference]: Finished difference Result 90709 states and 277019 transitions. [2022-01-18 08:38:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 08:38:49,946 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 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) Word has length 82 [2022-01-18 08:38:49,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:50,222 INFO L225 Difference]: With dead ends: 90709 [2022-01-18 08:38:50,222 INFO L226 Difference]: Without dead ends: 90613 [2022-01-18 08:38:50,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-01-18 08:38:50,223 INFO L933 BasicCegarLoop]: 470 mSDtfsCounter, 423 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 2388 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 205 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:50,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 2388 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 205 Unchecked, 0.1s Time] [2022-01-18 08:38:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90613 states. [2022-01-18 08:38:51,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90613 to 78732. [2022-01-18 08:38:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78732 states, 78727 states have (on average 3.056702274950144) internal successors, (240645), 78731 states have internal predecessors, (240645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78732 states to 78732 states and 240645 transitions. [2022-01-18 08:38:52,199 INFO L78 Accepts]: Start accepts. Automaton has 78732 states and 240645 transitions. Word has length 82 [2022-01-18 08:38:52,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:52,199 INFO L470 AbstractCegarLoop]: Abstraction has 78732 states and 240645 transitions. [2022-01-18 08:38:52,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 78732 states and 240645 transitions. [2022-01-18 08:38:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-01-18 08:38:52,225 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:52,225 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:52,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-18 08:38:52,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-01-18 08:38:52,426 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:52,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:52,426 INFO L85 PathProgramCache]: Analyzing trace with hash -710262067, now seen corresponding path program 1 times [2022-01-18 08:38:52,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:52,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902425466] [2022-01-18 08:38:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:52,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:38:52,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:52,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902425466] [2022-01-18 08:38:52,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902425466] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:38:52,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504632009] [2022-01-18 08:38:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:52,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:38:52,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:38:52,724 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:38:52,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-18 08:38:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:52,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-18 08:38:52,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:38:52,911 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:38:52,911 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:38:53,106 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:38:53,163 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:38:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-18 08:38:53,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:38:53,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504632009] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:53,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:38:53,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2022-01-18 08:38:53,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193451480] [2022-01-18 08:38:53,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:53,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:38:53,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:53,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:38:53,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:38:53,179 INFO L87 Difference]: Start difference. First operand 78732 states and 240645 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:54,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:54,359 INFO L93 Difference]: Finished difference Result 85413 states and 259843 transitions. [2022-01-18 08:38:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 08:38:54,360 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 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) Word has length 83 [2022-01-18 08:38:54,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:54,585 INFO L225 Difference]: With dead ends: 85413 [2022-01-18 08:38:54,586 INFO L226 Difference]: Without dead ends: 85181 [2022-01-18 08:38:54,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=1026, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:38:54,587 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 960 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:54,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [960 Valid, 1567 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:38:54,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85181 states. [2022-01-18 08:38:55,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85181 to 77053. [2022-01-18 08:38:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77053 states, 77048 states have (on average 3.047775412729727) internal successors, (234825), 77052 states have internal predecessors, (234825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77053 states to 77053 states and 234825 transitions. [2022-01-18 08:38:56,275 INFO L78 Accepts]: Start accepts. Automaton has 77053 states and 234825 transitions. Word has length 83 [2022-01-18 08:38:56,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:56,275 INFO L470 AbstractCegarLoop]: Abstraction has 77053 states and 234825 transitions. [2022-01-18 08:38:56,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 77053 states and 234825 transitions. [2022-01-18 08:38:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-01-18 08:38:56,301 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:56,302 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:56,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-01-18 08:38:56,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-01-18 08:38:56,515 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:56,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:56,516 INFO L85 PathProgramCache]: Analyzing trace with hash -304628249, now seen corresponding path program 2 times [2022-01-18 08:38:56,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:56,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896537133] [2022-01-18 08:38:56,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:56,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:38:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-18 08:38:56,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:38:56,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896537133] [2022-01-18 08:38:56,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896537133] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:38:56,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:38:56,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 08:38:56,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698795491] [2022-01-18 08:38:56,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:38:56,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 08:38:56,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:38:56,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 08:38:56,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 08:38:56,552 INFO L87 Difference]: Start difference. First operand 77053 states and 234825 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:57,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:38:57,510 INFO L93 Difference]: Finished difference Result 86241 states and 260784 transitions. [2022-01-18 08:38:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 08:38:57,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) Word has length 84 [2022-01-18 08:38:57,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:38:57,698 INFO L225 Difference]: With dead ends: 86241 [2022-01-18 08:38:57,698 INFO L226 Difference]: Without dead ends: 85989 [2022-01-18 08:38:57,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:38:57,699 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 388 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:38:57,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [388 Valid, 1462 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:38:57,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85989 states. [2022-01-18 08:38:59,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85989 to 79169. [2022-01-18 08:38:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79169 states, 79164 states have (on average 3.044287807589308) internal successors, (240998), 79168 states have internal predecessors, (240998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79169 states to 79169 states and 240998 transitions. [2022-01-18 08:38:59,725 INFO L78 Accepts]: Start accepts. Automaton has 79169 states and 240998 transitions. Word has length 84 [2022-01-18 08:38:59,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:38:59,725 INFO L470 AbstractCegarLoop]: Abstraction has 79169 states and 240998 transitions. [2022-01-18 08:38:59,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:38:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 79169 states and 240998 transitions. [2022-01-18 08:38:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-18 08:38:59,826 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:38:59,832 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:38:59,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 08:38:59,833 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:38:59,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:38:59,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1166367177, now seen corresponding path program 1 times [2022-01-18 08:38:59,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:38:59,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365088437] [2022-01-18 08:38:59,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:38:59,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:38:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-18 08:39:00,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:00,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365088437] [2022-01-18 08:39:00,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365088437] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:00,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966833475] [2022-01-18 08:39:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:00,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:00,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:00,122 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:00,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-18 08:39:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:00,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-18 08:39:00,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:00,309 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:39:00,309 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:39:00,359 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:39:00,637 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-01-18 08:39:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-18 08:39:00,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:39:00,813 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_420 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_420) |c_~#max~0.base|) |c_~#max~0.offset|) 2147483648))) is different from false [2022-01-18 08:39:00,948 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-01-18 08:39:00,965 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:39:00,965 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:39:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 3 not checked. [2022-01-18 08:39:00,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966833475] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:39:00,974 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:39:00,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 25 [2022-01-18 08:39:00,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110408246] [2022-01-18 08:39:00,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:39:00,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-18 08:39:00,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:00,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-18 08:39:00,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=458, Unknown=1, NotChecked=44, Total=600 [2022-01-18 08:39:00,977 INFO L87 Difference]: Start difference. First operand 79169 states and 240998 transitions. Second operand has 25 states, 25 states have (on average 7.92) internal successors, (198), 25 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:01,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:01,983 INFO L93 Difference]: Finished difference Result 153832 states and 460305 transitions. [2022-01-18 08:39:01,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 08:39:01,983 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.92) internal successors, (198), 25 states have internal predecessors, (198), 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) Word has length 87 [2022-01-18 08:39:01,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:02,858 INFO L225 Difference]: With dead ends: 153832 [2022-01-18 08:39:02,859 INFO L226 Difference]: Without dead ends: 153772 [2022-01-18 08:39:02,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=750, Unknown=1, NotChecked=58, Total=992 [2022-01-18 08:39:02,859 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 1650 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 3755 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 488 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:02,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1650 Valid, 3755 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 504 Invalid, 0 Unknown, 488 Unchecked, 0.2s Time] [2022-01-18 08:39:03,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153772 states. [2022-01-18 08:39:05,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153772 to 101300. [2022-01-18 08:39:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101300 states, 101295 states have (on average 3.05338861740461) internal successors, (309293), 101299 states have internal predecessors, (309293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101300 states to 101300 states and 309293 transitions. [2022-01-18 08:39:05,535 INFO L78 Accepts]: Start accepts. Automaton has 101300 states and 309293 transitions. Word has length 87 [2022-01-18 08:39:05,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:39:05,535 INFO L470 AbstractCegarLoop]: Abstraction has 101300 states and 309293 transitions. [2022-01-18 08:39:05,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.92) internal successors, (198), 25 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:05,536 INFO L276 IsEmpty]: Start isEmpty. Operand 101300 states and 309293 transitions. [2022-01-18 08:39:05,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-01-18 08:39:05,581 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:39:05,581 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:39:05,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-18 08:39:05,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-01-18 08:39:05,782 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:39:05,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:39:05,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1190279915, now seen corresponding path program 1 times [2022-01-18 08:39:05,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:39:05,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135922348] [2022-01-18 08:39:05,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:05,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:39:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-18 08:39:06,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:06,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135922348] [2022-01-18 08:39:06,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135922348] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:06,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268040214] [2022-01-18 08:39:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:06,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:06,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:06,034 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:06,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-18 08:39:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:06,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 52 conjunts are in the unsatisfiable core [2022-01-18 08:39:06,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:06,269 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:39:06,269 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:39:06,442 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:39:06,442 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:39:06,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:39:06,744 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-18 08:39:06,748 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:39:06,751 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-01-18 08:39:06,901 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:39:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-18 08:39:06,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:39:07,286 INFO L353 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-01-18 08:39:07,287 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 54 treesize of output 49 [2022-01-18 08:39:07,292 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:07,293 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:39:07,301 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:07,301 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2022-01-18 08:39:07,304 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2022-01-18 08:39:07,311 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:07,311 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-01-18 08:39:07,319 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:07,319 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2022-01-18 08:39:07,769 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:39:07,770 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:39:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-18 08:39:07,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268040214] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:39:07,797 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:39:07,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34 [2022-01-18 08:39:07,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317905903] [2022-01-18 08:39:07,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:39:07,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-01-18 08:39:07,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:07,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-01-18 08:39:07,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=962, Unknown=8, NotChecked=0, Total=1122 [2022-01-18 08:39:07,800 INFO L87 Difference]: Start difference. First operand 101300 states and 309293 transitions. Second operand has 34 states, 34 states have (on average 6.117647058823529) internal successors, (208), 34 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:12,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:12,870 INFO L93 Difference]: Finished difference Result 213328 states and 642924 transitions. [2022-01-18 08:39:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-18 08:39:12,870 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 6.117647058823529) internal successors, (208), 34 states have internal predecessors, (208), 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) Word has length 88 [2022-01-18 08:39:12,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:13,515 INFO L225 Difference]: With dead ends: 213328 [2022-01-18 08:39:13,515 INFO L226 Difference]: Without dead ends: 213012 [2022-01-18 08:39:13,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 161 SyntacticMatches, 5 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2344 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1296, Invalid=6508, Unknown=28, NotChecked=0, Total=7832 [2022-01-18 08:39:13,517 INFO L933 BasicCegarLoop]: 651 mSDtfsCounter, 4832 mSDsluCounter, 13080 mSDsCounter, 0 mSdLazyCounter, 2012 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4832 SdHoareTripleChecker+Valid, 13515 SdHoareTripleChecker+Invalid, 3495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 2012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1332 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:13,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4832 Valid, 13515 Invalid, 3495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 2012 Invalid, 0 Unknown, 1332 Unchecked, 1.0s Time] [2022-01-18 08:39:13,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213012 states. [2022-01-18 08:39:16,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213012 to 136010. [2022-01-18 08:39:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136010 states, 136005 states have (on average 3.0695121502885923) internal successors, (417469), 136009 states have internal predecessors, (417469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136010 states to 136010 states and 417469 transitions. [2022-01-18 08:39:17,486 INFO L78 Accepts]: Start accepts. Automaton has 136010 states and 417469 transitions. Word has length 88 [2022-01-18 08:39:17,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:39:17,486 INFO L470 AbstractCegarLoop]: Abstraction has 136010 states and 417469 transitions. [2022-01-18 08:39:17,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.117647058823529) internal successors, (208), 34 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 136010 states and 417469 transitions. [2022-01-18 08:39:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-01-18 08:39:17,541 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:39:17,541 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:39:17,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-18 08:39:17,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-01-18 08:39:17,742 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:39:17,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:39:17,743 INFO L85 PathProgramCache]: Analyzing trace with hash 700177949, now seen corresponding path program 1 times [2022-01-18 08:39:17,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:39:17,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121606846] [2022-01-18 08:39:17,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:17,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:39:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-18 08:39:17,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:17,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121606846] [2022-01-18 08:39:17,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121606846] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:17,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389407522] [2022-01-18 08:39:17,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:17,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:17,946 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:17,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-18 08:39:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:18,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 49 conjunts are in the unsatisfiable core [2022-01-18 08:39:18,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:18,150 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:39:18,151 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:39:19,034 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:39:19,034 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:39:19,317 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-01-18 08:39:19,319 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:39:19,343 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:39:19,375 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:39:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-18 08:39:19,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:39:19,400 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_499 (Array Int Int))) (<= |c_thr1Thread1of2ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_499) |c_~#max~0.base|) |c_~#max~0.offset|))) is different from false [2022-01-18 08:39:19,534 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:19,534 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2022-01-18 08:39:19,536 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 110 [2022-01-18 08:39:19,539 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2022-01-18 08:39:19,541 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2022-01-18 08:39:20,346 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:39:20,347 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:39:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 1 not checked. [2022-01-18 08:39:20,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389407522] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:39:20,369 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:39:20,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 29 [2022-01-18 08:39:20,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547447794] [2022-01-18 08:39:20,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:39:20,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-18 08:39:20,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:20,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-18 08:39:20,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=627, Unknown=6, NotChecked=52, Total=812 [2022-01-18 08:39:20,371 INFO L87 Difference]: Start difference. First operand 136010 states and 417469 transitions. Second operand has 29 states, 29 states have (on average 7.206896551724138) internal successors, (209), 29 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:25,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:25,445 INFO L93 Difference]: Finished difference Result 204924 states and 625138 transitions. [2022-01-18 08:39:25,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-01-18 08:39:25,445 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 7.206896551724138) internal successors, (209), 29 states have internal predecessors, (209), 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) Word has length 88 [2022-01-18 08:39:25,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:26,282 INFO L225 Difference]: With dead ends: 204924 [2022-01-18 08:39:26,282 INFO L226 Difference]: Without dead ends: 184558 [2022-01-18 08:39:26,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 177 SyntacticMatches, 24 SemanticMatches, 105 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4788 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2379, Invalid=8749, Unknown=6, NotChecked=208, Total=11342 [2022-01-18 08:39:26,285 INFO L933 BasicCegarLoop]: 1239 mSDtfsCounter, 2883 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 10128 SdHoareTripleChecker+Invalid, 4536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2479 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:26,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2883 Valid, 10128 Invalid, 4536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1900 Invalid, 0 Unknown, 2479 Unchecked, 1.0s Time] [2022-01-18 08:39:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184558 states. [2022-01-18 08:39:28,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184558 to 52136. [2022-01-18 08:39:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52136 states, 52132 states have (on average 2.9750249366991484) internal successors, (155094), 52135 states have internal predecessors, (155094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52136 states to 52136 states and 155094 transitions. [2022-01-18 08:39:28,331 INFO L78 Accepts]: Start accepts. Automaton has 52136 states and 155094 transitions. Word has length 88 [2022-01-18 08:39:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:39:28,332 INFO L470 AbstractCegarLoop]: Abstraction has 52136 states and 155094 transitions. [2022-01-18 08:39:28,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.206896551724138) internal successors, (209), 29 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 52136 states and 155094 transitions. [2022-01-18 08:39:28,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-01-18 08:39:28,354 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:39:28,354 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:39:28,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-01-18 08:39:28,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-01-18 08:39:28,559 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:39:28,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:39:28,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1457947091, now seen corresponding path program 1 times [2022-01-18 08:39:28,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:39:28,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025829514] [2022-01-18 08:39:28,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:28,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:39:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-18 08:39:28,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:28,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025829514] [2022-01-18 08:39:28,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025829514] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:28,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712344532] [2022-01-18 08:39:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:28,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:28,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:28,764 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:28,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-18 08:39:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:28,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 52 conjunts are in the unsatisfiable core [2022-01-18 08:39:28,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:28,949 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:39:28,950 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:39:29,111 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:39:29,111 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:39:29,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:39:29,391 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-18 08:39:29,394 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:39:29,396 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-01-18 08:39:29,512 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:39:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-18 08:39:29,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:39:29,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712344532] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:39:29,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:39:29,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 24 [2022-01-18 08:39:29,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910629076] [2022-01-18 08:39:29,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:39:29,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 08:39:29,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:29,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 08:39:29,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:39:29,536 INFO L87 Difference]: Start difference. First operand 52136 states and 155094 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:30,581 INFO L93 Difference]: Finished difference Result 91646 states and 271729 transitions. [2022-01-18 08:39:30,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 08:39:30,582 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-01-18 08:39:30,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:30,776 INFO L225 Difference]: With dead ends: 91646 [2022-01-18 08:39:30,776 INFO L226 Difference]: Without dead ends: 91214 [2022-01-18 08:39:30,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2022-01-18 08:39:30,777 INFO L933 BasicCegarLoop]: 499 mSDtfsCounter, 1028 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 3191 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 271 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:30,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1028 Valid, 3191 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 362 Invalid, 0 Unknown, 271 Unchecked, 0.2s Time] [2022-01-18 08:39:30,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91214 states. [2022-01-18 08:39:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91214 to 69492. [2022-01-18 08:39:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69492 states, 69488 states have (on average 3.004734630439788) internal successors, (208793), 69491 states have internal predecessors, (208793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:32,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69492 states to 69492 states and 208793 transitions. [2022-01-18 08:39:32,351 INFO L78 Accepts]: Start accepts. Automaton has 69492 states and 208793 transitions. Word has length 88 [2022-01-18 08:39:32,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:39:32,351 INFO L470 AbstractCegarLoop]: Abstraction has 69492 states and 208793 transitions. [2022-01-18 08:39:32,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:32,351 INFO L276 IsEmpty]: Start isEmpty. Operand 69492 states and 208793 transitions. [2022-01-18 08:39:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-01-18 08:39:32,378 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:39:32,378 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:39:32,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-18 08:39:32,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-01-18 08:39:32,578 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:39:32,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:39:32,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1249461532, now seen corresponding path program 1 times [2022-01-18 08:39:32,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:39:32,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728841101] [2022-01-18 08:39:32,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:32,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:39:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-18 08:39:32,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:32,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728841101] [2022-01-18 08:39:32,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728841101] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:32,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674439227] [2022-01-18 08:39:32,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:32,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:32,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:32,817 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:32,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-18 08:39:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:32,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 50 conjunts are in the unsatisfiable core [2022-01-18 08:39:32,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:33,020 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:39:33,020 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:39:33,163 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:39:33,163 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:39:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:39:33,793 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-18 08:39:33,805 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:39:33,808 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-01-18 08:39:33,914 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:39:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-18 08:39:33,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:39:33,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674439227] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:39:33,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:39:33,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 20 [2022-01-18 08:39:33,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109494152] [2022-01-18 08:39:33,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:39:33,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 08:39:33,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:33,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 08:39:33,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2022-01-18 08:39:33,919 INFO L87 Difference]: Start difference. First operand 69492 states and 208793 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:34,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:34,587 INFO L93 Difference]: Finished difference Result 84384 states and 251304 transitions. [2022-01-18 08:39:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 08:39:34,588 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 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) Word has length 89 [2022-01-18 08:39:34,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:34,767 INFO L225 Difference]: With dead ends: 84384 [2022-01-18 08:39:34,767 INFO L226 Difference]: Without dead ends: 83920 [2022-01-18 08:39:34,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=721, Unknown=0, NotChecked=0, Total=930 [2022-01-18 08:39:34,768 INFO L933 BasicCegarLoop]: 459 mSDtfsCounter, 972 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 2908 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 381 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:34,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [972 Valid, 2908 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 365 Invalid, 0 Unknown, 381 Unchecked, 0.2s Time] [2022-01-18 08:39:34,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83920 states. [2022-01-18 08:39:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83920 to 57188. [2022-01-18 08:39:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57188 states, 57184 states have (on average 2.985537912702854) internal successors, (170725), 57187 states have internal predecessors, (170725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57188 states to 57188 states and 170725 transitions. [2022-01-18 08:39:36,249 INFO L78 Accepts]: Start accepts. Automaton has 57188 states and 170725 transitions. Word has length 89 [2022-01-18 08:39:36,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:39:36,249 INFO L470 AbstractCegarLoop]: Abstraction has 57188 states and 170725 transitions. [2022-01-18 08:39:36,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 57188 states and 170725 transitions. [2022-01-18 08:39:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-01-18 08:39:36,276 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:39:36,277 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:39:36,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-01-18 08:39:36,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:36,485 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:39:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:39:36,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2028954524, now seen corresponding path program 3 times [2022-01-18 08:39:36,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:39:36,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388474586] [2022-01-18 08:39:36,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:36,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:39:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-18 08:39:36,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:36,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388474586] [2022-01-18 08:39:36,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388474586] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:36,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129232551] [2022-01-18 08:39:36,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 08:39:36,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:36,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:36,808 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:36,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-18 08:39:36,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-18 08:39:36,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:39:36,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-18 08:39:36,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:37,005 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:39:37,006 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:39:37,289 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:39:37,355 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:39:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:39:37,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:39:37,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129232551] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:39:37,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:39:37,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2022-01-18 08:39:37,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329661322] [2022-01-18 08:39:37,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:39:37,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:39:37,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:37,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:39:37,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:39:37,370 INFO L87 Difference]: Start difference. First operand 57188 states and 170725 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:38,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:38,307 INFO L93 Difference]: Finished difference Result 62114 states and 183940 transitions. [2022-01-18 08:39:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 08:39:38,307 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-01-18 08:39:38,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:38,437 INFO L225 Difference]: With dead ends: 62114 [2022-01-18 08:39:38,437 INFO L226 Difference]: Without dead ends: 61766 [2022-01-18 08:39:38,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=1025, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:39:38,438 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 954 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 954 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:38,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [954 Valid, 1810 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:39:38,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61766 states. [2022-01-18 08:39:39,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61766 to 56798. [2022-01-18 08:39:39,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56798 states, 56794 states have (on average 2.982885516075642) internal successors, (169410), 56797 states have internal predecessors, (169410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56798 states to 56798 states and 169410 transitions. [2022-01-18 08:39:39,743 INFO L78 Accepts]: Start accepts. Automaton has 56798 states and 169410 transitions. Word has length 90 [2022-01-18 08:39:39,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:39:39,743 INFO L470 AbstractCegarLoop]: Abstraction has 56798 states and 169410 transitions. [2022-01-18 08:39:39,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 56798 states and 169410 transitions. [2022-01-18 08:39:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-01-18 08:39:39,773 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:39:39,773 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:39:39,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-01-18 08:39:39,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:39,974 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:39:39,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:39:39,974 INFO L85 PathProgramCache]: Analyzing trace with hash -271761054, now seen corresponding path program 2 times [2022-01-18 08:39:39,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:39:39,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641493418] [2022-01-18 08:39:39,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:39,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:39:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-18 08:39:40,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:40,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641493418] [2022-01-18 08:39:40,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641493418] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:40,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100362649] [2022-01-18 08:39:40,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:39:40,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:40,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:40,302 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:40,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-18 08:39:40,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 08:39:40,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:39:40,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 08:39:40,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:40,534 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:39:40,535 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:39:40,702 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:39:40,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:39:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:39:40,895 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2022-01-18 08:39:40,898 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2022-01-18 08:39:40,902 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-01-18 08:39:40,932 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:39:40,935 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:39:40,944 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:39:40,947 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:39:40,956 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:39:41,091 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:39:41,107 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:39:41,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:39:41,195 INFO L353 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2022-01-18 08:39:41,196 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 78 treesize of output 71 [2022-01-18 08:39:41,220 INFO L353 Elim1Store]: treesize reduction 22, result has 68.1 percent of original size [2022-01-18 08:39:41,220 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 88 [2022-01-18 08:39:41,226 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:41,226 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 45 [2022-01-18 08:39:41,241 INFO L353 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2022-01-18 08:39:41,242 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 58 [2022-01-18 08:39:41,254 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-01-18 08:39:41,279 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:41,279 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 08:39:41,286 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-01-18 08:39:41,289 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-01-18 08:39:41,470 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:39:41,470 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:39:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:39:41,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100362649] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:39:41,494 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:39:41,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9, 9] total 30 [2022-01-18 08:39:41,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114945031] [2022-01-18 08:39:41,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:39:41,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-18 08:39:41,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:41,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-18 08:39:41,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2022-01-18 08:39:41,496 INFO L87 Difference]: Start difference. First operand 56798 states and 169410 transitions. Second operand has 30 states, 30 states have (on average 7.166666666666667) internal successors, (215), 30 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:45,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:45,981 INFO L93 Difference]: Finished difference Result 121584 states and 354788 transitions. [2022-01-18 08:39:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-01-18 08:39:45,981 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 7.166666666666667) internal successors, (215), 30 states have internal predecessors, (215), 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) Word has length 94 [2022-01-18 08:39:45,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:46,244 INFO L225 Difference]: With dead ends: 121584 [2022-01-18 08:39:46,245 INFO L226 Difference]: Without dead ends: 117760 [2022-01-18 08:39:46,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 181 SyntacticMatches, 5 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4566 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2143, Invalid=11429, Unknown=0, NotChecked=0, Total=13572 [2022-01-18 08:39:46,248 INFO L933 BasicCegarLoop]: 804 mSDtfsCounter, 5370 mSDsluCounter, 11801 mSDsCounter, 0 mSdLazyCounter, 1961 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5370 SdHoareTripleChecker+Valid, 12593 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 1961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1151 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:46,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5370 Valid, 12593 Invalid, 3387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1961 Invalid, 0 Unknown, 1151 Unchecked, 1.0s Time] [2022-01-18 08:39:46,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117760 states. [2022-01-18 08:39:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117760 to 78541. [2022-01-18 08:39:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78541 states, 78537 states have (on average 2.9962565415027314) internal successors, (235317), 78540 states have internal predecessors, (235317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78541 states to 78541 states and 235317 transitions. [2022-01-18 08:39:48,369 INFO L78 Accepts]: Start accepts. Automaton has 78541 states and 235317 transitions. Word has length 94 [2022-01-18 08:39:48,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:39:48,369 INFO L470 AbstractCegarLoop]: Abstraction has 78541 states and 235317 transitions. [2022-01-18 08:39:48,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.166666666666667) internal successors, (215), 30 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:48,369 INFO L276 IsEmpty]: Start isEmpty. Operand 78541 states and 235317 transitions. [2022-01-18 08:39:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-18 08:39:48,411 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:39:48,411 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:39:48,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-01-18 08:39:48,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:48,612 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:39:48,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:39:48,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1602488495, now seen corresponding path program 2 times [2022-01-18 08:39:48,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:39:48,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900105560] [2022-01-18 08:39:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:48,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:39:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-01-18 08:39:48,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:48,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900105560] [2022-01-18 08:39:48,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900105560] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:48,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085912460] [2022-01-18 08:39:48,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:39:48,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:48,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:48,811 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:48,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-01-18 08:39:48,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 08:39:48,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:39:48,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 51 conjunts are in the unsatisfiable core [2022-01-18 08:39:48,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:48,995 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:39:48,995 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:39:49,238 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:39:49,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:39:49,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:39:49,522 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-18 08:39:49,526 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:39:49,528 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-01-18 08:39:49,574 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 08:39:49,574 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 30 [2022-01-18 08:39:49,581 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:39:49,687 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-01-18 08:39:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:39:49,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:39:49,748 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_686 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_686))) (or (<= |c_thr1Thread2of2ForFork0_findMax_~my_max~0#1| (select (select .cse0 |c_~#max~0.base|) |c_~#max~0.offset|)) (= 0 (select (select .cse0 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|))))) is different from false [2022-01-18 08:39:49,831 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_thr1Thread2of2ForFork0_findMax_~c~0#1| (select (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset|)))) (and (or .cse0 (forall ((v_ArrVal_682 (Array Int Int)) (v_ArrVal_686 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| v_ArrVal_682) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_686) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0))) (or (not .cse0) (forall ((v_ArrVal_681 Int) (v_ArrVal_684 (Array Int Int)) (v_ArrVal_686 (Array Int Int))) (let ((.cse1 (store (store (store |c_#memory_int| |c_~#max~0.base| (store (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset| v_ArrVal_681)) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| (store (select (store |c_#memory_int| |c_~#max~0.base| v_ArrVal_684) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_686))) (or (= (select (select .cse1 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0) (<= v_ArrVal_681 (select (select .cse1 |c_~#max~0.base|) |c_~#max~0.offset|)))))))) is different from false [2022-01-18 08:39:49,874 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_thr1Thread2of2ForFork0_findMax_#t~mem6#1| (select (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset|)))) (and (or (not .cse0) (forall ((v_ArrVal_681 Int) (v_ArrVal_684 (Array Int Int)) (v_ArrVal_686 (Array Int Int))) (let ((.cse1 (store (store (store |c_#memory_int| |c_~#max~0.base| (store (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset| v_ArrVal_681)) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| (store (select (store |c_#memory_int| |c_~#max~0.base| v_ArrVal_684) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_686))) (or (= (select (select .cse1 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0) (<= v_ArrVal_681 (select (select .cse1 |c_~#max~0.base|) |c_~#max~0.offset|)))))) (or .cse0 (forall ((v_ArrVal_682 (Array Int Int)) (v_ArrVal_686 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| v_ArrVal_682) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_686) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0))))) is different from false [2022-01-18 08:39:49,899 INFO L353 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2022-01-18 08:39:49,899 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 119 treesize of output 111 [2022-01-18 08:39:49,904 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:49,904 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2022-01-18 08:39:49,911 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:49,912 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 236 treesize of output 234 [2022-01-18 08:39:49,923 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:49,923 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 180 treesize of output 172 [2022-01-18 08:39:49,931 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:49,931 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 115 [2022-01-18 08:39:51,290 INFO L353 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-01-18 08:39:51,290 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2022-01-18 08:39:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 2 not checked. [2022-01-18 08:39:51,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085912460] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:39:51,307 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:39:51,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 33 [2022-01-18 08:39:51,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777312458] [2022-01-18 08:39:51,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:39:51,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-01-18 08:39:51,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:51,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-01-18 08:39:51,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=728, Unknown=3, NotChecked=174, Total=1056 [2022-01-18 08:39:51,309 INFO L87 Difference]: Start difference. First operand 78541 states and 235317 transitions. Second operand has 33 states, 33 states have (on average 6.424242424242424) internal successors, (212), 33 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:52,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:52,996 INFO L93 Difference]: Finished difference Result 110172 states and 326779 transitions. [2022-01-18 08:39:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 08:39:52,997 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 6.424242424242424) internal successors, (212), 33 states have internal predecessors, (212), 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) Word has length 95 [2022-01-18 08:39:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:53,257 INFO L225 Difference]: With dead ends: 110172 [2022-01-18 08:39:53,257 INFO L226 Difference]: Without dead ends: 109544 [2022-01-18 08:39:53,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 3 IntricatePredicates, 3 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=500, Invalid=2259, Unknown=9, NotChecked=312, Total=3080 [2022-01-18 08:39:53,258 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 2654 mSDsluCounter, 7142 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2654 SdHoareTripleChecker+Valid, 7855 SdHoareTripleChecker+Invalid, 3449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2577 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:53,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2654 Valid, 7855 Invalid, 3449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 823 Invalid, 0 Unknown, 2577 Unchecked, 0.3s Time] [2022-01-18 08:39:53,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109544 states. [2022-01-18 08:39:55,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109544 to 88348. [2022-01-18 08:39:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88348 states, 88344 states have (on average 3.016073530743457) internal successors, (266452), 88347 states have internal predecessors, (266452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88348 states to 88348 states and 266452 transitions. [2022-01-18 08:39:55,524 INFO L78 Accepts]: Start accepts. Automaton has 88348 states and 266452 transitions. Word has length 95 [2022-01-18 08:39:55,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:39:55,524 INFO L470 AbstractCegarLoop]: Abstraction has 88348 states and 266452 transitions. [2022-01-18 08:39:55,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.424242424242424) internal successors, (212), 33 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 88348 states and 266452 transitions. [2022-01-18 08:39:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-18 08:39:55,565 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:39:55,566 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:39:55,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-01-18 08:39:55,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:55,766 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:39:55,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:39:55,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1505359679, now seen corresponding path program 3 times [2022-01-18 08:39:55,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:39:55,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467481210] [2022-01-18 08:39:55,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:39:55,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:39:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:39:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-01-18 08:39:55,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:39:55,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467481210] [2022-01-18 08:39:55,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467481210] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:39:55,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611105068] [2022-01-18 08:39:55,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 08:39:55,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:39:55,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:39:55,974 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:39:55,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-01-18 08:39:56,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-18 08:39:56,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:39:56,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 41 conjunts are in the unsatisfiable core [2022-01-18 08:39:56,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:39:56,162 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:39:56,162 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:39:56,469 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-18 08:39:56,470 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 08:39:56,749 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-01-18 08:39:56,752 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:39:56,782 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 08:39:56,810 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:39:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:39:56,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:39:56,833 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_728 (Array Int Int))) (<= |c_thr1Thread2of2ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_728) |c_~#max~0.base|) |c_~#max~0.offset|))) is different from false [2022-01-18 08:39:56,868 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thr1Thread2of2ForFork0_findMax_~c~0#1| (select (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset|)) (forall ((v_ArrVal_728 (Array Int Int)) (v_ArrVal_727 (Array Int Int)) (v_ArrVal_726 Int)) (<= v_ArrVal_726 (select (select (store (store (store |c_#memory_int| |c_~#max~0.base| (store (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset| v_ArrVal_726)) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| v_ArrVal_727) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_728) |c_~#max~0.base|) |c_~#max~0.offset|)))) is different from false [2022-01-18 08:39:56,885 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thr1Thread2of2ForFork0_findMax_#t~mem6#1| (select (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset|)) (forall ((v_ArrVal_728 (Array Int Int)) (v_ArrVal_727 (Array Int Int)) (v_ArrVal_726 Int)) (<= v_ArrVal_726 (select (select (store (store (store |c_#memory_int| |c_~#max~0.base| (store (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset| v_ArrVal_726)) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| v_ArrVal_727) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_728) |c_~#max~0.base|) |c_~#max~0.offset|)))) is different from false [2022-01-18 08:39:56,891 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:39:56,891 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2022-01-18 08:39:56,894 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 98 [2022-01-18 08:39:56,896 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2022-01-18 08:39:56,898 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2022-01-18 08:39:58,102 INFO L353 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-01-18 08:39:58,102 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2022-01-18 08:39:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 2 not checked. [2022-01-18 08:39:58,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611105068] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:39:58,117 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:39:58,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 29 [2022-01-18 08:39:58,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910855516] [2022-01-18 08:39:58,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:39:58,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-18 08:39:58,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:39:58,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-18 08:39:58,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=542, Unknown=3, NotChecked=150, Total=812 [2022-01-18 08:39:58,118 INFO L87 Difference]: Start difference. First operand 88348 states and 266452 transitions. Second operand has 29 states, 29 states have (on average 7.310344827586207) internal successors, (212), 29 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:39:59,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:39:59,543 INFO L93 Difference]: Finished difference Result 124543 states and 372150 transitions. [2022-01-18 08:39:59,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:39:59,544 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 7.310344827586207) internal successors, (212), 29 states have internal predecessors, (212), 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) Word has length 95 [2022-01-18 08:39:59,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:39:59,831 INFO L225 Difference]: With dead ends: 124543 [2022-01-18 08:39:59,831 INFO L226 Difference]: Without dead ends: 120327 [2022-01-18 08:39:59,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 176 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=382, Invalid=1427, Unknown=9, NotChecked=252, Total=2070 [2022-01-18 08:39:59,832 INFO L933 BasicCegarLoop]: 743 mSDtfsCounter, 1812 mSDsluCounter, 7930 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 8659 SdHoareTripleChecker+Invalid, 3039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1871 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:39:59,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1812 Valid, 8659 Invalid, 3039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1119 Invalid, 0 Unknown, 1871 Unchecked, 0.4s Time] [2022-01-18 08:39:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120327 states. [2022-01-18 08:40:01,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120327 to 94649. [2022-01-18 08:40:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94649 states, 94646 states have (on average 3.030154470342117) internal successors, (286792), 94648 states have internal predecessors, (286792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94649 states to 94649 states and 286792 transitions. [2022-01-18 08:40:02,273 INFO L78 Accepts]: Start accepts. Automaton has 94649 states and 286792 transitions. Word has length 95 [2022-01-18 08:40:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:40:02,274 INFO L470 AbstractCegarLoop]: Abstraction has 94649 states and 286792 transitions. [2022-01-18 08:40:02,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.310344827586207) internal successors, (212), 29 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 94649 states and 286792 transitions. [2022-01-18 08:40:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 08:40:02,369 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:40:02,369 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:40:02,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-01-18 08:40:02,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:02,570 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:40:02,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:40:02,570 INFO L85 PathProgramCache]: Analyzing trace with hash 681805868, now seen corresponding path program 1 times [2022-01-18 08:40:02,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:40:02,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038081591] [2022-01-18 08:40:02,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:02,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:40:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-01-18 08:40:02,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:40:02,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038081591] [2022-01-18 08:40:02,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038081591] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:40:02,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839174775] [2022-01-18 08:40:02,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:02,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:02,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:40:02,740 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:40:02,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-01-18 08:40:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:02,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 08:40:02,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:40:02,963 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:40:02,963 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:40:03,211 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:40:03,211 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:40:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:40:03,410 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2022-01-18 08:40:03,412 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2022-01-18 08:40:03,416 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-01-18 08:40:03,431 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:40:03,434 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:40:03,446 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:40:03,448 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:40:03,450 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:40:03,588 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:40:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:40:03,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:40:03,662 INFO L353 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2022-01-18 08:40:03,663 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 78 treesize of output 71 [2022-01-18 08:40:03,670 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:03,670 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2022-01-18 08:40:03,700 INFO L353 Elim1Store]: treesize reduction 22, result has 68.1 percent of original size [2022-01-18 08:40:03,701 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2022-01-18 08:40:03,722 INFO L353 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2022-01-18 08:40:03,722 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 58 [2022-01-18 08:40:03,728 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-01-18 08:40:03,760 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:03,760 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 08:40:03,768 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-01-18 08:40:03,771 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-01-18 08:40:04,482 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:40:04,483 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:40:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:40:04,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839174775] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:40:04,493 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:40:04,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2022-01-18 08:40:04,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998695427] [2022-01-18 08:40:04,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:40:04,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-01-18 08:40:04,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:40:04,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-01-18 08:40:04,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2022-01-18 08:40:04,494 INFO L87 Difference]: Start difference. First operand 94649 states and 286792 transitions. Second operand has 21 states, 21 states have (on average 12.80952380952381) internal successors, (269), 21 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:05,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:40:05,480 INFO L93 Difference]: Finished difference Result 133505 states and 406509 transitions. [2022-01-18 08:40:05,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 08:40:05,481 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 12.80952380952381) internal successors, (269), 21 states have internal predecessors, (269), 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) Word has length 114 [2022-01-18 08:40:05,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:40:05,812 INFO L225 Difference]: With dead ends: 133505 [2022-01-18 08:40:05,812 INFO L226 Difference]: Without dead ends: 133225 [2022-01-18 08:40:05,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 218 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=265, Invalid=791, Unknown=0, NotChecked=0, Total=1056 [2022-01-18 08:40:05,813 INFO L933 BasicCegarLoop]: 604 mSDtfsCounter, 1095 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 3689 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:40:05,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1095 Valid, 3689 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 549 Invalid, 0 Unknown, 39 Unchecked, 0.3s Time] [2022-01-18 08:40:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133225 states. [2022-01-18 08:40:08,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133225 to 98287. [2022-01-18 08:40:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98287 states, 98284 states have (on average 3.0410544951365432) internal successors, (298887), 98286 states have internal predecessors, (298887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98287 states to 98287 states and 298887 transitions. [2022-01-18 08:40:08,542 INFO L78 Accepts]: Start accepts. Automaton has 98287 states and 298887 transitions. Word has length 114 [2022-01-18 08:40:08,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:40:08,542 INFO L470 AbstractCegarLoop]: Abstraction has 98287 states and 298887 transitions. [2022-01-18 08:40:08,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 12.80952380952381) internal successors, (269), 21 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 98287 states and 298887 transitions. [2022-01-18 08:40:08,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 08:40:08,637 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:40:08,637 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:40:08,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-01-18 08:40:08,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:08,837 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:40:08,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:40:08,838 INFO L85 PathProgramCache]: Analyzing trace with hash -39110722, now seen corresponding path program 2 times [2022-01-18 08:40:08,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:40:08,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053335273] [2022-01-18 08:40:08,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:08,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:40:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-01-18 08:40:09,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:40:09,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053335273] [2022-01-18 08:40:09,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053335273] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:40:09,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100435736] [2022-01-18 08:40:09,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:40:09,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:09,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:40:09,060 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:40:09,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-01-18 08:40:09,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 08:40:09,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:40:09,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 55 conjunts are in the unsatisfiable core [2022-01-18 08:40:09,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:40:09,267 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:40:09,268 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:40:09,623 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:40:09,623 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:40:09,921 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-01-18 08:40:09,960 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 08:40:09,960 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 30 [2022-01-18 08:40:09,967 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:40:10,064 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-01-18 08:40:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:40:10,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:40:10,116 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_825 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_825))) (or (<= |c_thr1Thread2of2ForFork0_findMax_~my_max~0#1| (select (select .cse0 |c_~#max~0.base|) |c_~#max~0.offset|)) (= (select (select .cse0 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0)))) is different from false [2022-01-18 08:40:10,611 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_thr1Thread2of2ForFork0_findMax_~c~0#1| (select (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset|)))) (and (or .cse0 (forall ((v_ArrVal_822 (Array Int Int)) (v_ArrVal_825 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| v_ArrVal_822) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_825) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0))) (or (forall ((v_ArrVal_825 (Array Int Int)) (v_ArrVal_824 Int)) (let ((.cse1 (store (let ((.cse2 (store |c_#memory_int| |c_~#max~0.base| (store (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset| v_ArrVal_824)))) (store .cse2 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| (store (select .cse2 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| 1))) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_825))) (or (<= v_ArrVal_824 (select (select .cse1 |c_~#max~0.base|) |c_~#max~0.offset|)) (= (select (select .cse1 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0)))) (not .cse0)))) is different from false [2022-01-18 08:40:10,652 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_thr1Thread2of2ForFork0_findMax_#t~mem6#1| (select (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset|)))) (and (or .cse0 (forall ((v_ArrVal_822 (Array Int Int)) (v_ArrVal_825 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| v_ArrVal_822) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_825) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0))) (or (forall ((v_ArrVal_825 (Array Int Int)) (v_ArrVal_824 Int)) (let ((.cse1 (store (let ((.cse2 (store |c_#memory_int| |c_~#max~0.base| (store (select |c_#memory_int| |c_~#max~0.base|) |c_~#max~0.offset| v_ArrVal_824)))) (store .cse2 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base| (store (select .cse2 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset| 1))) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_825))) (or (<= v_ArrVal_824 (select (select .cse1 |c_~#max~0.base|) |c_~#max~0.offset|)) (= (select (select .cse1 |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0)))) (not .cse0)))) is different from false [2022-01-18 08:40:10,710 INFO L353 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2022-01-18 08:40:10,710 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 47 [2022-01-18 08:40:10,717 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:10,717 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 64 [2022-01-18 08:40:10,724 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:10,724 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2022-01-18 08:40:12,302 INFO L353 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-01-18 08:40:12,303 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2022-01-18 08:40:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 2 not checked. [2022-01-18 08:40:12,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100435736] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:40:12,324 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:40:12,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 33 [2022-01-18 08:40:12,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640259169] [2022-01-18 08:40:12,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:40:12,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-01-18 08:40:12,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:40:12,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-01-18 08:40:12,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=726, Unknown=3, NotChecked=174, Total=1056 [2022-01-18 08:40:12,325 INFO L87 Difference]: Start difference. First operand 98287 states and 298887 transitions. Second operand has 33 states, 33 states have (on average 8.151515151515152) internal successors, (269), 33 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:14,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:40:14,281 INFO L93 Difference]: Finished difference Result 134284 states and 406308 transitions. [2022-01-18 08:40:14,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:40:14,282 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 8.151515151515152) internal successors, (269), 33 states have internal predecessors, (269), 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) Word has length 114 [2022-01-18 08:40:14,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:40:14,610 INFO L225 Difference]: With dead ends: 134284 [2022-01-18 08:40:14,611 INFO L226 Difference]: Without dead ends: 134156 [2022-01-18 08:40:14,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 3 IntricatePredicates, 2 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=359, Invalid=1539, Unknown=6, NotChecked=258, Total=2162 [2022-01-18 08:40:14,611 INFO L933 BasicCegarLoop]: 673 mSDtfsCounter, 1865 mSDsluCounter, 7317 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 7979 SdHoareTripleChecker+Invalid, 3018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2401 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:40:14,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1865 Valid, 7979 Invalid, 3018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 598 Invalid, 0 Unknown, 2401 Unchecked, 0.2s Time] [2022-01-18 08:40:14,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134156 states. [2022-01-18 08:40:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134156 to 101366. [2022-01-18 08:40:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101366 states, 101363 states have (on average 3.044483687341535) internal successors, (308598), 101365 states have internal predecessors, (308598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101366 states to 101366 states and 308598 transitions. [2022-01-18 08:40:17,368 INFO L78 Accepts]: Start accepts. Automaton has 101366 states and 308598 transitions. Word has length 114 [2022-01-18 08:40:17,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:40:17,368 INFO L470 AbstractCegarLoop]: Abstraction has 101366 states and 308598 transitions. [2022-01-18 08:40:17,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.151515151515152) internal successors, (269), 33 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 101366 states and 308598 transitions. [2022-01-18 08:40:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 08:40:17,464 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:40:17,465 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:40:17,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-01-18 08:40:17,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-01-18 08:40:17,665 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:40:17,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:40:17,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1226229844, now seen corresponding path program 3 times [2022-01-18 08:40:17,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:40:17,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582413647] [2022-01-18 08:40:17,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:17,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:40:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-01-18 08:40:17,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:40:17,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582413647] [2022-01-18 08:40:17,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582413647] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:40:17,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931626151] [2022-01-18 08:40:17,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 08:40:17,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:17,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:40:17,904 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:40:17,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-01-18 08:40:18,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-18 08:40:18,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:40:18,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 50 conjunts are in the unsatisfiable core [2022-01-18 08:40:18,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:40:18,118 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:40:18,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:40:18,482 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:40:18,482 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:40:18,739 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-01-18 08:40:18,745 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 08:40:18,846 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 08:40:18,847 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-01-18 08:40:18,866 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-01-18 08:40:18,919 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:40:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:40:18,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:40:18,955 WARN L838 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of2ForFork0_findMax_#t~mem7#1| 0) (forall ((v_ArrVal_875 (Array Int Int))) (<= |c_thr1Thread2of2ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_875) |c_~#max~0.base|) |c_~#max~0.offset|)))) is different from false [2022-01-18 08:40:18,960 WARN L838 $PredicateComparison]: unable to prove that (or (= (select (select |c_#memory_int| |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0) (forall ((v_ArrVal_875 (Array Int Int))) (<= |c_thr1Thread2of2ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_875) |c_~#max~0.base|) |c_~#max~0.offset|)))) is different from false [2022-01-18 08:40:18,995 INFO L353 Elim1Store]: treesize reduction 30, result has 63.9 percent of original size [2022-01-18 08:40:18,995 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 71 [2022-01-18 08:40:19,022 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-01-18 08:40:19,040 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:19,040 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2022-01-18 08:40:19,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-01-18 08:40:20,412 INFO L353 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-01-18 08:40:20,412 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2022-01-18 08:40:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 2 not checked. [2022-01-18 08:40:20,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931626151] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:40:20,443 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:40:20,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 29 [2022-01-18 08:40:20,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416067187] [2022-01-18 08:40:20,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:40:20,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-18 08:40:20,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:40:20,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-18 08:40:20,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=587, Unknown=2, NotChecked=102, Total=812 [2022-01-18 08:40:20,445 INFO L87 Difference]: Start difference. First operand 101366 states and 308598 transitions. Second operand has 29 states, 29 states have (on average 9.275862068965518) internal successors, (269), 29 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:23,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:40:23,552 INFO L93 Difference]: Finished difference Result 152392 states and 460488 transitions. [2022-01-18 08:40:23,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 08:40:23,553 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.275862068965518) internal successors, (269), 29 states have internal predecessors, (269), 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) Word has length 114 [2022-01-18 08:40:23,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:40:24,270 INFO L225 Difference]: With dead ends: 152392 [2022-01-18 08:40:24,270 INFO L226 Difference]: Without dead ends: 151582 [2022-01-18 08:40:24,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 220 SyntacticMatches, 12 SemanticMatches, 80 ConstructedPredicates, 2 IntricatePredicates, 2 DeprecatedPredicates, 2219 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1226, Invalid=5100, Unknown=2, NotChecked=314, Total=6642 [2022-01-18 08:40:24,271 INFO L933 BasicCegarLoop]: 816 mSDtfsCounter, 2606 mSDsluCounter, 7844 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 8646 SdHoareTripleChecker+Invalid, 3113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1552 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 08:40:24,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2606 Valid, 8646 Invalid, 3113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1450 Invalid, 0 Unknown, 1552 Unchecked, 0.9s Time] [2022-01-18 08:40:24,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151582 states. [2022-01-18 08:40:26,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151582 to 97688. [2022-01-18 08:40:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97688 states, 97685 states have (on average 3.0453089010595282) internal successors, (297481), 97687 states have internal predecessors, (297481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97688 states to 97688 states and 297481 transitions. [2022-01-18 08:40:27,022 INFO L78 Accepts]: Start accepts. Automaton has 97688 states and 297481 transitions. Word has length 114 [2022-01-18 08:40:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:40:27,022 INFO L470 AbstractCegarLoop]: Abstraction has 97688 states and 297481 transitions. [2022-01-18 08:40:27,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.275862068965518) internal successors, (269), 29 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 97688 states and 297481 transitions. [2022-01-18 08:40:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 08:40:27,119 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:40:27,120 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:40:27,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-01-18 08:40:27,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-01-18 08:40:27,320 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:40:27,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:40:27,321 INFO L85 PathProgramCache]: Analyzing trace with hash 480815588, now seen corresponding path program 4 times [2022-01-18 08:40:27,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:40:27,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049068883] [2022-01-18 08:40:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:27,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:40:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-01-18 08:40:27,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:40:27,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049068883] [2022-01-18 08:40:27,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049068883] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:40:27,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964452198] [2022-01-18 08:40:27,563 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-18 08:40:27,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:27,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:40:27,564 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:40:27,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-01-18 08:40:27,660 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-18 08:40:27,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:40:27,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 61 conjunts are in the unsatisfiable core [2022-01-18 08:40:27,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:40:27,775 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:40:27,775 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:40:28,147 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:40:28,148 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:40:28,449 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-01-18 08:40:28,554 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 08:40:28,555 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 30 [2022-01-18 08:40:28,587 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 08:40:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:40:28,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:40:28,611 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_924 (Array Int Int))) (<= |c_thr1Thread2of2ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_924) |c_~#max~0.base|) |c_~#max~0.offset|))) is different from false [2022-01-18 08:40:28,617 WARN L838 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread2of2ForFork0_findMax_#t~mem7#1| 0) (forall ((v_ArrVal_924 (Array Int Int))) (<= |c_thr1Thread2of2ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_924) |c_~#max~0.base|) |c_~#max~0.offset|)))) is different from false [2022-01-18 08:40:28,624 WARN L838 $PredicateComparison]: unable to prove that (or (= (select (select |c_#memory_int| |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.base|) |c_thr1Thread2of2ForFork0_findMax_~#cret~0#1.offset|) 0) (forall ((v_ArrVal_924 (Array Int Int))) (<= |c_thr1Thread2of2ForFork0_findMax_~my_max~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_924) |c_~#max~0.base|) |c_~#max~0.offset|)))) is different from false [2022-01-18 08:40:28,820 INFO L353 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2022-01-18 08:40:28,821 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 37 [2022-01-18 08:40:28,825 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:28,825 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2022-01-18 08:40:28,828 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-01-18 08:40:30,175 INFO L353 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-01-18 08:40:30,175 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2022-01-18 08:40:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 2 not checked. [2022-01-18 08:40:30,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964452198] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:40:30,237 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:40:30,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 15] total 35 [2022-01-18 08:40:30,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675267301] [2022-01-18 08:40:30,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:40:30,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-18 08:40:30,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:40:30,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-18 08:40:30,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=815, Unknown=11, NotChecked=186, Total=1190 [2022-01-18 08:40:30,238 INFO L87 Difference]: Start difference. First operand 97688 states and 297481 transitions. Second operand has 35 states, 35 states have (on average 7.8) internal successors, (273), 35 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:36,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:40:36,327 INFO L93 Difference]: Finished difference Result 127457 states and 387839 transitions. [2022-01-18 08:40:36,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 08:40:36,327 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 7.8) internal successors, (273), 35 states have internal predecessors, (273), 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) Word has length 114 [2022-01-18 08:40:36,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:40:36,633 INFO L225 Difference]: With dead ends: 127457 [2022-01-18 08:40:36,633 INFO L226 Difference]: Without dead ends: 127079 [2022-01-18 08:40:36,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 216 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=881, Invalid=2780, Unknown=11, NotChecked=360, Total=4032 [2022-01-18 08:40:36,634 INFO L933 BasicCegarLoop]: 866 mSDtfsCounter, 2823 mSDsluCounter, 7742 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 8595 SdHoareTripleChecker+Invalid, 5467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4262 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 08:40:36,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2823 Valid, 8595 Invalid, 5467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1122 Invalid, 0 Unknown, 4262 Unchecked, 0.5s Time] [2022-01-18 08:40:36,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127079 states. [2022-01-18 08:40:38,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127079 to 97394. [2022-01-18 08:40:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97394 states, 97391 states have (on average 3.04643139509811) internal successors, (296695), 97393 states have internal predecessors, (296695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97394 states to 97394 states and 296695 transitions. [2022-01-18 08:40:39,133 INFO L78 Accepts]: Start accepts. Automaton has 97394 states and 296695 transitions. Word has length 114 [2022-01-18 08:40:39,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:40:39,133 INFO L470 AbstractCegarLoop]: Abstraction has 97394 states and 296695 transitions. [2022-01-18 08:40:39,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.8) internal successors, (273), 35 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 97394 states and 296695 transitions. [2022-01-18 08:40:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-01-18 08:40:39,249 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:40:39,249 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:40:39,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-01-18 08:40:39,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-01-18 08:40:39,450 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:40:39,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:40:39,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1198162316, now seen corresponding path program 1 times [2022-01-18 08:40:39,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:40:39,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488744569] [2022-01-18 08:40:39,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:39,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:40:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-01-18 08:40:39,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:40:39,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488744569] [2022-01-18 08:40:39,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488744569] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:40:39,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283654606] [2022-01-18 08:40:39,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:39,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:39,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:40:39,708 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:40:39,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-01-18 08:40:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:39,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 08:40:39,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:40:39,959 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:40:39,959 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:40:40,209 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:40:40,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:40:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 08:40:40,469 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2022-01-18 08:40:40,472 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2022-01-18 08:40:40,476 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-01-18 08:40:40,496 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:40:40,499 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:40:40,511 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-01-18 08:40:40,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:40:40,516 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:40:40,667 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:40:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-18 08:40:40,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:40:40,714 INFO L353 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2022-01-18 08:40:40,714 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 78 treesize of output 71 [2022-01-18 08:40:40,738 INFO L353 Elim1Store]: treesize reduction 22, result has 68.1 percent of original size [2022-01-18 08:40:40,738 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 88 [2022-01-18 08:40:40,743 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:40,743 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 45 [2022-01-18 08:40:40,760 INFO L353 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2022-01-18 08:40:40,760 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 58 [2022-01-18 08:40:41,176 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-01-18 08:40:41,228 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:41,229 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 08:40:41,237 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-01-18 08:40:41,241 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:40:41,241 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 12 [2022-01-18 08:40:41,590 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:40:41,590 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:40:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-18 08:40:41,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283654606] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:40:41,620 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:40:41,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9, 9] total 25 [2022-01-18 08:40:41,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583108680] [2022-01-18 08:40:41,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:40:41,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-18 08:40:41,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:40:41,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-18 08:40:41,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2022-01-18 08:40:41,622 INFO L87 Difference]: Start difference. First operand 97394 states and 296695 transitions. Second operand has 25 states, 25 states have (on average 11.2) internal successors, (280), 25 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:45,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:40:45,194 INFO L93 Difference]: Finished difference Result 154278 states and 463871 transitions. [2022-01-18 08:40:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-01-18 08:40:45,195 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 11.2) internal successors, (280), 25 states have internal predecessors, (280), 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) Word has length 123 [2022-01-18 08:40:45,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:40:45,564 INFO L225 Difference]: With dead ends: 154278 [2022-01-18 08:40:45,564 INFO L226 Difference]: Without dead ends: 152565 [2022-01-18 08:40:45,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2522 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1677, Invalid=5633, Unknown=0, NotChecked=0, Total=7310 [2022-01-18 08:40:45,564 INFO L933 BasicCegarLoop]: 910 mSDtfsCounter, 3078 mSDsluCounter, 10049 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3078 SdHoareTripleChecker+Valid, 10944 SdHoareTripleChecker+Invalid, 2097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 405 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 08:40:45,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3078 Valid, 10944 Invalid, 2097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1591 Invalid, 0 Unknown, 405 Unchecked, 0.7s Time] [2022-01-18 08:40:45,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152565 states. [2022-01-18 08:40:47,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152565 to 92076. [2022-01-18 08:40:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92076 states, 92073 states have (on average 3.0406633866605843) internal successors, (279963), 92075 states have internal predecessors, (279963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92076 states to 92076 states and 279963 transitions. [2022-01-18 08:40:48,302 INFO L78 Accepts]: Start accepts. Automaton has 92076 states and 279963 transitions. Word has length 123 [2022-01-18 08:40:48,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:40:48,302 INFO L470 AbstractCegarLoop]: Abstraction has 92076 states and 279963 transitions. [2022-01-18 08:40:48,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 11.2) internal successors, (280), 25 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 92076 states and 279963 transitions. [2022-01-18 08:40:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-01-18 08:40:48,414 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:40:48,414 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:40:48,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-01-18 08:40:48,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:48,615 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:40:48,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:40:48,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1629735974, now seen corresponding path program 2 times [2022-01-18 08:40:48,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:40:48,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046966042] [2022-01-18 08:40:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:48,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:40:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 08:40:48,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:40:48,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046966042] [2022-01-18 08:40:48,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046966042] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:40:48,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:40:48,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 08:40:48,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453369534] [2022-01-18 08:40:48,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:40:48,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 08:40:48,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:40:48,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 08:40:48,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 08:40:48,664 INFO L87 Difference]: Start difference. First operand 92076 states and 279963 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:49,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:40:49,213 INFO L93 Difference]: Finished difference Result 94902 states and 281130 transitions. [2022-01-18 08:40:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 08:40:49,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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) Word has length 123 [2022-01-18 08:40:49,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:40:49,436 INFO L225 Difference]: With dead ends: 94902 [2022-01-18 08:40:49,436 INFO L226 Difference]: Without dead ends: 92684 [2022-01-18 08:40:49,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-01-18 08:40:49,437 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 378 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:40:49,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [378 Valid, 1510 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 08:40:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92684 states. [2022-01-18 08:40:51,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92684 to 84772. [2022-01-18 08:40:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84772 states, 84768 states have (on average 2.996567100792752) internal successors, (254013), 84771 states have internal predecessors, (254013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84772 states to 84772 states and 254013 transitions. [2022-01-18 08:40:51,816 INFO L78 Accepts]: Start accepts. Automaton has 84772 states and 254013 transitions. Word has length 123 [2022-01-18 08:40:51,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:40:51,816 INFO L470 AbstractCegarLoop]: Abstraction has 84772 states and 254013 transitions. [2022-01-18 08:40:51,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 84772 states and 254013 transitions. [2022-01-18 08:40:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 08:40:51,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:40:51,926 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:40:51,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 08:40:51,926 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:40:51,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:40:51,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1675928226, now seen corresponding path program 1 times [2022-01-18 08:40:51,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:40:51,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70688929] [2022-01-18 08:40:51,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:51,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:40:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-01-18 08:40:52,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:40:52,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70688929] [2022-01-18 08:40:52,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70688929] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:40:52,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779853282] [2022-01-18 08:40:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:52,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:52,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:40:52,109 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:40:52,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-01-18 08:40:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:52,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 58 conjunts are in the unsatisfiable core [2022-01-18 08:40:52,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:40:52,339 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 08:40:52,340 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 08:40:52,587 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:40:52,587 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 08:40:52,882 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-01-18 08:40:53,043 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-18 08:40:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-18 08:40:53,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:40:53,633 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-18 08:40:53,633 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-18 08:40:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-18 08:40:53,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779853282] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:40:53,655 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:40:53,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 12] total 31 [2022-01-18 08:40:53,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414472849] [2022-01-18 08:40:53,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:40:53,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-01-18 08:40:53,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:40:53,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-01-18 08:40:53,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=756, Unknown=10, NotChecked=0, Total=930 [2022-01-18 08:40:53,657 INFO L87 Difference]: Start difference. First operand 84772 states and 254013 transitions. Second operand has 31 states, 31 states have (on average 9.67741935483871) internal successors, (300), 31 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:56,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:40:56,778 INFO L93 Difference]: Finished difference Result 135212 states and 400526 transitions. [2022-01-18 08:40:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-01-18 08:40:56,778 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 9.67741935483871) internal successors, (300), 31 states have internal predecessors, (300), 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) Word has length 126 [2022-01-18 08:40:56,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:40:57,091 INFO L225 Difference]: With dead ends: 135212 [2022-01-18 08:40:57,091 INFO L226 Difference]: Without dead ends: 134758 [2022-01-18 08:40:57,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 243 SyntacticMatches, 6 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2864 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2072, Invalid=6848, Unknown=10, NotChecked=0, Total=8930 [2022-01-18 08:40:57,092 INFO L933 BasicCegarLoop]: 1194 mSDtfsCounter, 2778 mSDsluCounter, 11800 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 12979 SdHoareTripleChecker+Invalid, 2819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 800 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 08:40:57,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2778 Valid, 12979 Invalid, 2819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1919 Invalid, 0 Unknown, 800 Unchecked, 0.8s Time] [2022-01-18 08:40:57,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134758 states. [2022-01-18 08:40:59,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134758 to 77082. [2022-01-18 08:40:59,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77082 states, 77078 states have (on average 3.0132982173901763) internal successors, (232259), 77081 states have internal predecessors, (232259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77082 states to 77082 states and 232259 transitions. [2022-01-18 08:40:59,334 INFO L78 Accepts]: Start accepts. Automaton has 77082 states and 232259 transitions. Word has length 126 [2022-01-18 08:40:59,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:40:59,334 INFO L470 AbstractCegarLoop]: Abstraction has 77082 states and 232259 transitions. [2022-01-18 08:40:59,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.67741935483871) internal successors, (300), 31 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:40:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 77082 states and 232259 transitions. [2022-01-18 08:40:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:40:59,435 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:40:59,435 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:40:59,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-01-18 08:40:59,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:40:59,636 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:40:59,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:40:59,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1689756241, now seen corresponding path program 1 times [2022-01-18 08:40:59,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:40:59,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972251528] [2022-01-18 08:40:59,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:40:59,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:40:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:40:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:40:59,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:40:59,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972251528] [2022-01-18 08:40:59,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972251528] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:40:59,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:40:59,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:40:59,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540277325] [2022-01-18 08:40:59,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:40:59,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:40:59,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:40:59,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:40:59,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:40:59,744 INFO L87 Difference]: Start difference. First operand 77082 states and 232259 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:01,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:01,371 INFO L93 Difference]: Finished difference Result 140942 states and 421016 transitions. [2022-01-18 08:41:01,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 08:41:01,372 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:01,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:01,733 INFO L225 Difference]: With dead ends: 140942 [2022-01-18 08:41:01,734 INFO L226 Difference]: Without dead ends: 139916 [2022-01-18 08:41:01,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=334, Invalid=1072, Unknown=0, NotChecked=0, Total=1406 [2022-01-18 08:41:01,734 INFO L933 BasicCegarLoop]: 529 mSDtfsCounter, 625 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 2515 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:01,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [625 Valid, 2515 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:41:01,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139916 states. [2022-01-18 08:41:03,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139916 to 87449. [2022-01-18 08:41:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87449 states, 87445 states have (on average 3.0095488592829778) internal successors, (263170), 87448 states have internal predecessors, (263170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:04,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87449 states to 87449 states and 263170 transitions. [2022-01-18 08:41:04,342 INFO L78 Accepts]: Start accepts. Automaton has 87449 states and 263170 transitions. Word has length 129 [2022-01-18 08:41:04,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:04,342 INFO L470 AbstractCegarLoop]: Abstraction has 87449 states and 263170 transitions. [2022-01-18 08:41:04,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:04,342 INFO L276 IsEmpty]: Start isEmpty. Operand 87449 states and 263170 transitions. [2022-01-18 08:41:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:04,523 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:04,524 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:04,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 08:41:04,524 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:04,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:04,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1929536977, now seen corresponding path program 2 times [2022-01-18 08:41:04,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:04,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252680770] [2022-01-18 08:41:04,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:04,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:04,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:04,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252680770] [2022-01-18 08:41:04,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252680770] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:04,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:04,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:04,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104615590] [2022-01-18 08:41:04,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:04,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:04,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:04,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:04,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:04,629 INFO L87 Difference]: Start difference. First operand 87449 states and 263170 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:05,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:05,878 INFO L93 Difference]: Finished difference Result 153488 states and 456552 transitions. [2022-01-18 08:41:05,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 08:41:05,878 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:05,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:06,245 INFO L225 Difference]: With dead ends: 153488 [2022-01-18 08:41:06,245 INFO L226 Difference]: Without dead ends: 151674 [2022-01-18 08:41:06,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=308, Invalid=952, Unknown=0, NotChecked=0, Total=1260 [2022-01-18 08:41:06,246 INFO L933 BasicCegarLoop]: 477 mSDtfsCounter, 717 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:06,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [717 Valid, 1969 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:41:06,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151674 states. [2022-01-18 08:41:08,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151674 to 92383. [2022-01-18 08:41:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92383 states, 92379 states have (on average 3.0128167657151517) internal successors, (278321), 92382 states have internal predecessors, (278321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92383 states to 92383 states and 278321 transitions. [2022-01-18 08:41:08,919 INFO L78 Accepts]: Start accepts. Automaton has 92383 states and 278321 transitions. Word has length 129 [2022-01-18 08:41:08,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:08,919 INFO L470 AbstractCegarLoop]: Abstraction has 92383 states and 278321 transitions. [2022-01-18 08:41:08,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 92383 states and 278321 transitions. [2022-01-18 08:41:09,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:09,040 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:09,040 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:09,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 08:41:09,040 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:09,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:09,041 INFO L85 PathProgramCache]: Analyzing trace with hash -324290525, now seen corresponding path program 3 times [2022-01-18 08:41:09,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:09,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170825901] [2022-01-18 08:41:09,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:09,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:09,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:09,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170825901] [2022-01-18 08:41:09,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170825901] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:09,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:09,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:09,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23918397] [2022-01-18 08:41:09,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:09,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:09,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:09,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:09,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:09,168 INFO L87 Difference]: Start difference. First operand 92383 states and 278321 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:10,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:10,651 INFO L93 Difference]: Finished difference Result 139400 states and 417886 transitions. [2022-01-18 08:41:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 08:41:10,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:10,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:11,008 INFO L225 Difference]: With dead ends: 139400 [2022-01-18 08:41:11,008 INFO L226 Difference]: Without dead ends: 139340 [2022-01-18 08:41:11,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2022-01-18 08:41:11,009 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 451 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1927 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:11,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [451 Valid, 1927 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:41:11,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139340 states. [2022-01-18 08:41:13,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139340 to 92423. [2022-01-18 08:41:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92423 states, 92419 states have (on average 3.0124433287527457) internal successors, (278407), 92422 states have internal predecessors, (278407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92423 states to 92423 states and 278407 transitions. [2022-01-18 08:41:13,676 INFO L78 Accepts]: Start accepts. Automaton has 92423 states and 278407 transitions. Word has length 129 [2022-01-18 08:41:13,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:13,676 INFO L470 AbstractCegarLoop]: Abstraction has 92423 states and 278407 transitions. [2022-01-18 08:41:13,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 92423 states and 278407 transitions. [2022-01-18 08:41:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:13,792 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:13,793 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:13,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 08:41:13,793 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:13,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash 402299471, now seen corresponding path program 4 times [2022-01-18 08:41:13,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:13,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635036753] [2022-01-18 08:41:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:13,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:13,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:13,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635036753] [2022-01-18 08:41:13,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635036753] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:13,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:13,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:13,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763323926] [2022-01-18 08:41:13,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:13,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:13,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:13,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:13,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:13,895 INFO L87 Difference]: Start difference. First operand 92423 states and 278407 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:15,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:15,502 INFO L93 Difference]: Finished difference Result 151100 states and 451485 transitions. [2022-01-18 08:41:15,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 08:41:15,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:15,870 INFO L225 Difference]: With dead ends: 151100 [2022-01-18 08:41:15,870 INFO L226 Difference]: Without dead ends: 150920 [2022-01-18 08:41:15,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2022-01-18 08:41:15,870 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 658 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:15,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [658 Valid, 2042 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:41:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150920 states. [2022-01-18 08:41:18,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150920 to 94429. [2022-01-18 08:41:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94429 states, 94425 states have (on average 3.0167010855176066) internal successors, (284852), 94428 states have internal predecessors, (284852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94429 states to 94429 states and 284852 transitions. [2022-01-18 08:41:18,612 INFO L78 Accepts]: Start accepts. Automaton has 94429 states and 284852 transitions. Word has length 129 [2022-01-18 08:41:18,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:18,612 INFO L470 AbstractCegarLoop]: Abstraction has 94429 states and 284852 transitions. [2022-01-18 08:41:18,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:18,613 INFO L276 IsEmpty]: Start isEmpty. Operand 94429 states and 284852 transitions. [2022-01-18 08:41:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:18,731 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:18,731 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:18,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 08:41:18,731 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:18,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:18,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1526980763, now seen corresponding path program 5 times [2022-01-18 08:41:18,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:18,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935214566] [2022-01-18 08:41:18,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:18,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:18,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:18,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935214566] [2022-01-18 08:41:18,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935214566] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:18,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:18,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:18,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839106348] [2022-01-18 08:41:18,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:18,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:18,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:18,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:18,828 INFO L87 Difference]: Start difference. First operand 94429 states and 284852 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:20,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:20,348 INFO L93 Difference]: Finished difference Result 149388 states and 446977 transitions. [2022-01-18 08:41:20,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 08:41:20,348 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:20,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:20,731 INFO L225 Difference]: With dead ends: 149388 [2022-01-18 08:41:20,731 INFO L226 Difference]: Without dead ends: 149176 [2022-01-18 08:41:20,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2022-01-18 08:41:20,731 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 589 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:20,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [589 Valid, 1853 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:41:20,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149176 states. [2022-01-18 08:41:22,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149176 to 95125. [2022-01-18 08:41:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95125 states, 95121 states have (on average 3.014097833286025) internal successors, (286704), 95124 states have internal predecessors, (286704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95125 states to 95125 states and 286704 transitions. [2022-01-18 08:41:23,569 INFO L78 Accepts]: Start accepts. Automaton has 95125 states and 286704 transitions. Word has length 129 [2022-01-18 08:41:23,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:23,569 INFO L470 AbstractCegarLoop]: Abstraction has 95125 states and 286704 transitions. [2022-01-18 08:41:23,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 95125 states and 286704 transitions. [2022-01-18 08:41:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:23,689 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:23,690 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:23,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-18 08:41:23,690 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:23,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1011009465, now seen corresponding path program 6 times [2022-01-18 08:41:23,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:23,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126976159] [2022-01-18 08:41:23,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:23,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:23,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:23,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126976159] [2022-01-18 08:41:23,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126976159] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:23,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:23,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:23,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853395220] [2022-01-18 08:41:23,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:23,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:23,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:23,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:23,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:23,804 INFO L87 Difference]: Start difference. First operand 95125 states and 286704 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:25,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:25,070 INFO L93 Difference]: Finished difference Result 152291 states and 455248 transitions. [2022-01-18 08:41:25,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 08:41:25,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:25,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:25,973 INFO L225 Difference]: With dead ends: 152291 [2022-01-18 08:41:25,973 INFO L226 Difference]: Without dead ends: 150477 [2022-01-18 08:41:25,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=895, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:41:25,974 INFO L933 BasicCegarLoop]: 455 mSDtfsCounter, 590 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:25,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [590 Valid, 1912 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:41:26,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150477 states. [2022-01-18 08:41:27,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150477 to 97627. [2022-01-18 08:41:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97627 states, 97623 states have (on average 3.0180797557952532) internal successors, (294634), 97626 states have internal predecessors, (294634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97627 states to 97627 states and 294634 transitions. [2022-01-18 08:41:28,601 INFO L78 Accepts]: Start accepts. Automaton has 97627 states and 294634 transitions. Word has length 129 [2022-01-18 08:41:28,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:28,601 INFO L470 AbstractCegarLoop]: Abstraction has 97627 states and 294634 transitions. [2022-01-18 08:41:28,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 97627 states and 294634 transitions. [2022-01-18 08:41:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:28,755 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:28,770 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:28,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-18 08:41:28,770 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:28,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:28,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2077628707, now seen corresponding path program 7 times [2022-01-18 08:41:28,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:28,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948339645] [2022-01-18 08:41:28,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:28,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:28,933 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:28,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:28,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948339645] [2022-01-18 08:41:28,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948339645] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:28,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:28,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:28,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039511368] [2022-01-18 08:41:28,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:28,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:28,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:28,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:28,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:28,935 INFO L87 Difference]: Start difference. First operand 97627 states and 294634 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:29,804 INFO L93 Difference]: Finished difference Result 137191 states and 413037 transitions. [2022-01-18 08:41:29,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 08:41:29,805 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:29,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:30,132 INFO L225 Difference]: With dead ends: 137191 [2022-01-18 08:41:30,132 INFO L226 Difference]: Without dead ends: 137131 [2022-01-18 08:41:30,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2022-01-18 08:41:30,133 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 320 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:30,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 1661 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:41:30,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137131 states. [2022-01-18 08:41:32,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137131 to 97683. [2022-01-18 08:41:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97683 states, 97679 states have (on average 3.0177827373335107) internal successors, (294774), 97682 states have internal predecessors, (294774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97683 states to 97683 states and 294774 transitions. [2022-01-18 08:41:32,816 INFO L78 Accepts]: Start accepts. Automaton has 97683 states and 294774 transitions. Word has length 129 [2022-01-18 08:41:32,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:32,816 INFO L470 AbstractCegarLoop]: Abstraction has 97683 states and 294774 transitions. [2022-01-18 08:41:32,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 97683 states and 294774 transitions. [2022-01-18 08:41:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:32,939 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:32,939 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:32,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-18 08:41:32,939 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:32,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:32,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1351038711, now seen corresponding path program 8 times [2022-01-18 08:41:32,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:32,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542367352] [2022-01-18 08:41:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:32,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:33,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:33,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542367352] [2022-01-18 08:41:33,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542367352] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:33,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:33,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:33,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338604682] [2022-01-18 08:41:33,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:33,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:33,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:33,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:33,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:33,053 INFO L87 Difference]: Start difference. First operand 97683 states and 294774 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:34,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:34,654 INFO L93 Difference]: Finished difference Result 150201 states and 450806 transitions. [2022-01-18 08:41:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 08:41:34,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:34,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:35,027 INFO L225 Difference]: With dead ends: 150201 [2022-01-18 08:41:35,027 INFO L226 Difference]: Without dead ends: 150021 [2022-01-18 08:41:35,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2022-01-18 08:41:35,028 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 536 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 2004 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:35,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 2004 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:41:35,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150021 states. [2022-01-18 08:41:37,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150021 to 100223. [2022-01-18 08:41:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100223 states, 100219 states have (on average 3.0239675111505804) internal successors, (303059), 100222 states have internal predecessors, (303059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100223 states to 100223 states and 303059 transitions. [2022-01-18 08:41:37,932 INFO L78 Accepts]: Start accepts. Automaton has 100223 states and 303059 transitions. Word has length 129 [2022-01-18 08:41:37,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:37,932 INFO L470 AbstractCegarLoop]: Abstraction has 100223 states and 303059 transitions. [2022-01-18 08:41:37,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 100223 states and 303059 transitions. [2022-01-18 08:41:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:38,057 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:38,057 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:38,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-18 08:41:38,058 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:38,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:38,058 INFO L85 PathProgramCache]: Analyzing trace with hash -226357419, now seen corresponding path program 9 times [2022-01-18 08:41:38,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:38,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380586060] [2022-01-18 08:41:38,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:38,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:38,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:38,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380586060] [2022-01-18 08:41:38,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380586060] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:38,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:38,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:38,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201191744] [2022-01-18 08:41:38,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:38,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:38,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:38,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:38,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:38,172 INFO L87 Difference]: Start difference. First operand 100223 states and 303059 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:39,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:39,726 INFO L93 Difference]: Finished difference Result 148487 states and 446295 transitions. [2022-01-18 08:41:39,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:41:39,727 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:40,112 INFO L225 Difference]: With dead ends: 148487 [2022-01-18 08:41:40,113 INFO L226 Difference]: Without dead ends: 148275 [2022-01-18 08:41:40,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:41:40,113 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 473 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:40,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [473 Valid, 1817 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:41:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148275 states. [2022-01-18 08:41:42,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148275 to 96283. [2022-01-18 08:41:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96283 states, 96279 states have (on average 3.0164625723158736) internal successors, (290422), 96282 states have internal predecessors, (290422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96283 states to 96283 states and 290422 transitions. [2022-01-18 08:41:42,804 INFO L78 Accepts]: Start accepts. Automaton has 96283 states and 290422 transitions. Word has length 129 [2022-01-18 08:41:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:42,804 INFO L470 AbstractCegarLoop]: Abstraction has 96283 states and 290422 transitions. [2022-01-18 08:41:42,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 96283 states and 290422 transitions. [2022-01-18 08:41:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:42,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:42,926 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:42,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-18 08:41:42,926 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:42,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:42,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1503421037, now seen corresponding path program 10 times [2022-01-18 08:41:42,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:42,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178358926] [2022-01-18 08:41:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:42,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:43,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:43,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178358926] [2022-01-18 08:41:43,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178358926] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:43,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:43,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:43,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364742889] [2022-01-18 08:41:43,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:43,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:43,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:43,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:43,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:43,035 INFO L87 Difference]: Start difference. First operand 96283 states and 290422 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:44,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:44,512 INFO L93 Difference]: Finished difference Result 143415 states and 430962 transitions. [2022-01-18 08:41:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 08:41:44,512 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:44,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:44,851 INFO L225 Difference]: With dead ends: 143415 [2022-01-18 08:41:44,851 INFO L226 Difference]: Without dead ends: 143237 [2022-01-18 08:41:44,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:41:44,851 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 434 mSDsluCounter, 1522 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:44,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 1899 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:41:45,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143237 states. [2022-01-18 08:41:46,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143237 to 98311. [2022-01-18 08:41:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98311 states, 98307 states have (on average 3.020293570142513) internal successors, (296916), 98310 states have internal predecessors, (296916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98311 states to 98311 states and 296916 transitions. [2022-01-18 08:41:47,906 INFO L78 Accepts]: Start accepts. Automaton has 98311 states and 296916 transitions. Word has length 129 [2022-01-18 08:41:47,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:47,906 INFO L470 AbstractCegarLoop]: Abstraction has 98311 states and 296916 transitions. [2022-01-18 08:41:47,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 98311 states and 296916 transitions. [2022-01-18 08:41:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:48,049 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:48,050 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:48,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-18 08:41:48,050 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:48,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:48,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1666864967, now seen corresponding path program 11 times [2022-01-18 08:41:48,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:48,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398012674] [2022-01-18 08:41:48,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:48,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:48,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:48,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398012674] [2022-01-18 08:41:48,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398012674] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:48,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:48,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:48,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585573323] [2022-01-18 08:41:48,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:48,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:48,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:48,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:48,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:48,174 INFO L87 Difference]: Start difference. First operand 98311 states and 296916 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:49,061 INFO L93 Difference]: Finished difference Result 142059 states and 427374 transitions. [2022-01-18 08:41:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:41:49,062 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:49,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:49,403 INFO L225 Difference]: With dead ends: 142059 [2022-01-18 08:41:49,403 INFO L226 Difference]: Without dead ends: 141859 [2022-01-18 08:41:49,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:41:49,403 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 389 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:49,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 1426 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:41:50,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141859 states. [2022-01-18 08:41:51,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141859 to 98507. [2022-01-18 08:41:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98507 states, 98503 states have (on average 3.01964407175416) internal successors, (297444), 98506 states have internal predecessors, (297444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98507 states to 98507 states and 297444 transitions. [2022-01-18 08:41:52,204 INFO L78 Accepts]: Start accepts. Automaton has 98507 states and 297444 transitions. Word has length 129 [2022-01-18 08:41:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:52,204 INFO L470 AbstractCegarLoop]: Abstraction has 98507 states and 297444 transitions. [2022-01-18 08:41:52,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 98507 states and 297444 transitions. [2022-01-18 08:41:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:52,325 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:52,325 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:52,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-18 08:41:52,325 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:52,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:52,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1335692827, now seen corresponding path program 12 times [2022-01-18 08:41:52,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:52,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770956894] [2022-01-18 08:41:52,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:52,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:52,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:52,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770956894] [2022-01-18 08:41:52,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770956894] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:52,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:52,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:52,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003267304] [2022-01-18 08:41:52,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:52,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:52,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:52,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:52,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:52,430 INFO L87 Difference]: Start difference. First operand 98507 states and 297444 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:53,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:53,707 INFO L93 Difference]: Finished difference Result 134533 states and 406018 transitions. [2022-01-18 08:41:53,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 08:41:53,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:53,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:54,028 INFO L225 Difference]: With dead ends: 134533 [2022-01-18 08:41:54,028 INFO L226 Difference]: Without dead ends: 134469 [2022-01-18 08:41:54,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2022-01-18 08:41:54,028 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 272 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:54,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 1671 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:41:54,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134469 states. [2022-01-18 08:41:56,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134469 to 98503. [2022-01-18 08:41:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98503 states, 98499 states have (on average 3.0194215169697154) internal successors, (297410), 98502 states have internal predecessors, (297410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98503 states to 98503 states and 297410 transitions. [2022-01-18 08:41:57,033 INFO L78 Accepts]: Start accepts. Automaton has 98503 states and 297410 transitions. Word has length 129 [2022-01-18 08:41:57,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:41:57,033 INFO L470 AbstractCegarLoop]: Abstraction has 98503 states and 297410 transitions. [2022-01-18 08:41:57,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 98503 states and 297410 transitions. [2022-01-18 08:41:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:41:57,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:41:57,188 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:41:57,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-18 08:41:57,188 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:41:57,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:41:57,189 INFO L85 PathProgramCache]: Analyzing trace with hash -748209265, now seen corresponding path program 13 times [2022-01-18 08:41:57,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:41:57,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176698704] [2022-01-18 08:41:57,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:41:57,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:41:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:41:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:41:57,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:41:57,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176698704] [2022-01-18 08:41:57,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176698704] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:41:57,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:41:57,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:41:57,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414468697] [2022-01-18 08:41:57,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:41:57,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:41:57,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:41:57,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:41:57,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:41:57,324 INFO L87 Difference]: Start difference. First operand 98503 states and 297410 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:41:58,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:41:58,867 INFO L93 Difference]: Finished difference Result 141321 states and 425071 transitions. [2022-01-18 08:41:58,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 08:41:58,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:41:58,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:41:59,241 INFO L225 Difference]: With dead ends: 141321 [2022-01-18 08:41:59,241 INFO L226 Difference]: Without dead ends: 141235 [2022-01-18 08:41:59,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2022-01-18 08:41:59,242 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 432 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:41:59,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 1874 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:41:59,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141235 states. [2022-01-18 08:42:01,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141235 to 99667. [2022-01-18 08:42:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99667 states, 99663 states have (on average 3.019355227115379) internal successors, (300918), 99666 states have internal predecessors, (300918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99667 states to 99667 states and 300918 transitions. [2022-01-18 08:42:01,959 INFO L78 Accepts]: Start accepts. Automaton has 99667 states and 300918 transitions. Word has length 129 [2022-01-18 08:42:01,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:01,959 INFO L470 AbstractCegarLoop]: Abstraction has 99667 states and 300918 transitions. [2022-01-18 08:42:01,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:01,959 INFO L276 IsEmpty]: Start isEmpty. Operand 99667 states and 300918 transitions. [2022-01-18 08:42:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:02,084 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:02,084 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:02,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-18 08:42:02,085 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:02,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:02,085 INFO L85 PathProgramCache]: Analyzing trace with hash 376472027, now seen corresponding path program 14 times [2022-01-18 08:42:02,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:02,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212719858] [2022-01-18 08:42:02,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:02,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:02,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:02,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212719858] [2022-01-18 08:42:02,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212719858] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:02,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:02,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:02,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467996709] [2022-01-18 08:42:02,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:02,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:02,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:02,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:02,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:02,181 INFO L87 Difference]: Start difference. First operand 99667 states and 300918 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:03,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:03,078 INFO L93 Difference]: Finished difference Result 140191 states and 421671 transitions. [2022-01-18 08:42:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:42:03,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:03,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:03,986 INFO L225 Difference]: With dead ends: 140191 [2022-01-18 08:42:03,986 INFO L226 Difference]: Without dead ends: 139991 [2022-01-18 08:42:03,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2022-01-18 08:42:03,986 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 386 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:03,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 1693 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:42:04,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139991 states. [2022-01-18 08:42:05,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139991 to 99791. [2022-01-18 08:42:05,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99791 states, 99787 states have (on average 3.017968272420255) internal successors, (301154), 99790 states have internal predecessors, (301154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99791 states to 99791 states and 301154 transitions. [2022-01-18 08:42:06,208 INFO L78 Accepts]: Start accepts. Automaton has 99791 states and 301154 transitions. Word has length 129 [2022-01-18 08:42:06,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:06,208 INFO L470 AbstractCegarLoop]: Abstraction has 99791 states and 301154 transitions. [2022-01-18 08:42:06,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 99791 states and 301154 transitions. [2022-01-18 08:42:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:06,785 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:06,785 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:06,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-18 08:42:06,786 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:06,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:06,786 INFO L85 PathProgramCache]: Analyzing trace with hash 547945993, now seen corresponding path program 15 times [2022-01-18 08:42:06,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:06,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444561368] [2022-01-18 08:42:06,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:06,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:06,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:06,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444561368] [2022-01-18 08:42:06,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444561368] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:06,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:06,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:42:06,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478300229] [2022-01-18 08:42:06,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:06,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:42:06,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:06,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:42:06,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:42:06,984 INFO L87 Difference]: Start difference. First operand 99791 states and 301154 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:08,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:08,103 INFO L93 Difference]: Finished difference Result 149792 states and 448930 transitions. [2022-01-18 08:42:08,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 08:42:08,104 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:08,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:08,459 INFO L225 Difference]: With dead ends: 149792 [2022-01-18 08:42:08,459 INFO L226 Difference]: Without dead ends: 149502 [2022-01-18 08:42:08,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2022-01-18 08:42:08,460 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 402 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 2516 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:08,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 2516 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:42:08,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149502 states. [2022-01-18 08:42:10,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149502 to 100685. [2022-01-18 08:42:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100685 states, 100681 states have (on average 3.018345070072804) internal successors, (303890), 100684 states have internal predecessors, (303890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100685 states to 100685 states and 303890 transitions. [2022-01-18 08:42:11,360 INFO L78 Accepts]: Start accepts. Automaton has 100685 states and 303890 transitions. Word has length 129 [2022-01-18 08:42:11,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:11,360 INFO L470 AbstractCegarLoop]: Abstraction has 100685 states and 303890 transitions. [2022-01-18 08:42:11,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 100685 states and 303890 transitions. [2022-01-18 08:42:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:11,482 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:11,482 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:11,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-18 08:42:11,483 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:11,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:11,483 INFO L85 PathProgramCache]: Analyzing trace with hash 574714649, now seen corresponding path program 16 times [2022-01-18 08:42:11,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:11,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264562053] [2022-01-18 08:42:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:11,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:11,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:11,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264562053] [2022-01-18 08:42:11,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264562053] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:11,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:11,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:11,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301501373] [2022-01-18 08:42:11,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:11,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:11,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:11,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:11,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:11,595 INFO L87 Difference]: Start difference. First operand 100685 states and 303890 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:13,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:13,490 INFO L93 Difference]: Finished difference Result 191567 states and 572054 transitions. [2022-01-18 08:42:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 08:42:13,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:13,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:14,223 INFO L225 Difference]: With dead ends: 191567 [2022-01-18 08:42:14,224 INFO L226 Difference]: Without dead ends: 189345 [2022-01-18 08:42:14,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:42:14,224 INFO L933 BasicCegarLoop]: 502 mSDtfsCounter, 614 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:14,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [614 Valid, 1854 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 08:42:14,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189345 states. [2022-01-18 08:42:17,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189345 to 121557. [2022-01-18 08:42:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121557 states, 121553 states have (on average 3.043437841929035) internal successors, (369939), 121556 states have internal predecessors, (369939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121557 states to 121557 states and 369939 transitions. [2022-01-18 08:42:18,312 INFO L78 Accepts]: Start accepts. Automaton has 121557 states and 369939 transitions. Word has length 129 [2022-01-18 08:42:18,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:18,312 INFO L470 AbstractCegarLoop]: Abstraction has 121557 states and 369939 transitions. [2022-01-18 08:42:18,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 121557 states and 369939 transitions. [2022-01-18 08:42:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:18,457 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:18,457 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:18,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-18 08:42:18,457 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:18,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:18,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1781043773, now seen corresponding path program 17 times [2022-01-18 08:42:18,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:18,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558691701] [2022-01-18 08:42:18,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:18,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:18,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:18,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558691701] [2022-01-18 08:42:18,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558691701] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:18,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:18,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:18,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661087406] [2022-01-18 08:42:18,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:18,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:18,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:18,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:18,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:18,558 INFO L87 Difference]: Start difference. First operand 121557 states and 369939 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:20,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:20,147 INFO L93 Difference]: Finished difference Result 171791 states and 514855 transitions. [2022-01-18 08:42:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 08:42:20,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:20,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:20,624 INFO L225 Difference]: With dead ends: 171791 [2022-01-18 08:42:20,624 INFO L226 Difference]: Without dead ends: 171569 [2022-01-18 08:42:20,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2022-01-18 08:42:20,625 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 406 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:20,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 1527 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 08:42:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171569 states. [2022-01-18 08:42:23,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171569 to 121645. [2022-01-18 08:42:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121645 states, 121641 states have (on average 3.043061138925198) internal successors, (370161), 121644 states have internal predecessors, (370161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121645 states to 121645 states and 370161 transitions. [2022-01-18 08:42:23,821 INFO L78 Accepts]: Start accepts. Automaton has 121645 states and 370161 transitions. Word has length 129 [2022-01-18 08:42:23,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:23,821 INFO L470 AbstractCegarLoop]: Abstraction has 121645 states and 370161 transitions. [2022-01-18 08:42:23,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 121645 states and 370161 transitions. [2022-01-18 08:42:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:23,973 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:23,973 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:23,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-18 08:42:23,973 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:23,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1787333527, now seen corresponding path program 18 times [2022-01-18 08:42:23,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:23,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139255373] [2022-01-18 08:42:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:23,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:24,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:24,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139255373] [2022-01-18 08:42:24,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139255373] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:24,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:24,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:24,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978901530] [2022-01-18 08:42:24,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:24,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:24,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:24,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:24,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:24,075 INFO L87 Difference]: Start difference. First operand 121645 states and 370161 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:25,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:25,898 INFO L93 Difference]: Finished difference Result 180271 states and 539170 transitions. [2022-01-18 08:42:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 08:42:25,899 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:25,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:26,337 INFO L225 Difference]: With dead ends: 180271 [2022-01-18 08:42:26,338 INFO L226 Difference]: Without dead ends: 180091 [2022-01-18 08:42:26,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2022-01-18 08:42:26,338 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 528 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:26,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [528 Valid, 2395 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:42:26,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180091 states. [2022-01-18 08:42:29,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180091 to 121869. [2022-01-18 08:42:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121869 states, 121865 states have (on average 3.042128584909531) internal successors, (370729), 121868 states have internal predecessors, (370729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:30,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121869 states to 121869 states and 370729 transitions. [2022-01-18 08:42:30,311 INFO L78 Accepts]: Start accepts. Automaton has 121869 states and 370729 transitions. Word has length 129 [2022-01-18 08:42:30,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:30,312 INFO L470 AbstractCegarLoop]: Abstraction has 121869 states and 370729 transitions. [2022-01-18 08:42:30,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:30,312 INFO L276 IsEmpty]: Start isEmpty. Operand 121869 states and 370729 transitions. [2022-01-18 08:42:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:30,454 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:30,455 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:30,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-18 08:42:30,455 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:30,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:30,455 INFO L85 PathProgramCache]: Analyzing trace with hash -662652235, now seen corresponding path program 19 times [2022-01-18 08:42:30,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:30,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723382086] [2022-01-18 08:42:30,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:30,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:30,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:30,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723382086] [2022-01-18 08:42:30,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723382086] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:30,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:30,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:30,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579704328] [2022-01-18 08:42:30,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:30,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:30,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:30,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:30,546 INFO L87 Difference]: Start difference. First operand 121869 states and 370729 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:32,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:32,207 INFO L93 Difference]: Finished difference Result 176561 states and 529261 transitions. [2022-01-18 08:42:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:42:32,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:32,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:32,646 INFO L225 Difference]: With dead ends: 176561 [2022-01-18 08:42:32,647 INFO L226 Difference]: Without dead ends: 176349 [2022-01-18 08:42:32,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:42:32,647 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 502 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:32,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [502 Valid, 1417 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:42:32,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176349 states. [2022-01-18 08:42:35,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176349 to 118847. [2022-01-18 08:42:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118847 states, 118843 states have (on average 3.039354442415624) internal successors, (361206), 118846 states have internal predecessors, (361206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118847 states to 118847 states and 361206 transitions. [2022-01-18 08:42:35,854 INFO L78 Accepts]: Start accepts. Automaton has 118847 states and 361206 transitions. Word has length 129 [2022-01-18 08:42:35,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:35,855 INFO L470 AbstractCegarLoop]: Abstraction has 118847 states and 361206 transitions. [2022-01-18 08:42:35,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 118847 states and 361206 transitions. [2022-01-18 08:42:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:36,005 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:36,005 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:36,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-18 08:42:36,006 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:36,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:36,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1067126221, now seen corresponding path program 20 times [2022-01-18 08:42:36,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:36,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726902374] [2022-01-18 08:42:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:36,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:36,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:36,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726902374] [2022-01-18 08:42:36,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726902374] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:36,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:36,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:36,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886577245] [2022-01-18 08:42:36,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:36,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:36,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:36,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:36,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:36,119 INFO L87 Difference]: Start difference. First operand 118847 states and 361206 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:37,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:37,780 INFO L93 Difference]: Finished difference Result 174603 states and 522492 transitions. [2022-01-18 08:42:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 08:42:37,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:37,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:38,201 INFO L225 Difference]: With dead ends: 174603 [2022-01-18 08:42:38,201 INFO L226 Difference]: Without dead ends: 174425 [2022-01-18 08:42:38,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:42:38,202 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 437 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1987 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:38,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [437 Valid, 1987 Invalid, 636 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [7 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:42:38,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174425 states. [2022-01-18 08:42:41,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174425 to 119193. [2022-01-18 08:42:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119193 states, 119189 states have (on average 3.038350854525166) internal successors, (362138), 119192 states have internal predecessors, (362138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119193 states to 119193 states and 362138 transitions. [2022-01-18 08:42:42,160 INFO L78 Accepts]: Start accepts. Automaton has 119193 states and 362138 transitions. Word has length 129 [2022-01-18 08:42:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:42,160 INFO L470 AbstractCegarLoop]: Abstraction has 119193 states and 362138 transitions. [2022-01-18 08:42:42,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 119193 states and 362138 transitions. [2022-01-18 08:42:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:42,305 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:42,305 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:42,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-18 08:42:42,305 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:42,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:42,306 INFO L85 PathProgramCache]: Analyzing trace with hash -2103159783, now seen corresponding path program 21 times [2022-01-18 08:42:42,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:42,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579908790] [2022-01-18 08:42:42,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:42,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:42,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:42,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579908790] [2022-01-18 08:42:42,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579908790] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:42,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:42,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:42,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477439265] [2022-01-18 08:42:42,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:42,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:42,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:42,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:42,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:42,405 INFO L87 Difference]: Start difference. First operand 119193 states and 362138 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:44,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:44,028 INFO L93 Difference]: Finished difference Result 171389 states and 513858 transitions. [2022-01-18 08:42:44,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:42:44,040 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:44,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:44,497 INFO L225 Difference]: With dead ends: 171389 [2022-01-18 08:42:44,497 INFO L226 Difference]: Without dead ends: 171189 [2022-01-18 08:42:44,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:42:44,497 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 414 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:44,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 1883 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:42:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171189 states. [2022-01-18 08:42:47,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171189 to 117161. [2022-01-18 08:42:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117161 states, 117157 states have (on average 3.0382904990738924) internal successors, (355957), 117160 states have internal predecessors, (355957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117161 states to 117161 states and 355957 transitions. [2022-01-18 08:42:47,570 INFO L78 Accepts]: Start accepts. Automaton has 117161 states and 355957 transitions. Word has length 129 [2022-01-18 08:42:47,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:47,570 INFO L470 AbstractCegarLoop]: Abstraction has 117161 states and 355957 transitions. [2022-01-18 08:42:47,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 117161 states and 355957 transitions. [2022-01-18 08:42:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:47,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:47,716 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:47,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-18 08:42:47,716 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:47,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:47,717 INFO L85 PathProgramCache]: Analyzing trace with hash 899398011, now seen corresponding path program 22 times [2022-01-18 08:42:47,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:47,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373319191] [2022-01-18 08:42:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:47,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:47,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:47,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373319191] [2022-01-18 08:42:47,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373319191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:47,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:47,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:47,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878796807] [2022-01-18 08:42:47,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:47,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:47,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:47,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:47,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:47,812 INFO L87 Difference]: Start difference. First operand 117161 states and 355957 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:49,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:49,254 INFO L93 Difference]: Finished difference Result 163427 states and 490174 transitions. [2022-01-18 08:42:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 08:42:49,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:49,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:49,674 INFO L225 Difference]: With dead ends: 163427 [2022-01-18 08:42:49,675 INFO L226 Difference]: Without dead ends: 163201 [2022-01-18 08:42:49,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-01-18 08:42:49,675 INFO L933 BasicCegarLoop]: 357 mSDtfsCounter, 358 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:49,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 1717 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:42:49,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163201 states. [2022-01-18 08:42:52,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163201 to 117073. [2022-01-18 08:42:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117073 states, 117069 states have (on average 3.0382338620813365) internal successors, (355683), 117072 states have internal predecessors, (355683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117073 states to 117073 states and 355683 transitions. [2022-01-18 08:42:52,797 INFO L78 Accepts]: Start accepts. Automaton has 117073 states and 355683 transitions. Word has length 129 [2022-01-18 08:42:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:52,797 INFO L470 AbstractCegarLoop]: Abstraction has 117073 states and 355683 transitions. [2022-01-18 08:42:52,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 117073 states and 355683 transitions. [2022-01-18 08:42:52,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:52,945 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:52,945 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:52,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-18 08:42:52,946 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:52,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:52,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1184504081, now seen corresponding path program 23 times [2022-01-18 08:42:52,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:52,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912967655] [2022-01-18 08:42:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:52,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:53,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:53,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912967655] [2022-01-18 08:42:53,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912967655] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:53,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:53,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:53,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477398158] [2022-01-18 08:42:53,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:53,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:53,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:53,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:53,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:53,565 INFO L87 Difference]: Start difference. First operand 117073 states and 355683 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:54,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:42:54,947 INFO L93 Difference]: Finished difference Result 171445 states and 513211 transitions. [2022-01-18 08:42:54,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 08:42:54,947 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:42:54,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:42:55,372 INFO L225 Difference]: With dead ends: 171445 [2022-01-18 08:42:55,372 INFO L226 Difference]: Without dead ends: 171251 [2022-01-18 08:42:55,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2022-01-18 08:42:55,372 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 407 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1984 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:42:55,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 1984 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:42:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171251 states. [2022-01-18 08:42:58,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171251 to 117385. [2022-01-18 08:42:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117385 states, 117381 states have (on average 3.037109924093337) internal successors, (356499), 117384 states have internal predecessors, (356499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117385 states to 117385 states and 356499 transitions. [2022-01-18 08:42:59,249 INFO L78 Accepts]: Start accepts. Automaton has 117385 states and 356499 transitions. Word has length 129 [2022-01-18 08:42:59,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:42:59,249 INFO L470 AbstractCegarLoop]: Abstraction has 117385 states and 356499 transitions. [2022-01-18 08:42:59,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:42:59,249 INFO L276 IsEmpty]: Start isEmpty. Operand 117385 states and 356499 transitions. [2022-01-18 08:42:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:42:59,390 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:42:59,390 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:42:59,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-18 08:42:59,390 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:42:59,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:42:59,391 INFO L85 PathProgramCache]: Analyzing trace with hash -59822789, now seen corresponding path program 24 times [2022-01-18 08:42:59,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:42:59,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835647521] [2022-01-18 08:42:59,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:42:59,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:42:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:42:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:42:59,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:42:59,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835647521] [2022-01-18 08:42:59,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835647521] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:42:59,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:42:59,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:42:59,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804998253] [2022-01-18 08:42:59,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:42:59,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:42:59,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:42:59,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:42:59,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:42:59,496 INFO L87 Difference]: Start difference. First operand 117385 states and 356499 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:00,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:00,633 INFO L93 Difference]: Finished difference Result 168705 states and 505474 transitions. [2022-01-18 08:43:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:43:00,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:00,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:02,128 INFO L225 Difference]: With dead ends: 168705 [2022-01-18 08:43:02,129 INFO L226 Difference]: Without dead ends: 168505 [2022-01-18 08:43:02,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-01-18 08:43:02,129 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 402 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:02,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 1720 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:43:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168505 states. [2022-01-18 08:43:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168505 to 115819. [2022-01-18 08:43:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115819 states, 115815 states have (on average 3.0380779691749775) internal successors, (351855), 115818 states have internal predecessors, (351855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115819 states to 115819 states and 351855 transitions. [2022-01-18 08:43:05,433 INFO L78 Accepts]: Start accepts. Automaton has 115819 states and 351855 transitions. Word has length 129 [2022-01-18 08:43:05,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:05,433 INFO L470 AbstractCegarLoop]: Abstraction has 115819 states and 351855 transitions. [2022-01-18 08:43:05,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 115819 states and 351855 transitions. [2022-01-18 08:43:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:05,575 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:05,576 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:05,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-18 08:43:05,576 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:05,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:05,577 INFO L85 PathProgramCache]: Analyzing trace with hash 111651177, now seen corresponding path program 25 times [2022-01-18 08:43:05,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:05,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15716161] [2022-01-18 08:43:05,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:05,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:05,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:05,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15716161] [2022-01-18 08:43:05,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15716161] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:05,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:05,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:43:05,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791905205] [2022-01-18 08:43:05,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:05,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:43:05,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:05,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:43:05,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:43:05,694 INFO L87 Difference]: Start difference. First operand 115819 states and 351855 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:07,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:07,547 INFO L93 Difference]: Finished difference Result 177466 states and 529538 transitions. [2022-01-18 08:43:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 08:43:07,548 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:07,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:08,025 INFO L225 Difference]: With dead ends: 177466 [2022-01-18 08:43:08,025 INFO L226 Difference]: Without dead ends: 177176 [2022-01-18 08:43:08,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870 [2022-01-18 08:43:08,025 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 510 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:08,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [510 Valid, 2164 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:43:08,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177176 states. [2022-01-18 08:43:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177176 to 114505. [2022-01-18 08:43:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114505 states, 114501 states have (on average 3.0373533855599515) internal successors, (347780), 114504 states have internal predecessors, (347780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114505 states to 114505 states and 347780 transitions. [2022-01-18 08:43:11,181 INFO L78 Accepts]: Start accepts. Automaton has 114505 states and 347780 transitions. Word has length 129 [2022-01-18 08:43:11,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:11,181 INFO L470 AbstractCegarLoop]: Abstraction has 114505 states and 347780 transitions. [2022-01-18 08:43:11,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:11,181 INFO L276 IsEmpty]: Start isEmpty. Operand 114505 states and 347780 transitions. [2022-01-18 08:43:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:11,328 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:11,328 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:11,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-18 08:43:11,328 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:11,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:11,329 INFO L85 PathProgramCache]: Analyzing trace with hash 51796057, now seen corresponding path program 26 times [2022-01-18 08:43:11,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:11,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101605563] [2022-01-18 08:43:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:11,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:11,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:11,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101605563] [2022-01-18 08:43:11,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101605563] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:11,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:11,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:43:11,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593636330] [2022-01-18 08:43:11,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:11,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:43:11,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:11,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:43:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:43:11,425 INFO L87 Difference]: Start difference. First operand 114505 states and 347780 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:13,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:13,041 INFO L93 Difference]: Finished difference Result 167923 states and 502318 transitions. [2022-01-18 08:43:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 08:43:13,041 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:13,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:13,468 INFO L225 Difference]: With dead ends: 167923 [2022-01-18 08:43:13,468 INFO L226 Difference]: Without dead ends: 167747 [2022-01-18 08:43:13,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:43:13,469 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 465 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:13,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 1599 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:43:13,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167747 states. [2022-01-18 08:43:16,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167747 to 114761. [2022-01-18 08:43:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114761 states, 114757 states have (on average 3.036346366670443) internal successors, (348442), 114760 states have internal predecessors, (348442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114761 states to 114761 states and 348442 transitions. [2022-01-18 08:43:17,360 INFO L78 Accepts]: Start accepts. Automaton has 114761 states and 348442 transitions. Word has length 129 [2022-01-18 08:43:17,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:17,360 INFO L470 AbstractCegarLoop]: Abstraction has 114761 states and 348442 transitions. [2022-01-18 08:43:17,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 114761 states and 348442 transitions. [2022-01-18 08:43:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:17,515 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:17,516 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:17,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-18 08:43:17,516 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:17,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1176477349, now seen corresponding path program 27 times [2022-01-18 08:43:17,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:17,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391052546] [2022-01-18 08:43:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:17,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:17,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:17,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391052546] [2022-01-18 08:43:17,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391052546] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:17,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:17,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:43:17,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392610557] [2022-01-18 08:43:17,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:17,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:43:17,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:17,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:43:17,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:43:17,622 INFO L87 Difference]: Start difference. First operand 114761 states and 348442 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:18,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:18,610 INFO L93 Difference]: Finished difference Result 164667 states and 493519 transitions. [2022-01-18 08:43:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:43:18,610 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:18,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:19,583 INFO L225 Difference]: With dead ends: 164667 [2022-01-18 08:43:19,584 INFO L226 Difference]: Without dead ends: 164467 [2022-01-18 08:43:19,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-01-18 08:43:19,584 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 430 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:19,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 1850 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:43:19,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164467 states. [2022-01-18 08:43:22,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164467 to 114813. [2022-01-18 08:43:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114813 states, 114809 states have (on average 3.036957032985219) internal successors, (348670), 114812 states have internal predecessors, (348670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114813 states to 114813 states and 348670 transitions. [2022-01-18 08:43:22,759 INFO L78 Accepts]: Start accepts. Automaton has 114813 states and 348670 transitions. Word has length 129 [2022-01-18 08:43:22,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:22,759 INFO L470 AbstractCegarLoop]: Abstraction has 114813 states and 348670 transitions. [2022-01-18 08:43:22,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand 114813 states and 348670 transitions. [2022-01-18 08:43:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:22,899 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:22,899 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:22,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-18 08:43:22,899 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:22,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:22,900 INFO L85 PathProgramCache]: Analyzing trace with hash -115932153, now seen corresponding path program 28 times [2022-01-18 08:43:22,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:22,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335197476] [2022-01-18 08:43:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:22,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:23,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:23,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335197476] [2022-01-18 08:43:23,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335197476] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:23,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:23,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:43:23,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652873404] [2022-01-18 08:43:23,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:23,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:43:23,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:23,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:43:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:43:23,004 INFO L87 Difference]: Start difference. First operand 114813 states and 348670 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:24,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:24,492 INFO L93 Difference]: Finished difference Result 159653 states and 478723 transitions. [2022-01-18 08:43:24,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 08:43:24,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:24,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:24,923 INFO L225 Difference]: With dead ends: 159653 [2022-01-18 08:43:24,924 INFO L226 Difference]: Without dead ends: 159427 [2022-01-18 08:43:24,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-01-18 08:43:24,924 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 365 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:24,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 1537 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:43:25,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159427 states. [2022-01-18 08:43:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159427 to 114737. [2022-01-18 08:43:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114737 states, 114733 states have (on average 3.0368420593900622) internal successors, (348426), 114736 states have internal predecessors, (348426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114737 states to 114737 states and 348426 transitions. [2022-01-18 08:43:27,937 INFO L78 Accepts]: Start accepts. Automaton has 114737 states and 348426 transitions. Word has length 129 [2022-01-18 08:43:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:27,937 INFO L470 AbstractCegarLoop]: Abstraction has 114737 states and 348426 transitions. [2022-01-18 08:43:27,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 114737 states and 348426 transitions. [2022-01-18 08:43:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:28,091 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:28,091 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:28,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-18 08:43:28,091 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:28,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:28,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2095133051, now seen corresponding path program 29 times [2022-01-18 08:43:28,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:28,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187427075] [2022-01-18 08:43:28,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:28,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:28,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:28,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187427075] [2022-01-18 08:43:28,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187427075] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:28,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:28,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:43:28,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302699449] [2022-01-18 08:43:28,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:28,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:43:28,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:28,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:43:28,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:43:28,181 INFO L87 Difference]: Start difference. First operand 114737 states and 348426 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:29,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:29,812 INFO L93 Difference]: Finished difference Result 166749 states and 499055 transitions. [2022-01-18 08:43:29,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 08:43:29,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:29,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:30,248 INFO L225 Difference]: With dead ends: 166749 [2022-01-18 08:43:30,248 INFO L226 Difference]: Without dead ends: 166559 [2022-01-18 08:43:30,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:43:30,249 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 409 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:30,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 2065 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:43:30,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166559 states. [2022-01-18 08:43:32,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166559 to 115085. [2022-01-18 08:43:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115085 states, 115081 states have (on average 3.0356879067787035) internal successors, (349350), 115084 states have internal predecessors, (349350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:33,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115085 states to 115085 states and 349350 transitions. [2022-01-18 08:43:33,396 INFO L78 Accepts]: Start accepts. Automaton has 115085 states and 349350 transitions. Word has length 129 [2022-01-18 08:43:33,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:33,396 INFO L470 AbstractCegarLoop]: Abstraction has 115085 states and 349350 transitions. [2022-01-18 08:43:33,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 115085 states and 349350 transitions. [2022-01-18 08:43:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:33,543 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:33,543 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:33,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-18 08:43:33,543 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:33,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:33,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1075152953, now seen corresponding path program 30 times [2022-01-18 08:43:33,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:33,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794484580] [2022-01-18 08:43:33,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:33,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:33,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:33,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794484580] [2022-01-18 08:43:33,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794484580] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:33,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:33,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:43:33,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852857603] [2022-01-18 08:43:33,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:33,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:43:33,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:33,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:43:33,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:43:33,635 INFO L87 Difference]: Start difference. First operand 115085 states and 349350 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:35,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:35,186 INFO L93 Difference]: Finished difference Result 164043 states and 491359 transitions. [2022-01-18 08:43:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:43:35,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:35,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:35,586 INFO L225 Difference]: With dead ends: 164043 [2022-01-18 08:43:35,586 INFO L226 Difference]: Without dead ends: 163843 [2022-01-18 08:43:35,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:43:35,586 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 418 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:35,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 1870 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:43:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163843 states. [2022-01-18 08:43:38,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163843 to 114829. [2022-01-18 08:43:38,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114829 states, 114825 states have (on average 3.0366644894404526) internal successors, (348685), 114828 states have internal predecessors, (348685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:39,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114829 states to 114829 states and 348685 transitions. [2022-01-18 08:43:39,522 INFO L78 Accepts]: Start accepts. Automaton has 114829 states and 348685 transitions. Word has length 129 [2022-01-18 08:43:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:39,522 INFO L470 AbstractCegarLoop]: Abstraction has 114829 states and 348685 transitions. [2022-01-18 08:43:39,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 114829 states and 348685 transitions. [2022-01-18 08:43:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:39,680 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:39,680 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:39,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-18 08:43:39,680 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:39,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:39,681 INFO L85 PathProgramCache]: Analyzing trace with hash -903678987, now seen corresponding path program 31 times [2022-01-18 08:43:39,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:39,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444098886] [2022-01-18 08:43:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:39,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:39,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:39,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444098886] [2022-01-18 08:43:39,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444098886] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:39,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:39,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:43:39,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588176033] [2022-01-18 08:43:39,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:39,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:43:39,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:39,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:43:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:43:39,794 INFO L87 Difference]: Start difference. First operand 114829 states and 348685 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:41,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:41,078 INFO L93 Difference]: Finished difference Result 174852 states and 521527 transitions. [2022-01-18 08:43:41,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:43:41,079 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:41,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:42,081 INFO L225 Difference]: With dead ends: 174852 [2022-01-18 08:43:42,081 INFO L226 Difference]: Without dead ends: 174566 [2022-01-18 08:43:42,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2022-01-18 08:43:42,081 INFO L933 BasicCegarLoop]: 487 mSDtfsCounter, 498 mSDsluCounter, 1803 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:42,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 2287 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:43:42,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174566 states. [2022-01-18 08:43:44,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174566 to 114769. [2022-01-18 08:43:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114769 states, 114765 states have (on average 3.0367446521151917) internal successors, (348512), 114768 states have internal predecessors, (348512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114769 states to 114769 states and 348512 transitions. [2022-01-18 08:43:45,274 INFO L78 Accepts]: Start accepts. Automaton has 114769 states and 348512 transitions. Word has length 129 [2022-01-18 08:43:45,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:45,274 INFO L470 AbstractCegarLoop]: Abstraction has 114769 states and 348512 transitions. [2022-01-18 08:43:45,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 114769 states and 348512 transitions. [2022-01-18 08:43:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:45,429 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:45,429 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:45,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-18 08:43:45,429 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:45,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash 128272145, now seen corresponding path program 32 times [2022-01-18 08:43:45,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:45,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362324029] [2022-01-18 08:43:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:45,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:45,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:45,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362324029] [2022-01-18 08:43:45,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362324029] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:45,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:45,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:43:45,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045475627] [2022-01-18 08:43:45,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:45,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:43:45,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:45,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:43:45,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:43:45,522 INFO L87 Difference]: Start difference. First operand 114769 states and 348512 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:47,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:47,384 INFO L93 Difference]: Finished difference Result 166693 states and 498582 transitions. [2022-01-18 08:43:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 08:43:47,384 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:47,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:47,827 INFO L225 Difference]: With dead ends: 166693 [2022-01-18 08:43:47,828 INFO L226 Difference]: Without dead ends: 166157 [2022-01-18 08:43:47,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2022-01-18 08:43:47,828 INFO L933 BasicCegarLoop]: 460 mSDtfsCounter, 617 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 1914 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:47,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [617 Valid, 1914 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:43:48,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166157 states. [2022-01-18 08:43:50,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166157 to 115507. [2022-01-18 08:43:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115507 states, 115503 states have (on average 3.03238876912288) internal successors, (350250), 115506 states have internal predecessors, (350250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115507 states to 115507 states and 350250 transitions. [2022-01-18 08:43:51,068 INFO L78 Accepts]: Start accepts. Automaton has 115507 states and 350250 transitions. Word has length 129 [2022-01-18 08:43:51,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:51,068 INFO L470 AbstractCegarLoop]: Abstraction has 115507 states and 350250 transitions. [2022-01-18 08:43:51,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:51,068 INFO L276 IsEmpty]: Start isEmpty. Operand 115507 states and 350250 transitions. [2022-01-18 08:43:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:51,240 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:51,241 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:51,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-18 08:43:51,241 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:51,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:51,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1252953437, now seen corresponding path program 33 times [2022-01-18 08:43:51,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:51,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686517410] [2022-01-18 08:43:51,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:51,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:51,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:51,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686517410] [2022-01-18 08:43:51,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686517410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:51,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:51,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:43:51,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065252671] [2022-01-18 08:43:51,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:51,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:43:51,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:51,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:43:51,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:43:51,340 INFO L87 Difference]: Start difference. First operand 115507 states and 350250 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:53,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:53,027 INFO L93 Difference]: Finished difference Result 163239 states and 488767 transitions. [2022-01-18 08:43:53,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:43:53,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:53,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:53,448 INFO L225 Difference]: With dead ends: 163239 [2022-01-18 08:43:53,448 INFO L226 Difference]: Without dead ends: 163039 [2022-01-18 08:43:53,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:43:53,449 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 569 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1940 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:53,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 1940 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:43:53,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163039 states. [2022-01-18 08:43:56,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163039 to 115235. [2022-01-18 08:43:56,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115235 states, 115231 states have (on average 3.0333504004998657) internal successors, (349536), 115234 states have internal predecessors, (349536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115235 states to 115235 states and 349536 transitions. [2022-01-18 08:43:57,340 INFO L78 Accepts]: Start accepts. Automaton has 115235 states and 349536 transitions. Word has length 129 [2022-01-18 08:43:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:43:57,340 INFO L470 AbstractCegarLoop]: Abstraction has 115235 states and 349536 transitions. [2022-01-18 08:43:57,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 115235 states and 349536 transitions. [2022-01-18 08:43:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:43:57,579 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:43:57,579 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:43:57,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-18 08:43:57,579 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:43:57,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:43:57,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1424427403, now seen corresponding path program 34 times [2022-01-18 08:43:57,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:43:57,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029387411] [2022-01-18 08:43:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:43:57,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:43:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:43:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:43:57,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:43:57,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029387411] [2022-01-18 08:43:57,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029387411] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:43:57,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:43:57,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:43:57,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598586497] [2022-01-18 08:43:57,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:43:57,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:43:57,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:43:57,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:43:57,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:43:57,675 INFO L87 Difference]: Start difference. First operand 115235 states and 349536 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:43:58,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:43:58,908 INFO L93 Difference]: Finished difference Result 175064 states and 521626 transitions. [2022-01-18 08:43:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 08:43:58,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:43:58,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:43:59,921 INFO L225 Difference]: With dead ends: 175064 [2022-01-18 08:43:59,921 INFO L226 Difference]: Without dead ends: 174748 [2022-01-18 08:43:59,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=260, Invalid=732, Unknown=0, NotChecked=0, Total=992 [2022-01-18 08:43:59,921 INFO L933 BasicCegarLoop]: 523 mSDtfsCounter, 629 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:43:59,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [629 Valid, 2240 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:44:00,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174748 states. [2022-01-18 08:44:02,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174748 to 115123. [2022-01-18 08:44:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115123 states, 115119 states have (on average 3.0335044606016384) internal successors, (349214), 115122 states have internal predecessors, (349214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115123 states to 115123 states and 349214 transitions. [2022-01-18 08:44:03,206 INFO L78 Accepts]: Start accepts. Automaton has 115123 states and 349214 transitions. Word has length 129 [2022-01-18 08:44:03,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:03,207 INFO L470 AbstractCegarLoop]: Abstraction has 115123 states and 349214 transitions. [2022-01-18 08:44:03,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 115123 states and 349214 transitions. [2022-01-18 08:44:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:03,362 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:03,362 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:03,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-18 08:44:03,362 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:03,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1922467839, now seen corresponding path program 35 times [2022-01-18 08:44:03,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:03,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381991391] [2022-01-18 08:44:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:03,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:03,464 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:03,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:03,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381991391] [2022-01-18 08:44:03,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381991391] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:03,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:03,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:44:03,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122362808] [2022-01-18 08:44:03,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:03,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:44:03,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:03,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:44:03,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:44:03,465 INFO L87 Difference]: Start difference. First operand 115123 states and 349214 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:05,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:05,321 INFO L93 Difference]: Finished difference Result 174032 states and 518733 transitions. [2022-01-18 08:44:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:44:05,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:05,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:05,810 INFO L225 Difference]: With dead ends: 174032 [2022-01-18 08:44:05,811 INFO L226 Difference]: Without dead ends: 173720 [2022-01-18 08:44:05,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:44:05,811 INFO L933 BasicCegarLoop]: 542 mSDtfsCounter, 619 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 2407 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:05,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [619 Valid, 2407 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:44:06,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173720 states. [2022-01-18 08:44:08,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173720 to 114949. [2022-01-18 08:44:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114949 states, 114945 states have (on average 3.033241985297316) internal successors, (348656), 114948 states have internal predecessors, (348656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114949 states to 114949 states and 348656 transitions. [2022-01-18 08:44:09,112 INFO L78 Accepts]: Start accepts. Automaton has 114949 states and 348656 transitions. Word has length 129 [2022-01-18 08:44:09,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:09,112 INFO L470 AbstractCegarLoop]: Abstraction has 114949 states and 348656 transitions. [2022-01-18 08:44:09,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 114949 states and 348656 transitions. [2022-01-18 08:44:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:09,269 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:09,269 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:09,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-18 08:44:09,270 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:09,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:09,270 INFO L85 PathProgramCache]: Analyzing trace with hash 79857395, now seen corresponding path program 36 times [2022-01-18 08:44:09,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:09,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651581974] [2022-01-18 08:44:09,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:09,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:09,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:09,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651581974] [2022-01-18 08:44:09,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651581974] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:09,367 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:09,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:09,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344632411] [2022-01-18 08:44:09,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:09,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:09,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:09,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:09,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:09,368 INFO L87 Difference]: Start difference. First operand 114949 states and 348656 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:11,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:11,678 INFO L93 Difference]: Finished difference Result 150323 states and 448115 transitions. [2022-01-18 08:44:11,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 08:44:11,679 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:11,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:12,213 INFO L225 Difference]: With dead ends: 150323 [2022-01-18 08:44:12,213 INFO L226 Difference]: Without dead ends: 148633 [2022-01-18 08:44:12,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:44:12,214 INFO L933 BasicCegarLoop]: 511 mSDtfsCounter, 585 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:12,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [585 Valid, 1868 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:44:12,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148633 states. [2022-01-18 08:44:14,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148633 to 118329. [2022-01-18 08:44:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118329 states, 118325 states have (on average 3.0267314599619692) internal successors, (358138), 118328 states have internal predecessors, (358138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118329 states to 118329 states and 358138 transitions. [2022-01-18 08:44:15,189 INFO L78 Accepts]: Start accepts. Automaton has 118329 states and 358138 transitions. Word has length 129 [2022-01-18 08:44:15,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:15,190 INFO L470 AbstractCegarLoop]: Abstraction has 118329 states and 358138 transitions. [2022-01-18 08:44:15,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 118329 states and 358138 transitions. [2022-01-18 08:44:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:15,352 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:15,352 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:15,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-18 08:44:15,352 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:15,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:15,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1286186519, now seen corresponding path program 37 times [2022-01-18 08:44:15,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:15,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54189358] [2022-01-18 08:44:15,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:15,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:15,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:15,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54189358] [2022-01-18 08:44:15,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54189358] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:15,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:15,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:15,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340879520] [2022-01-18 08:44:15,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:15,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:15,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:15,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:15,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:15,441 INFO L87 Difference]: Start difference. First operand 118329 states and 358138 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:16,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:16,990 INFO L93 Difference]: Finished difference Result 146085 states and 437147 transitions. [2022-01-18 08:44:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 08:44:16,991 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:16,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:17,350 INFO L225 Difference]: With dead ends: 146085 [2022-01-18 08:44:17,350 INFO L226 Difference]: Without dead ends: 146049 [2022-01-18 08:44:17,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2022-01-18 08:44:17,350 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 412 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:17,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 1717 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 08:44:17,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146049 states. [2022-01-18 08:44:19,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146049 to 118361. [2022-01-18 08:44:20,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118361 states, 118357 states have (on average 3.026555252329816) internal successors, (358214), 118360 states have internal predecessors, (358214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:20,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118361 states to 118361 states and 358214 transitions. [2022-01-18 08:44:20,343 INFO L78 Accepts]: Start accepts. Automaton has 118361 states and 358214 transitions. Word has length 129 [2022-01-18 08:44:20,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:20,343 INFO L470 AbstractCegarLoop]: Abstraction has 118361 states and 358214 transitions. [2022-01-18 08:44:20,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 118361 states and 358214 transitions. [2022-01-18 08:44:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:20,506 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:20,506 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:20,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-18 08:44:20,506 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:20,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:20,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2012776515, now seen corresponding path program 38 times [2022-01-18 08:44:20,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:20,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770645523] [2022-01-18 08:44:20,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:20,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:20,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:20,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770645523] [2022-01-18 08:44:20,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770645523] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:20,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:20,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:20,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186314350] [2022-01-18 08:44:20,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:20,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:20,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:20,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:20,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:20,589 INFO L87 Difference]: Start difference. First operand 118361 states and 358214 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:22,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:22,312 INFO L93 Difference]: Finished difference Result 147803 states and 441413 transitions. [2022-01-18 08:44:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 08:44:22,312 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:22,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:22,668 INFO L225 Difference]: With dead ends: 147803 [2022-01-18 08:44:22,669 INFO L226 Difference]: Without dead ends: 147759 [2022-01-18 08:44:22,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2022-01-18 08:44:22,669 INFO L933 BasicCegarLoop]: 458 mSDtfsCounter, 524 mSDsluCounter, 1888 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:22,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [524 Valid, 2344 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:44:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147759 states. [2022-01-18 08:44:25,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147759 to 118425. [2022-01-18 08:44:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118425 states, 118421 states have (on average 3.0262031227569435) internal successors, (358366), 118424 states have internal predecessors, (358366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118425 states to 118425 states and 358366 transitions. [2022-01-18 08:44:25,726 INFO L78 Accepts]: Start accepts. Automaton has 118425 states and 358366 transitions. Word has length 129 [2022-01-18 08:44:25,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:25,726 INFO L470 AbstractCegarLoop]: Abstraction has 118425 states and 358366 transitions. [2022-01-18 08:44:25,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 118425 states and 358366 transitions. [2022-01-18 08:44:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:25,876 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:25,876 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:25,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-18 08:44:25,876 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:25,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:25,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1157509489, now seen corresponding path program 39 times [2022-01-18 08:44:25,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:25,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531946634] [2022-01-18 08:44:25,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:25,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:25,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:25,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531946634] [2022-01-18 08:44:25,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531946634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:25,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:25,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:25,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066865949] [2022-01-18 08:44:25,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:25,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:25,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:25,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:25,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:25,967 INFO L87 Difference]: Start difference. First operand 118425 states and 358366 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:27,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:27,573 INFO L93 Difference]: Finished difference Result 145489 states and 435591 transitions. [2022-01-18 08:44:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:44:27,573 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:27,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:27,940 INFO L225 Difference]: With dead ends: 145489 [2022-01-18 08:44:27,940 INFO L226 Difference]: Without dead ends: 145381 [2022-01-18 08:44:27,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:44:27,941 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 488 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:27,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 1512 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 08:44:28,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145381 states. [2022-01-18 08:44:30,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145381 to 118433. [2022-01-18 08:44:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118433 states, 118429 states have (on average 3.02603247515389) internal successors, (358370), 118432 states have internal predecessors, (358370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118433 states to 118433 states and 358370 transitions. [2022-01-18 08:44:31,157 INFO L78 Accepts]: Start accepts. Automaton has 118433 states and 358370 transitions. Word has length 129 [2022-01-18 08:44:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:31,158 INFO L470 AbstractCegarLoop]: Abstraction has 118433 states and 358370 transitions. [2022-01-18 08:44:31,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 118433 states and 358370 transitions. [2022-01-18 08:44:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:31,318 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:31,318 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:31,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-18 08:44:31,318 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:31,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:31,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1323046945, now seen corresponding path program 40 times [2022-01-18 08:44:31,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:31,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482063509] [2022-01-18 08:44:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:31,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:31,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:31,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482063509] [2022-01-18 08:44:31,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482063509] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:31,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:31,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:31,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354595361] [2022-01-18 08:44:31,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:31,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:31,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:31,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:31,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:31,965 INFO L87 Difference]: Start difference. First operand 118433 states and 358370 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:32,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:32,983 INFO L93 Difference]: Finished difference Result 147333 states and 440210 transitions. [2022-01-18 08:44:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:44:32,984 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:32,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:33,353 INFO L225 Difference]: With dead ends: 147333 [2022-01-18 08:44:33,353 INFO L226 Difference]: Without dead ends: 147291 [2022-01-18 08:44:33,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:44:33,354 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 429 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:33,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 1675 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:44:33,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147291 states. [2022-01-18 08:44:36,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147291 to 118545. [2022-01-18 08:44:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118545 states, 118541 states have (on average 3.02559452003948) internal successors, (358657), 118544 states have internal predecessors, (358657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118545 states to 118545 states and 358657 transitions. [2022-01-18 08:44:36,615 INFO L78 Accepts]: Start accepts. Automaton has 118545 states and 358657 transitions. Word has length 129 [2022-01-18 08:44:36,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:36,615 INFO L470 AbstractCegarLoop]: Abstraction has 118545 states and 358657 transitions. [2022-01-18 08:44:36,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand 118545 states and 358657 transitions. [2022-01-18 08:44:37,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:37,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:37,360 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:37,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-18 08:44:37,360 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:37,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1847239059, now seen corresponding path program 41 times [2022-01-18 08:44:37,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:37,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463098536] [2022-01-18 08:44:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:37,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:37,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:37,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463098536] [2022-01-18 08:44:37,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463098536] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:37,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:37,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:37,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662357549] [2022-01-18 08:44:37,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:37,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:37,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:37,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:37,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:37,531 INFO L87 Difference]: Start difference. First operand 118545 states and 358657 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:38,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:38,483 INFO L93 Difference]: Finished difference Result 145115 states and 434592 transitions. [2022-01-18 08:44:38,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:44:38,483 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:38,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:38,845 INFO L225 Difference]: With dead ends: 145115 [2022-01-18 08:44:38,845 INFO L226 Difference]: Without dead ends: 145019 [2022-01-18 08:44:38,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2022-01-18 08:44:38,846 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 379 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:38,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 1695 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:44:39,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145019 states. [2022-01-18 08:44:41,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145019 to 118481. [2022-01-18 08:44:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118481 states, 118477 states have (on average 3.025912202368392) internal successors, (358501), 118480 states have internal predecessors, (358501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:42,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118481 states to 118481 states and 358501 transitions. [2022-01-18 08:44:42,083 INFO L78 Accepts]: Start accepts. Automaton has 118481 states and 358501 transitions. Word has length 129 [2022-01-18 08:44:42,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:42,083 INFO L470 AbstractCegarLoop]: Abstraction has 118481 states and 358501 transitions. [2022-01-18 08:44:42,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 118481 states and 358501 transitions. [2022-01-18 08:44:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:42,825 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:42,825 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:42,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-18 08:44:42,826 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:42,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:42,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1155318735, now seen corresponding path program 42 times [2022-01-18 08:44:42,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:42,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746098755] [2022-01-18 08:44:42,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:42,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:43,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:43,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746098755] [2022-01-18 08:44:43,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746098755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:43,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:43,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:43,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212866498] [2022-01-18 08:44:43,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:43,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:43,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:43,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:43,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:43,004 INFO L87 Difference]: Start difference. First operand 118481 states and 358501 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:43,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:43,908 INFO L93 Difference]: Finished difference Result 145357 states and 435338 transitions. [2022-01-18 08:44:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 08:44:43,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:43,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:44,278 INFO L225 Difference]: With dead ends: 145357 [2022-01-18 08:44:44,278 INFO L226 Difference]: Without dead ends: 145317 [2022-01-18 08:44:44,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-01-18 08:44:44,278 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 311 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:44,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 1577 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:44:44,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145317 states. [2022-01-18 08:44:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145317 to 118449. [2022-01-18 08:44:47,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118449 states, 118445 states have (on average 3.0259698594284266) internal successors, (358411), 118448 states have internal predecessors, (358411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118449 states to 118449 states and 358411 transitions. [2022-01-18 08:44:47,539 INFO L78 Accepts]: Start accepts. Automaton has 118449 states and 358411 transitions. Word has length 129 [2022-01-18 08:44:47,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:47,539 INFO L470 AbstractCegarLoop]: Abstraction has 118449 states and 358411 transitions. [2022-01-18 08:44:47,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 118449 states and 358411 transitions. [2022-01-18 08:44:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:48,292 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:48,292 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:48,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-18 08:44:48,292 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:48,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:48,293 INFO L85 PathProgramCache]: Analyzing trace with hash -928583357, now seen corresponding path program 43 times [2022-01-18 08:44:48,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:48,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965165349] [2022-01-18 08:44:48,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:48,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:48,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:48,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965165349] [2022-01-18 08:44:48,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965165349] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:48,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:48,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:48,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763934207] [2022-01-18 08:44:48,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:48,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:48,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:48,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:48,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:48,477 INFO L87 Difference]: Start difference. First operand 118449 states and 358411 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:49,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:49,503 INFO L93 Difference]: Finished difference Result 146829 states and 438978 transitions. [2022-01-18 08:44:49,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:44:49,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:49,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:49,868 INFO L225 Difference]: With dead ends: 146829 [2022-01-18 08:44:49,868 INFO L226 Difference]: Without dead ends: 146777 [2022-01-18 08:44:49,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:44:49,869 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 414 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:49,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 1997 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:44:50,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146777 states. [2022-01-18 08:44:52,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146777 to 118545. [2022-01-18 08:44:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118545 states, 118541 states have (on average 3.025527032840958) internal successors, (358649), 118544 states have internal predecessors, (358649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118545 states to 118545 states and 358649 transitions. [2022-01-18 08:44:53,138 INFO L78 Accepts]: Start accepts. Automaton has 118545 states and 358649 transitions. Word has length 129 [2022-01-18 08:44:53,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:53,139 INFO L470 AbstractCegarLoop]: Abstraction has 118545 states and 358649 transitions. [2022-01-18 08:44:53,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 118545 states and 358649 transitions. [2022-01-18 08:44:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:53,890 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:53,890 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:53,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-18 08:44:53,890 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:53,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:53,891 INFO L85 PathProgramCache]: Analyzing trace with hash 196097935, now seen corresponding path program 44 times [2022-01-18 08:44:53,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:53,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962680381] [2022-01-18 08:44:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:53,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:54,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:54,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962680381] [2022-01-18 08:44:54,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962680381] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:54,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:54,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:44:54,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986396350] [2022-01-18 08:44:54,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:54,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:44:54,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:54,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:44:54,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:44:54,015 INFO L87 Difference]: Start difference. First operand 118545 states and 358649 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:54,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:44:54,985 INFO L93 Difference]: Finished difference Result 144771 states and 433706 transitions. [2022-01-18 08:44:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 08:44:54,985 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:44:54,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:44:55,348 INFO L225 Difference]: With dead ends: 144771 [2022-01-18 08:44:55,348 INFO L226 Difference]: Without dead ends: 144675 [2022-01-18 08:44:55,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2022-01-18 08:44:55,349 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 374 mSDsluCounter, 1685 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 2057 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:44:55,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 2057 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:44:55,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144675 states. [2022-01-18 08:44:58,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144675 to 118481. [2022-01-18 08:44:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118481 states, 118477 states have (on average 3.025844678714012) internal successors, (358493), 118480 states have internal predecessors, (358493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:58,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118481 states to 118481 states and 358493 transitions. [2022-01-18 08:44:58,580 INFO L78 Accepts]: Start accepts. Automaton has 118481 states and 358493 transitions. Word has length 129 [2022-01-18 08:44:58,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:44:58,580 INFO L470 AbstractCegarLoop]: Abstraction has 118481 states and 358493 transitions. [2022-01-18 08:44:58,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:44:58,580 INFO L276 IsEmpty]: Start isEmpty. Operand 118481 states and 358493 transitions. [2022-01-18 08:44:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:44:59,322 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:44:59,322 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:44:59,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-18 08:44:59,323 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:44:59,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:44:59,339 INFO L85 PathProgramCache]: Analyzing trace with hash 367571901, now seen corresponding path program 45 times [2022-01-18 08:44:59,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:44:59,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948340899] [2022-01-18 08:44:59,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:44:59,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:44:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:44:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:44:59,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:44:59,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948340899] [2022-01-18 08:44:59,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948340899] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:44:59,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:44:59,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:44:59,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626182650] [2022-01-18 08:44:59,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:44:59,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:44:59,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:44:59,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:44:59,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:44:59,477 INFO L87 Difference]: Start difference. First operand 118481 states and 358493 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:00,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:00,539 INFO L93 Difference]: Finished difference Result 147079 states and 439488 transitions. [2022-01-18 08:45:00,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:45:00,539 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:00,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:00,905 INFO L225 Difference]: With dead ends: 147079 [2022-01-18 08:45:00,905 INFO L226 Difference]: Without dead ends: 146933 [2022-01-18 08:45:00,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:45:00,905 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 485 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:00,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 2091 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:45:01,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146933 states. [2022-01-18 08:45:03,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146933 to 118539. [2022-01-18 08:45:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118539 states, 118535 states have (on average 3.025553633947779) internal successors, (358634), 118538 states have internal predecessors, (358634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:04,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118539 states to 118539 states and 358634 transitions. [2022-01-18 08:45:04,784 INFO L78 Accepts]: Start accepts. Automaton has 118539 states and 358634 transitions. Word has length 129 [2022-01-18 08:45:04,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:04,785 INFO L470 AbstractCegarLoop]: Abstraction has 118539 states and 358634 transitions. [2022-01-18 08:45:04,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:04,785 INFO L276 IsEmpty]: Start isEmpty. Operand 118539 states and 358634 transitions. [2022-01-18 08:45:04,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:04,980 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:04,980 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:04,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-18 08:45:04,981 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:04,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:04,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1544009221, now seen corresponding path program 46 times [2022-01-18 08:45:04,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:04,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601223217] [2022-01-18 08:45:04,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:04,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:05,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:05,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601223217] [2022-01-18 08:45:05,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601223217] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:05,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:05,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:45:05,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737561341] [2022-01-18 08:45:05,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:05,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:45:05,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:05,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:45:05,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:45:05,065 INFO L87 Difference]: Start difference. First operand 118539 states and 358634 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:06,079 INFO L93 Difference]: Finished difference Result 148061 states and 442333 transitions. [2022-01-18 08:45:06,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:45:06,079 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:06,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:06,462 INFO L225 Difference]: With dead ends: 148061 [2022-01-18 08:45:06,462 INFO L226 Difference]: Without dead ends: 148021 [2022-01-18 08:45:06,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:45:06,463 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 422 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1914 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:06,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 1914 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:45:07,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148021 states. [2022-01-18 08:45:09,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148021 to 118885. [2022-01-18 08:45:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118885 states, 118881 states have (on average 3.0249240837476132) internal successors, (359606), 118884 states have internal predecessors, (359606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118885 states to 118885 states and 359606 transitions. [2022-01-18 08:45:10,232 INFO L78 Accepts]: Start accepts. Automaton has 118885 states and 359606 transitions. Word has length 129 [2022-01-18 08:45:10,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:10,232 INFO L470 AbstractCegarLoop]: Abstraction has 118885 states and 359606 transitions. [2022-01-18 08:45:10,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:10,232 INFO L276 IsEmpty]: Start isEmpty. Operand 118885 states and 359606 transitions. [2022-01-18 08:45:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:10,385 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:10,385 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:10,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-18 08:45:10,385 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:10,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:10,385 INFO L85 PathProgramCache]: Analyzing trace with hash -419327929, now seen corresponding path program 47 times [2022-01-18 08:45:10,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:10,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682959680] [2022-01-18 08:45:10,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:10,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:10,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:10,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682959680] [2022-01-18 08:45:10,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682959680] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:10,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:10,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:45:10,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157336224] [2022-01-18 08:45:10,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:10,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:45:10,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:10,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:45:10,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:45:10,472 INFO L87 Difference]: Start difference. First operand 118885 states and 359606 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:11,388 INFO L93 Difference]: Finished difference Result 145845 states and 436718 transitions. [2022-01-18 08:45:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 08:45:11,388 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:11,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:12,334 INFO L225 Difference]: With dead ends: 145845 [2022-01-18 08:45:12,335 INFO L226 Difference]: Without dead ends: 145749 [2022-01-18 08:45:12,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2022-01-18 08:45:12,335 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 424 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:12,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 1360 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:45:12,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145749 states. [2022-01-18 08:45:15,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145749 to 118821. [2022-01-18 08:45:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118821 states, 118817 states have (on average 3.0252404958886356) internal successors, (359450), 118820 states have internal predecessors, (359450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118821 states to 118821 states and 359450 transitions. [2022-01-18 08:45:15,474 INFO L78 Accepts]: Start accepts. Automaton has 118821 states and 359450 transitions. Word has length 129 [2022-01-18 08:45:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:15,474 INFO L470 AbstractCegarLoop]: Abstraction has 118821 states and 359450 transitions. [2022-01-18 08:45:15,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 118821 states and 359450 transitions. [2022-01-18 08:45:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:16,242 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:16,243 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:16,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-18 08:45:16,243 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:16,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:16,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1711737431, now seen corresponding path program 48 times [2022-01-18 08:45:16,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:16,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288836172] [2022-01-18 08:45:16,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:16,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:16,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:16,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288836172] [2022-01-18 08:45:16,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288836172] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:16,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:16,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:45:16,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875849763] [2022-01-18 08:45:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:16,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:45:16,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:16,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:45:16,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:45:16,381 INFO L87 Difference]: Start difference. First operand 118821 states and 359450 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:17,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:17,197 INFO L93 Difference]: Finished difference Result 146087 states and 437464 transitions. [2022-01-18 08:45:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 08:45:17,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:17,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:17,559 INFO L225 Difference]: With dead ends: 146087 [2022-01-18 08:45:17,559 INFO L226 Difference]: Without dead ends: 146047 [2022-01-18 08:45:17,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-01-18 08:45:17,559 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 316 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:17,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 1336 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:45:17,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146047 states. [2022-01-18 08:45:20,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146047 to 118789. [2022-01-18 08:45:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118789 states, 118785 states have (on average 3.0252978069621586) internal successors, (359360), 118788 states have internal predecessors, (359360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118789 states to 118789 states and 359360 transitions. [2022-01-18 08:45:20,817 INFO L78 Accepts]: Start accepts. Automaton has 118789 states and 359360 transitions. Word has length 129 [2022-01-18 08:45:20,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:20,818 INFO L470 AbstractCegarLoop]: Abstraction has 118789 states and 359360 transitions. [2022-01-18 08:45:20,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 118789 states and 359360 transitions. [2022-01-18 08:45:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:21,502 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:21,502 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:21,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-18 08:45:21,502 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:21,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:21,503 INFO L85 PathProgramCache]: Analyzing trace with hash 499327773, now seen corresponding path program 49 times [2022-01-18 08:45:21,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:21,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784554464] [2022-01-18 08:45:21,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:21,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:21,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:21,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784554464] [2022-01-18 08:45:21,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784554464] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:21,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:21,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:45:21,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045052673] [2022-01-18 08:45:21,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:21,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:45:21,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:21,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:45:21,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:45:21,660 INFO L87 Difference]: Start difference. First operand 118789 states and 359360 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:22,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:22,706 INFO L93 Difference]: Finished difference Result 147693 states and 441460 transitions. [2022-01-18 08:45:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:45:22,706 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:22,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:23,072 INFO L225 Difference]: With dead ends: 147693 [2022-01-18 08:45:23,072 INFO L226 Difference]: Without dead ends: 147645 [2022-01-18 08:45:23,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:45:23,073 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 410 mSDsluCounter, 2030 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:23,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 2474 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:45:23,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147645 states. [2022-01-18 08:45:25,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147645 to 118885. [2022-01-18 08:45:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118885 states, 118881 states have (on average 3.024856789562672) internal successors, (359598), 118884 states have internal predecessors, (359598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118885 states to 118885 states and 359598 transitions. [2022-01-18 08:45:26,849 INFO L78 Accepts]: Start accepts. Automaton has 118885 states and 359598 transitions. Word has length 129 [2022-01-18 08:45:26,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:26,849 INFO L470 AbstractCegarLoop]: Abstraction has 118885 states and 359598 transitions. [2022-01-18 08:45:26,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 118885 states and 359598 transitions. [2022-01-18 08:45:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:27,038 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:27,039 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:27,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-18 08:45:27,039 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:27,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:27,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1624009065, now seen corresponding path program 50 times [2022-01-18 08:45:27,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:27,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649051173] [2022-01-18 08:45:27,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:27,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:27,157 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:27,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:27,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649051173] [2022-01-18 08:45:27,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649051173] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:27,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:27,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:45:27,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202285386] [2022-01-18 08:45:27,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:27,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:45:27,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:27,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:45:27,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:45:27,158 INFO L87 Difference]: Start difference. First operand 118885 states and 359598 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:28,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:28,063 INFO L93 Difference]: Finished difference Result 145639 states and 436194 transitions. [2022-01-18 08:45:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:45:28,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:28,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:28,408 INFO L225 Difference]: With dead ends: 145639 [2022-01-18 08:45:28,408 INFO L226 Difference]: Without dead ends: 145543 [2022-01-18 08:45:28,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2022-01-18 08:45:28,409 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 435 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:28,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 1380 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:45:28,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145543 states. [2022-01-18 08:45:31,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145543 to 118821. [2022-01-18 08:45:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118821 states, 118817 states have (on average 3.025173165456122) internal successors, (359442), 118820 states have internal predecessors, (359442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118821 states to 118821 states and 359442 transitions. [2022-01-18 08:45:32,017 INFO L78 Accepts]: Start accepts. Automaton has 118821 states and 359442 transitions. Word has length 129 [2022-01-18 08:45:32,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:32,017 INFO L470 AbstractCegarLoop]: Abstraction has 118821 states and 359442 transitions. [2022-01-18 08:45:32,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 118821 states and 359442 transitions. [2022-01-18 08:45:32,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:32,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:32,188 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:32,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-18 08:45:32,189 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:32,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:32,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1795483031, now seen corresponding path program 51 times [2022-01-18 08:45:32,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:32,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249515251] [2022-01-18 08:45:32,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:32,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:32,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:32,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249515251] [2022-01-18 08:45:32,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249515251] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:32,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:32,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:45:32,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306844355] [2022-01-18 08:45:32,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:32,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:45:32,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:32,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:45:32,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:45:32,293 INFO L87 Difference]: Start difference. First operand 118821 states and 359442 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:33,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:33,245 INFO L93 Difference]: Finished difference Result 147951 states and 441984 transitions. [2022-01-18 08:45:33,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 08:45:33,245 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:33,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:33,594 INFO L225 Difference]: With dead ends: 147951 [2022-01-18 08:45:33,594 INFO L226 Difference]: Without dead ends: 147809 [2022-01-18 08:45:33,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:45:33,594 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 478 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:33,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 1951 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:45:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147809 states. [2022-01-18 08:45:36,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147809 to 118773. [2022-01-18 08:45:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118773 states, 118769 states have (on average 3.025343313490894) internal successors, (359317), 118772 states have internal predecessors, (359317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118773 states to 118773 states and 359317 transitions. [2022-01-18 08:45:37,214 INFO L78 Accepts]: Start accepts. Automaton has 118773 states and 359317 transitions. Word has length 129 [2022-01-18 08:45:37,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:37,215 INFO L470 AbstractCegarLoop]: Abstraction has 118773 states and 359317 transitions. [2022-01-18 08:45:37,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 118773 states and 359317 transitions. [2022-01-18 08:45:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:37,364 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:37,364 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:37,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-18 08:45:37,365 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:37,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:37,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1467533133, now seen corresponding path program 52 times [2022-01-18 08:45:37,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:37,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000703667] [2022-01-18 08:45:37,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:37,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:37,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:37,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000703667] [2022-01-18 08:45:37,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000703667] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:37,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:37,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:45:37,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60922348] [2022-01-18 08:45:37,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:37,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:45:37,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:37,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:45:37,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:45:37,453 INFO L87 Difference]: Start difference. First operand 118773 states and 359317 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:38,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:38,543 INFO L93 Difference]: Finished difference Result 149785 states and 447537 transitions. [2022-01-18 08:45:38,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 08:45:38,544 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:38,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:39,451 INFO L225 Difference]: With dead ends: 149785 [2022-01-18 08:45:39,451 INFO L226 Difference]: Without dead ends: 149541 [2022-01-18 08:45:39,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2022-01-18 08:45:39,451 INFO L933 BasicCegarLoop]: 464 mSDtfsCounter, 568 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:39,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [568 Valid, 2208 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:45:39,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149541 states. [2022-01-18 08:45:41,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149541 to 119577. [2022-01-18 08:45:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119577 states, 119573 states have (on average 3.027581477423833) internal successors, (362017), 119576 states have internal predecessors, (362017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:42,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119577 states to 119577 states and 362017 transitions. [2022-01-18 08:45:42,481 INFO L78 Accepts]: Start accepts. Automaton has 119577 states and 362017 transitions. Word has length 129 [2022-01-18 08:45:42,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:42,481 INFO L470 AbstractCegarLoop]: Abstraction has 119577 states and 362017 transitions. [2022-01-18 08:45:42,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:42,482 INFO L276 IsEmpty]: Start isEmpty. Operand 119577 states and 362017 transitions. [2022-01-18 08:45:42,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:42,629 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:42,629 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:42,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-18 08:45:42,629 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:42,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:42,629 INFO L85 PathProgramCache]: Analyzing trace with hash -342851841, now seen corresponding path program 53 times [2022-01-18 08:45:42,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:42,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563642054] [2022-01-18 08:45:42,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:42,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:42,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:42,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563642054] [2022-01-18 08:45:42,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563642054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:42,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:42,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:45:42,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117791590] [2022-01-18 08:45:42,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:42,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:45:42,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:42,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:45:42,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:45:42,715 INFO L87 Difference]: Start difference. First operand 119577 states and 362017 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:44,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:44,251 INFO L93 Difference]: Finished difference Result 147471 states and 441573 transitions. [2022-01-18 08:45:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:45:44,252 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:44,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:44,654 INFO L225 Difference]: With dead ends: 147471 [2022-01-18 08:45:44,654 INFO L226 Difference]: Without dead ends: 147375 [2022-01-18 08:45:44,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:45:44,655 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 505 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:44,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [505 Valid, 1363 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:45:44,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147375 states. [2022-01-18 08:45:47,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147375 to 119513. [2022-01-18 08:45:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119513 states, 119509 states have (on average 3.027897480524479) internal successors, (361861), 119512 states have internal predecessors, (361861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119513 states to 119513 states and 361861 transitions. [2022-01-18 08:45:47,684 INFO L78 Accepts]: Start accepts. Automaton has 119513 states and 361861 transitions. Word has length 129 [2022-01-18 08:45:47,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:47,684 INFO L470 AbstractCegarLoop]: Abstraction has 119513 states and 361861 transitions. [2022-01-18 08:45:47,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 119513 states and 361861 transitions. [2022-01-18 08:45:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:47,831 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:47,831 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:47,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-18 08:45:47,831 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:47,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash -171377875, now seen corresponding path program 54 times [2022-01-18 08:45:47,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:47,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119420745] [2022-01-18 08:45:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:47,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:47,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:47,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119420745] [2022-01-18 08:45:47,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119420745] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:47,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:47,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:45:47,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486857286] [2022-01-18 08:45:47,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:47,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:45:47,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:47,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:45:47,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:45:47,924 INFO L87 Difference]: Start difference. First operand 119513 states and 361861 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:49,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:49,586 INFO L93 Difference]: Finished difference Result 150151 states and 448261 transitions. [2022-01-18 08:45:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 08:45:49,587 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:49,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:49,967 INFO L225 Difference]: With dead ends: 150151 [2022-01-18 08:45:49,967 INFO L226 Difference]: Without dead ends: 150011 [2022-01-18 08:45:49,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=230, Invalid=640, Unknown=0, NotChecked=0, Total=870 [2022-01-18 08:45:49,968 INFO L933 BasicCegarLoop]: 451 mSDtfsCounter, 602 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:49,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [602 Valid, 2043 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:45:50,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150011 states. [2022-01-18 08:45:52,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150011 to 119481. [2022-01-18 08:45:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119481 states, 119477 states have (on average 3.0279886505352493) internal successors, (361775), 119480 states have internal predecessors, (361775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119481 states to 119481 states and 361775 transitions. [2022-01-18 08:45:52,983 INFO L78 Accepts]: Start accepts. Automaton has 119481 states and 361775 transitions. Word has length 129 [2022-01-18 08:45:52,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:52,983 INFO L470 AbstractCegarLoop]: Abstraction has 119481 states and 361775 transitions. [2022-01-18 08:45:52,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 119481 states and 361775 transitions. [2022-01-18 08:45:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:53,139 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:53,139 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:53,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-18 08:45:53,140 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:53,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:53,140 INFO L85 PathProgramCache]: Analyzing trace with hash 326662561, now seen corresponding path program 55 times [2022-01-18 08:45:53,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:53,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734198030] [2022-01-18 08:45:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:53,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:53,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:53,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734198030] [2022-01-18 08:45:53,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734198030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:53,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:53,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:45:53,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014345462] [2022-01-18 08:45:53,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:53,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:45:53,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:53,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:45:53,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:45:53,239 INFO L87 Difference]: Start difference. First operand 119481 states and 361775 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:54,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:54,806 INFO L93 Difference]: Finished difference Result 149859 states and 447517 transitions. [2022-01-18 08:45:54,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-18 08:45:54,806 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:54,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:45:55,171 INFO L225 Difference]: With dead ends: 149859 [2022-01-18 08:45:55,171 INFO L226 Difference]: Without dead ends: 149723 [2022-01-18 08:45:55,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2022-01-18 08:45:55,171 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 572 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 2067 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:45:55,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [572 Valid, 2067 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:45:55,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149723 states. [2022-01-18 08:45:57,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149723 to 108635. [2022-01-18 08:45:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108635 states, 108631 states have (on average 3.0296508363174417) internal successors, (329114), 108634 states have internal predecessors, (329114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108635 states to 108635 states and 329114 transitions. [2022-01-18 08:45:58,036 INFO L78 Accepts]: Start accepts. Automaton has 108635 states and 329114 transitions. Word has length 129 [2022-01-18 08:45:58,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:45:58,036 INFO L470 AbstractCegarLoop]: Abstraction has 108635 states and 329114 transitions. [2022-01-18 08:45:58,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 108635 states and 329114 transitions. [2022-01-18 08:45:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:45:58,173 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:45:58,173 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:45:58,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-18 08:45:58,173 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:45:58,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:45:58,173 INFO L85 PathProgramCache]: Analyzing trace with hash 247342721, now seen corresponding path program 56 times [2022-01-18 08:45:58,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:45:58,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255395416] [2022-01-18 08:45:58,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:45:58,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:45:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:45:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:45:58,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:45:58,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255395416] [2022-01-18 08:45:58,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255395416] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:45:58,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:45:58,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:45:58,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343572311] [2022-01-18 08:45:58,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:45:58,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:45:58,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:45:58,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:45:58,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:45:58,277 INFO L87 Difference]: Start difference. First operand 108635 states and 329114 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:45:59,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:45:59,829 INFO L93 Difference]: Finished difference Result 132677 states and 398911 transitions. [2022-01-18 08:45:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 08:45:59,830 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:45:59,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:00,159 INFO L225 Difference]: With dead ends: 132677 [2022-01-18 08:46:00,159 INFO L226 Difference]: Without dead ends: 132557 [2022-01-18 08:46:00,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2022-01-18 08:46:00,159 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 562 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:00,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [562 Valid, 2064 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:00,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132557 states. [2022-01-18 08:46:02,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132557 to 108995. [2022-01-18 08:46:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108995 states, 108991 states have (on average 3.0312227615124185) internal successors, (330376), 108994 states have internal predecessors, (330376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108995 states to 108995 states and 330376 transitions. [2022-01-18 08:46:02,942 INFO L78 Accepts]: Start accepts. Automaton has 108995 states and 330376 transitions. Word has length 129 [2022-01-18 08:46:02,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:02,942 INFO L470 AbstractCegarLoop]: Abstraction has 108995 states and 330376 transitions. [2022-01-18 08:46:02,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 108995 states and 330376 transitions. [2022-01-18 08:46:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:03,080 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:03,080 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:03,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-18 08:46:03,081 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:03,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:03,081 INFO L85 PathProgramCache]: Analyzing trace with hash 509302791, now seen corresponding path program 57 times [2022-01-18 08:46:03,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:03,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131065449] [2022-01-18 08:46:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:03,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:03,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:03,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131065449] [2022-01-18 08:46:03,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131065449] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:03,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:03,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:46:03,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244923881] [2022-01-18 08:46:03,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:03,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:46:03,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:03,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:46:03,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:46:03,195 INFO L87 Difference]: Start difference. First operand 108995 states and 330376 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:04,759 INFO L93 Difference]: Finished difference Result 132997 states and 399715 transitions. [2022-01-18 08:46:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 08:46:04,759 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:04,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:05,099 INFO L225 Difference]: With dead ends: 132997 [2022-01-18 08:46:05,099 INFO L226 Difference]: Without dead ends: 132877 [2022-01-18 08:46:05,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2022-01-18 08:46:05,099 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 553 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:05,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [553 Valid, 1797 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:05,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132877 states. [2022-01-18 08:46:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132877 to 109019. [2022-01-18 08:46:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109019 states, 109015 states have (on average 3.0312342338210336) internal successors, (330450), 109018 states have internal predecessors, (330450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109019 states to 109019 states and 330450 transitions. [2022-01-18 08:46:07,871 INFO L78 Accepts]: Start accepts. Automaton has 109019 states and 330450 transitions. Word has length 129 [2022-01-18 08:46:07,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:07,871 INFO L470 AbstractCegarLoop]: Abstraction has 109019 states and 330450 transitions. [2022-01-18 08:46:07,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 109019 states and 330450 transitions. [2022-01-18 08:46:08,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:08,008 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:08,008 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:08,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-18 08:46:08,009 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:08,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:08,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1323829521, now seen corresponding path program 58 times [2022-01-18 08:46:08,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:08,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662765702] [2022-01-18 08:46:08,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:08,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:08,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:08,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662765702] [2022-01-18 08:46:08,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662765702] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:08,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:08,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:46:08,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181768672] [2022-01-18 08:46:08,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:08,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:46:08,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:08,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:46:08,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:46:08,100 INFO L87 Difference]: Start difference. First operand 109019 states and 330450 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:09,727 INFO L93 Difference]: Finished difference Result 133411 states and 400661 transitions. [2022-01-18 08:46:09,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 08:46:09,728 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:09,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:10,081 INFO L225 Difference]: With dead ends: 133411 [2022-01-18 08:46:10,081 INFO L226 Difference]: Without dead ends: 133287 [2022-01-18 08:46:10,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=265, Invalid=857, Unknown=0, NotChecked=0, Total=1122 [2022-01-18 08:46:10,082 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 649 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:10,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [649 Valid, 1912 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:10,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133287 states. [2022-01-18 08:46:12,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133287 to 109067. [2022-01-18 08:46:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109067 states, 109063 states have (on average 3.0313305153901875) internal successors, (330606), 109066 states have internal predecessors, (330606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109067 states to 109067 states and 330606 transitions. [2022-01-18 08:46:13,225 INFO L78 Accepts]: Start accepts. Automaton has 109067 states and 330606 transitions. Word has length 129 [2022-01-18 08:46:13,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:13,225 INFO L470 AbstractCegarLoop]: Abstraction has 109067 states and 330606 transitions. [2022-01-18 08:46:13,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 109067 states and 330606 transitions. [2022-01-18 08:46:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:13,406 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:13,406 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:13,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-18 08:46:13,407 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:13,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:13,407 INFO L85 PathProgramCache]: Analyzing trace with hash -756629231, now seen corresponding path program 59 times [2022-01-18 08:46:13,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:13,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809157481] [2022-01-18 08:46:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:13,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:13,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:13,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809157481] [2022-01-18 08:46:13,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809157481] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:13,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:13,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:46:13,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892570357] [2022-01-18 08:46:13,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:13,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:46:13,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:13,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:46:13,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:46:13,517 INFO L87 Difference]: Start difference. First operand 109067 states and 330606 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:14,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:14,863 INFO L93 Difference]: Finished difference Result 131787 states and 396594 transitions. [2022-01-18 08:46:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:46:14,864 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:14,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:15,260 INFO L225 Difference]: With dead ends: 131787 [2022-01-18 08:46:15,260 INFO L226 Difference]: Without dead ends: 131541 [2022-01-18 08:46:15,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2022-01-18 08:46:15,261 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 500 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 2125 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:15,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [500 Valid, 2125 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:46:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131541 states. [2022-01-18 08:46:17,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131541 to 108851. [2022-01-18 08:46:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108851 states, 108847 states have (on average 3.030914954018025) internal successors, (329906), 108850 states have internal predecessors, (329906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108851 states to 108851 states and 329906 transitions. [2022-01-18 08:46:18,024 INFO L78 Accepts]: Start accepts. Automaton has 108851 states and 329906 transitions. Word has length 129 [2022-01-18 08:46:18,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:18,024 INFO L470 AbstractCegarLoop]: Abstraction has 108851 states and 329906 transitions. [2022-01-18 08:46:18,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 108851 states and 329906 transitions. [2022-01-18 08:46:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:18,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:18,158 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:18,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-18 08:46:18,158 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:18,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:18,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2024985499, now seen corresponding path program 60 times [2022-01-18 08:46:18,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:18,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86685713] [2022-01-18 08:46:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:18,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:18,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:18,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86685713] [2022-01-18 08:46:18,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86685713] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:18,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:18,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:46:18,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767366552] [2022-01-18 08:46:18,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:18,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:46:18,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:18,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:46:18,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:46:18,245 INFO L87 Difference]: Start difference. First operand 108851 states and 329906 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:19,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:19,736 INFO L93 Difference]: Finished difference Result 130015 states and 391685 transitions. [2022-01-18 08:46:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:46:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:19,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:20,044 INFO L225 Difference]: With dead ends: 130015 [2022-01-18 08:46:20,044 INFO L226 Difference]: Without dead ends: 129979 [2022-01-18 08:46:20,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:46:20,044 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 400 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:20,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 2130 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:46:20,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129979 states. [2022-01-18 08:46:22,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129979 to 108905. [2022-01-18 08:46:22,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108905 states, 108901 states have (on average 3.030633327517654) internal successors, (330039), 108904 states have internal predecessors, (330039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108905 states to 108905 states and 330039 transitions. [2022-01-18 08:46:22,807 INFO L78 Accepts]: Start accepts. Automaton has 108905 states and 330039 transitions. Word has length 129 [2022-01-18 08:46:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:22,807 INFO L470 AbstractCegarLoop]: Abstraction has 108905 states and 330039 transitions. [2022-01-18 08:46:22,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 108905 states and 330039 transitions. [2022-01-18 08:46:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:22,944 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:22,944 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:22,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-18 08:46:22,944 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:22,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:22,945 INFO L85 PathProgramCache]: Analyzing trace with hash -900304207, now seen corresponding path program 61 times [2022-01-18 08:46:22,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:22,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729652876] [2022-01-18 08:46:22,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:22,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:23,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:23,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729652876] [2022-01-18 08:46:23,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729652876] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:23,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:23,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:46:23,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984463095] [2022-01-18 08:46:23,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:23,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:46:23,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:46:23,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:46:23,048 INFO L87 Difference]: Start difference. First operand 108905 states and 330039 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:24,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:24,438 INFO L93 Difference]: Finished difference Result 129703 states and 390926 transitions. [2022-01-18 08:46:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 08:46:24,439 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:24,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:24,760 INFO L225 Difference]: With dead ends: 129703 [2022-01-18 08:46:24,761 INFO L226 Difference]: Without dead ends: 129607 [2022-01-18 08:46:24,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-01-18 08:46:24,761 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 407 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:24,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 1564 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:24,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129607 states. [2022-01-18 08:46:27,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129607 to 108857. [2022-01-18 08:46:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108857 states, 108853 states have (on average 3.030867316472674) internal successors, (329919), 108856 states have internal predecessors, (329919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108857 states to 108857 states and 329919 transitions. [2022-01-18 08:46:27,557 INFO L78 Accepts]: Start accepts. Automaton has 108857 states and 329919 transitions. Word has length 129 [2022-01-18 08:46:27,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:27,557 INFO L470 AbstractCegarLoop]: Abstraction has 108857 states and 329919 transitions. [2022-01-18 08:46:27,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 108857 states and 329919 transitions. [2022-01-18 08:46:27,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:27,687 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:27,687 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:27,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-18 08:46:27,687 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:27,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:27,688 INFO L85 PathProgramCache]: Analyzing trace with hash 2102253587, now seen corresponding path program 62 times [2022-01-18 08:46:27,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:27,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824608095] [2022-01-18 08:46:27,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:27,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:27,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:27,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824608095] [2022-01-18 08:46:27,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824608095] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:27,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:27,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:46:27,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653893637] [2022-01-18 08:46:27,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:27,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:46:27,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:46:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:46:27,779 INFO L87 Difference]: Start difference. First operand 108857 states and 329919 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:28,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:28,522 INFO L93 Difference]: Finished difference Result 127741 states and 386098 transitions. [2022-01-18 08:46:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 08:46:28,523 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:28,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:29,439 INFO L225 Difference]: With dead ends: 127741 [2022-01-18 08:46:29,440 INFO L226 Difference]: Without dead ends: 127707 [2022-01-18 08:46:29,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-01-18 08:46:29,440 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 232 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:29,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 1423 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 08:46:29,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127707 states. [2022-01-18 08:46:31,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127707 to 108833. [2022-01-18 08:46:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108833 states, 108829 states have (on average 3.0309108785342143) internal successors, (329851), 108832 states have internal predecessors, (329851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108833 states to 108833 states and 329851 transitions. [2022-01-18 08:46:31,700 INFO L78 Accepts]: Start accepts. Automaton has 108833 states and 329851 transitions. Word has length 129 [2022-01-18 08:46:31,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:31,700 INFO L470 AbstractCegarLoop]: Abstraction has 108833 states and 329851 transitions. [2022-01-18 08:46:31,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 108833 states and 329851 transitions. [2022-01-18 08:46:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:32,316 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:32,316 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:32,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-18 08:46:32,316 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:32,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:32,316 INFO L85 PathProgramCache]: Analyzing trace with hash 18351495, now seen corresponding path program 63 times [2022-01-18 08:46:32,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:32,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914595544] [2022-01-18 08:46:32,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:32,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:32,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:32,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914595544] [2022-01-18 08:46:32,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914595544] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:32,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:32,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:46:32,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466103487] [2022-01-18 08:46:32,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:32,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:46:32,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:32,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:46:32,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:46:32,439 INFO L87 Difference]: Start difference. First operand 108833 states and 329851 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:33,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:33,305 INFO L93 Difference]: Finished difference Result 129659 states and 390816 transitions. [2022-01-18 08:46:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:46:33,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:33,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:33,606 INFO L225 Difference]: With dead ends: 129659 [2022-01-18 08:46:33,606 INFO L226 Difference]: Without dead ends: 129615 [2022-01-18 08:46:33,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2022-01-18 08:46:33,607 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 406 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:33,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 1879 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:33,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129615 states. [2022-01-18 08:46:36,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129615 to 108905. [2022-01-18 08:46:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108905 states, 108901 states have (on average 3.030578231604852) internal successors, (330033), 108904 states have internal predecessors, (330033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108905 states to 108905 states and 330033 transitions. [2022-01-18 08:46:36,461 INFO L78 Accepts]: Start accepts. Automaton has 108905 states and 330033 transitions. Word has length 129 [2022-01-18 08:46:36,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:36,461 INFO L470 AbstractCegarLoop]: Abstraction has 108905 states and 330033 transitions. [2022-01-18 08:46:36,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 108905 states and 330033 transitions. [2022-01-18 08:46:36,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:36,595 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:36,595 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:36,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-18 08:46:36,596 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:36,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:36,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1143032787, now seen corresponding path program 64 times [2022-01-18 08:46:36,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:36,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867623619] [2022-01-18 08:46:36,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:36,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:36,681 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:36,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:36,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867623619] [2022-01-18 08:46:36,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867623619] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:36,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:36,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:46:36,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327721354] [2022-01-18 08:46:36,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:36,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:46:36,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:36,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:46:36,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:46:36,682 INFO L87 Difference]: Start difference. First operand 108905 states and 330033 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:38,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:38,134 INFO L93 Difference]: Finished difference Result 129495 states and 390371 transitions. [2022-01-18 08:46:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 08:46:38,134 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:38,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:38,446 INFO L225 Difference]: With dead ends: 129495 [2022-01-18 08:46:38,447 INFO L226 Difference]: Without dead ends: 129399 [2022-01-18 08:46:38,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2022-01-18 08:46:38,447 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 368 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:38,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 1669 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:38,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129399 states. [2022-01-18 08:46:40,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129399 to 108857. [2022-01-18 08:46:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108857 states, 108853 states have (on average 3.0308121962646872) internal successors, (329913), 108856 states have internal predecessors, (329913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108857 states to 108857 states and 329913 transitions. [2022-01-18 08:46:41,252 INFO L78 Accepts]: Start accepts. Automaton has 108857 states and 329913 transitions. Word has length 129 [2022-01-18 08:46:41,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:41,253 INFO L470 AbstractCegarLoop]: Abstraction has 108857 states and 329913 transitions. [2022-01-18 08:46:41,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 108857 states and 329913 transitions. [2022-01-18 08:46:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:41,389 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:41,389 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:41,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-18 08:46:41,389 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:41,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:41,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1314506753, now seen corresponding path program 65 times [2022-01-18 08:46:41,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:41,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937941851] [2022-01-18 08:46:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:41,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:41,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:41,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937941851] [2022-01-18 08:46:41,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937941851] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:41,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:41,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:46:41,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052291743] [2022-01-18 08:46:41,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:41,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:46:41,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:41,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:46:41,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:46:41,482 INFO L87 Difference]: Start difference. First operand 108857 states and 329913 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:42,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:42,905 INFO L93 Difference]: Finished difference Result 130443 states and 392834 transitions. [2022-01-18 08:46:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-18 08:46:42,905 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:42,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:43,243 INFO L225 Difference]: With dead ends: 130443 [2022-01-18 08:46:43,244 INFO L226 Difference]: Without dead ends: 130317 [2022-01-18 08:46:43,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:46:43,244 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 417 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:43,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [417 Valid, 1690 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:43,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130317 states. [2022-01-18 08:46:45,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130317 to 108725. [2022-01-18 08:46:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108725 states, 108721 states have (on average 3.031318696479981) internal successors, (329568), 108724 states have internal predecessors, (329568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:46,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108725 states to 108725 states and 329568 transitions. [2022-01-18 08:46:46,051 INFO L78 Accepts]: Start accepts. Automaton has 108725 states and 329568 transitions. Word has length 129 [2022-01-18 08:46:46,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:46,051 INFO L470 AbstractCegarLoop]: Abstraction has 108725 states and 329568 transitions. [2022-01-18 08:46:46,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:46,052 INFO L276 IsEmpty]: Start isEmpty. Operand 108725 states and 329568 transitions. [2022-01-18 08:46:46,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:46,184 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:46,184 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:46,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-18 08:46:46,184 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:46,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:46,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1729232513, now seen corresponding path program 66 times [2022-01-18 08:46:46,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:46,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057801008] [2022-01-18 08:46:46,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:46,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:46,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057801008] [2022-01-18 08:46:46,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057801008] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:46,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:46,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:46:46,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353717656] [2022-01-18 08:46:46,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:46,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:46:46,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:46,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:46:46,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:46:46,281 INFO L87 Difference]: Start difference. First operand 108725 states and 329568 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:47,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:47,811 INFO L93 Difference]: Finished difference Result 132917 states and 399016 transitions. [2022-01-18 08:46:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-18 08:46:47,812 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:47,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:48,221 INFO L225 Difference]: With dead ends: 132917 [2022-01-18 08:46:48,221 INFO L226 Difference]: Without dead ends: 132797 [2022-01-18 08:46:48,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:46:48,222 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 649 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:48,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [649 Valid, 2156 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:48,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132797 states. [2022-01-18 08:46:50,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132797 to 108725. [2022-01-18 08:46:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108725 states, 108721 states have (on average 3.031318696479981) internal successors, (329568), 108724 states have internal predecessors, (329568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108725 states to 108725 states and 329568 transitions. [2022-01-18 08:46:51,073 INFO L78 Accepts]: Start accepts. Automaton has 108725 states and 329568 transitions. Word has length 129 [2022-01-18 08:46:51,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:51,073 INFO L470 AbstractCegarLoop]: Abstraction has 108725 states and 329568 transitions. [2022-01-18 08:46:51,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:51,073 INFO L276 IsEmpty]: Start isEmpty. Operand 108725 states and 329568 transitions. [2022-01-18 08:46:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:51,212 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:51,212 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:51,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-18 08:46:51,212 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:51,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:51,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1467272443, now seen corresponding path program 67 times [2022-01-18 08:46:51,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:51,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446978760] [2022-01-18 08:46:51,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:51,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:51,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:51,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446978760] [2022-01-18 08:46:51,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446978760] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:51,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:51,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:46:51,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226420079] [2022-01-18 08:46:51,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:51,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:46:51,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:51,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:46:51,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:46:51,303 INFO L87 Difference]: Start difference. First operand 108725 states and 329568 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:52,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:52,377 INFO L93 Difference]: Finished difference Result 133173 states and 399622 transitions. [2022-01-18 08:46:52,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 08:46:52,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:52,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:52,695 INFO L225 Difference]: With dead ends: 133173 [2022-01-18 08:46:52,695 INFO L226 Difference]: Without dead ends: 133053 [2022-01-18 08:46:52,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2022-01-18 08:46:52,695 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 649 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 2318 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:52,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [649 Valid, 2318 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133053 states. [2022-01-18 08:46:55,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133053 to 108729. [2022-01-18 08:46:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108729 states, 108725 states have (on average 3.031299149229708) internal successors, (329578), 108728 states have internal predecessors, (329578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108729 states to 108729 states and 329578 transitions. [2022-01-18 08:46:55,568 INFO L78 Accepts]: Start accepts. Automaton has 108729 states and 329578 transitions. Word has length 129 [2022-01-18 08:46:55,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:46:55,568 INFO L470 AbstractCegarLoop]: Abstraction has 108729 states and 329578 transitions. [2022-01-18 08:46:55,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:55,568 INFO L276 IsEmpty]: Start isEmpty. Operand 108729 states and 329578 transitions. [2022-01-18 08:46:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:46:56,285 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:46:56,285 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:46:56,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-18 08:46:56,286 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:46:56,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:46:56,286 INFO L85 PathProgramCache]: Analyzing trace with hash -652745713, now seen corresponding path program 68 times [2022-01-18 08:46:56,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:46:56,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723504944] [2022-01-18 08:46:56,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:46:56,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:46:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:46:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:46:56,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:46:56,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723504944] [2022-01-18 08:46:56,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723504944] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:46:56,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:46:56,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:46:56,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195373288] [2022-01-18 08:46:56,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:46:56,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:46:56,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:46:56,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:46:56,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:46:56,430 INFO L87 Difference]: Start difference. First operand 108729 states and 329578 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:46:57,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:46:57,530 INFO L93 Difference]: Finished difference Result 133769 states and 400967 transitions. [2022-01-18 08:46:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 08:46:57,530 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:46:57,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:46:57,843 INFO L225 Difference]: With dead ends: 133769 [2022-01-18 08:46:57,844 INFO L226 Difference]: Without dead ends: 133645 [2022-01-18 08:46:57,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2022-01-18 08:46:57,844 INFO L933 BasicCegarLoop]: 441 mSDtfsCounter, 682 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 2142 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:46:57,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 2142 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:46:58,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133645 states. [2022-01-18 08:47:00,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133645 to 108737. [2022-01-18 08:47:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108737 states, 108733 states have (on average 3.031296846403576) internal successors, (329602), 108736 states have internal predecessors, (329602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:00,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108737 states to 108737 states and 329602 transitions. [2022-01-18 08:47:00,734 INFO L78 Accepts]: Start accepts. Automaton has 108737 states and 329602 transitions. Word has length 129 [2022-01-18 08:47:00,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:00,735 INFO L470 AbstractCegarLoop]: Abstraction has 108737 states and 329602 transitions. [2022-01-18 08:47:00,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 108737 states and 329602 transitions. [2022-01-18 08:47:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:00,880 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:00,880 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:00,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-18 08:47:00,880 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:00,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:00,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1561762831, now seen corresponding path program 69 times [2022-01-18 08:47:00,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:00,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047616481] [2022-01-18 08:47:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:00,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:47:00,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:00,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047616481] [2022-01-18 08:47:00,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047616481] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:00,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:00,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 08:47:00,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485674961] [2022-01-18 08:47:00,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:00,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:47:00,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:00,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:47:00,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:47:00,973 INFO L87 Difference]: Start difference. First operand 108737 states and 329602 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:02,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:02,547 INFO L93 Difference]: Finished difference Result 133891 states and 401429 transitions. [2022-01-18 08:47:02,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 08:47:02,548 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:47:02,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:02,869 INFO L225 Difference]: With dead ends: 133891 [2022-01-18 08:47:02,869 INFO L226 Difference]: Without dead ends: 133645 [2022-01-18 08:47:02,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2022-01-18 08:47:02,870 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 641 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:02,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 2068 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:47:03,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133645 states. [2022-01-18 08:47:05,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133645 to 108185. [2022-01-18 08:47:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108185 states, 108181 states have (on average 3.0294783742061915) internal successors, (327732), 108184 states have internal predecessors, (327732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108185 states to 108185 states and 327732 transitions. [2022-01-18 08:47:05,704 INFO L78 Accepts]: Start accepts. Automaton has 108185 states and 327732 transitions. Word has length 129 [2022-01-18 08:47:05,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:05,704 INFO L470 AbstractCegarLoop]: Abstraction has 108185 states and 327732 transitions. [2022-01-18 08:47:05,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 108185 states and 327732 transitions. [2022-01-18 08:47:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:05,846 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:05,846 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:05,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-18 08:47:05,846 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:05,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:05,847 INFO L85 PathProgramCache]: Analyzing trace with hash -73090049, now seen corresponding path program 70 times [2022-01-18 08:47:05,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:05,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236747550] [2022-01-18 08:47:05,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:05,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-01-18 08:47:05,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:05,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236747550] [2022-01-18 08:47:05,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236747550] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:05,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:05,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:05,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435957942] [2022-01-18 08:47:05,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:05,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:05,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:05,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:05,941 INFO L87 Difference]: Start difference. First operand 108185 states and 327732 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:07,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:07,526 INFO L93 Difference]: Finished difference Result 131191 states and 394120 transitions. [2022-01-18 08:47:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 08:47:07,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) Word has length 129 [2022-01-18 08:47:07,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:07,856 INFO L225 Difference]: With dead ends: 131191 [2022-01-18 08:47:07,856 INFO L226 Difference]: Without dead ends: 131071 [2022-01-18 08:47:07,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2022-01-18 08:47:07,856 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 633 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 2415 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:07,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 2415 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:47:08,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131071 states. [2022-01-18 08:47:10,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131071 to 107897. [2022-01-18 08:47:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107897 states, 107893 states have (on average 3.029760966883857) internal successors, (326890), 107896 states have internal predecessors, (326890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107897 states to 107897 states and 326890 transitions. [2022-01-18 08:47:11,181 INFO L78 Accepts]: Start accepts. Automaton has 107897 states and 326890 transitions. Word has length 129 [2022-01-18 08:47:11,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:11,182 INFO L470 AbstractCegarLoop]: Abstraction has 107897 states and 326890 transitions. [2022-01-18 08:47:11,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 107897 states and 326890 transitions. [2022-01-18 08:47:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:11,367 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:11,368 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:11,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-18 08:47:11,368 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:11,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1157585898, now seen corresponding path program 1 times [2022-01-18 08:47:11,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:11,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739277521] [2022-01-18 08:47:11,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:11,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:47:11,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:11,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739277521] [2022-01-18 08:47:11,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739277521] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:11,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:11,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:11,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939587066] [2022-01-18 08:47:11,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:11,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:11,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:11,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:11,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:11,497 INFO L87 Difference]: Start difference. First operand 107897 states and 326890 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:13,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:13,218 INFO L93 Difference]: Finished difference Result 155424 states and 466003 transitions. [2022-01-18 08:47:13,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-18 08:47:13,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:47:13,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:13,703 INFO L225 Difference]: With dead ends: 155424 [2022-01-18 08:47:13,703 INFO L226 Difference]: Without dead ends: 155296 [2022-01-18 08:47:13,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:47:13,704 INFO L933 BasicCegarLoop]: 461 mSDtfsCounter, 648 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1935 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:13,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 1935 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:47:13,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155296 states. [2022-01-18 08:47:16,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155296 to 110541. [2022-01-18 08:47:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110541 states, 110537 states have (on average 3.031301736070275) internal successors, (335071), 110540 states have internal predecessors, (335071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110541 states to 110541 states and 335071 transitions. [2022-01-18 08:47:16,828 INFO L78 Accepts]: Start accepts. Automaton has 110541 states and 335071 transitions. Word has length 129 [2022-01-18 08:47:16,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:16,828 INFO L470 AbstractCegarLoop]: Abstraction has 110541 states and 335071 transitions. [2022-01-18 08:47:16,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 110541 states and 335071 transitions. [2022-01-18 08:47:16,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:16,974 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:16,974 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:16,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-18 08:47:16,974 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:16,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:16,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1825838354, now seen corresponding path program 2 times [2022-01-18 08:47:16,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:16,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186271134] [2022-01-18 08:47:16,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:16,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:47:17,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:17,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186271134] [2022-01-18 08:47:17,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186271134] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:17,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:17,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:17,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945810037] [2022-01-18 08:47:17,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:17,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:17,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:17,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:17,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:17,076 INFO L87 Difference]: Start difference. First operand 110541 states and 335071 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:18,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:18,892 INFO L93 Difference]: Finished difference Result 165652 states and 496235 transitions. [2022-01-18 08:47:18,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:47:18,893 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:47:18,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:19,341 INFO L225 Difference]: With dead ends: 165652 [2022-01-18 08:47:19,341 INFO L226 Difference]: Without dead ends: 165524 [2022-01-18 08:47:19,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-01-18 08:47:19,341 INFO L933 BasicCegarLoop]: 467 mSDtfsCounter, 574 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:19,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [574 Valid, 2408 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 08:47:19,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165524 states. [2022-01-18 08:47:22,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165524 to 114303. [2022-01-18 08:47:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114303 states, 114299 states have (on average 3.0331149003928295) internal successors, (346682), 114302 states have internal predecessors, (346682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114303 states to 114303 states and 346682 transitions. [2022-01-18 08:47:22,497 INFO L78 Accepts]: Start accepts. Automaton has 114303 states and 346682 transitions. Word has length 129 [2022-01-18 08:47:22,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:22,498 INFO L470 AbstractCegarLoop]: Abstraction has 114303 states and 346682 transitions. [2022-01-18 08:47:22,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 114303 states and 346682 transitions. [2022-01-18 08:47:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:22,640 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:22,640 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:22,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-18 08:47:22,640 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:22,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:22,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1240104954, now seen corresponding path program 3 times [2022-01-18 08:47:22,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:22,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006142452] [2022-01-18 08:47:22,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:22,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:47:22,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:22,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006142452] [2022-01-18 08:47:22,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006142452] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:22,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:22,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:22,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191847697] [2022-01-18 08:47:22,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:22,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:22,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:22,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:22,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:22,745 INFO L87 Difference]: Start difference. First operand 114303 states and 346682 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:24,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:24,528 INFO L93 Difference]: Finished difference Result 168884 states and 505869 transitions. [2022-01-18 08:47:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 08:47:24,529 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:47:24,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:24,941 INFO L225 Difference]: With dead ends: 168884 [2022-01-18 08:47:24,941 INFO L226 Difference]: Without dead ends: 168704 [2022-01-18 08:47:24,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=253, Invalid=803, Unknown=0, NotChecked=0, Total=1056 [2022-01-18 08:47:24,941 INFO L933 BasicCegarLoop]: 465 mSDtfsCounter, 565 mSDsluCounter, 2114 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 2571 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:24,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [565 Valid, 2571 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 08:47:25,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168704 states. [2022-01-18 08:47:27,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168704 to 119005. [2022-01-18 08:47:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119005 states, 119001 states have (on average 3.0362770060755793) internal successors, (361320), 119004 states have internal predecessors, (361320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119005 states to 119005 states and 361320 transitions. [2022-01-18 08:47:28,809 INFO L78 Accepts]: Start accepts. Automaton has 119005 states and 361320 transitions. Word has length 129 [2022-01-18 08:47:28,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:28,809 INFO L470 AbstractCegarLoop]: Abstraction has 119005 states and 361320 transitions. [2022-01-18 08:47:28,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:28,809 INFO L276 IsEmpty]: Start isEmpty. Operand 119005 states and 361320 transitions. [2022-01-18 08:47:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:28,973 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:28,973 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:28,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-18 08:47:28,974 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:28,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1723575554, now seen corresponding path program 4 times [2022-01-18 08:47:28,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:28,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755737096] [2022-01-18 08:47:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:28,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:47:29,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:29,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755737096] [2022-01-18 08:47:29,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755737096] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:29,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:29,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:29,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231162369] [2022-01-18 08:47:29,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:29,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:29,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:29,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:29,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:29,070 INFO L87 Difference]: Start difference. First operand 119005 states and 361320 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:30,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:30,217 INFO L93 Difference]: Finished difference Result 172495 states and 518916 transitions. [2022-01-18 08:47:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-18 08:47:30,218 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:47:30,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:31,243 INFO L225 Difference]: With dead ends: 172495 [2022-01-18 08:47:31,243 INFO L226 Difference]: Without dead ends: 172367 [2022-01-18 08:47:31,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:47:31,243 INFO L933 BasicCegarLoop]: 443 mSDtfsCounter, 503 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:31,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 2002 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:47:31,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172367 states. [2022-01-18 08:47:34,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172367 to 126901. [2022-01-18 08:47:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126901 states, 126897 states have (on average 3.039906380765503) internal successors, (385755), 126900 states have internal predecessors, (385755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126901 states to 126901 states and 385755 transitions. [2022-01-18 08:47:34,505 INFO L78 Accepts]: Start accepts. Automaton has 126901 states and 385755 transitions. Word has length 129 [2022-01-18 08:47:34,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:34,505 INFO L470 AbstractCegarLoop]: Abstraction has 126901 states and 385755 transitions. [2022-01-18 08:47:34,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 126901 states and 385755 transitions. [2022-01-18 08:47:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:34,648 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:34,648 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:34,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-18 08:47:34,648 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:34,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:34,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1301524160, now seen corresponding path program 5 times [2022-01-18 08:47:34,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:34,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753571027] [2022-01-18 08:47:34,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:34,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:47:34,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:34,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753571027] [2022-01-18 08:47:34,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753571027] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:34,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:34,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:34,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120069774] [2022-01-18 08:47:34,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:34,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:34,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:34,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:34,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:34,747 INFO L87 Difference]: Start difference. First operand 126901 states and 385755 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:36,626 INFO L93 Difference]: Finished difference Result 177429 states and 533775 transitions. [2022-01-18 08:47:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-18 08:47:36,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:47:36,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:37,085 INFO L225 Difference]: With dead ends: 177429 [2022-01-18 08:47:37,085 INFO L226 Difference]: Without dead ends: 177249 [2022-01-18 08:47:37,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2022-01-18 08:47:37,086 INFO L933 BasicCegarLoop]: 444 mSDtfsCounter, 494 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 2017 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:37,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [494 Valid, 2017 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:47:37,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177249 states. [2022-01-18 08:47:40,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177249 to 128653. [2022-01-18 08:47:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128653 states, 128649 states have (on average 3.0405366539965333) internal successors, (391162), 128652 states have internal predecessors, (391162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128653 states to 128653 states and 391162 transitions. [2022-01-18 08:47:41,143 INFO L78 Accepts]: Start accepts. Automaton has 128653 states and 391162 transitions. Word has length 129 [2022-01-18 08:47:41,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:41,143 INFO L470 AbstractCegarLoop]: Abstraction has 128653 states and 391162 transitions. [2022-01-18 08:47:41,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 128653 states and 391162 transitions. [2022-01-18 08:47:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:41,284 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:41,284 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:41,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-18 08:47:41,284 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:41,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:41,284 INFO L85 PathProgramCache]: Analyzing trace with hash 419878398, now seen corresponding path program 6 times [2022-01-18 08:47:41,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:41,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286636039] [2022-01-18 08:47:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:41,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:47:41,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:41,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286636039] [2022-01-18 08:47:41,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286636039] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:41,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:41,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:41,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861869038] [2022-01-18 08:47:41,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:41,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:41,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:41,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:41,398 INFO L87 Difference]: Start difference. First operand 128653 states and 391162 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:43,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:43,182 INFO L93 Difference]: Finished difference Result 171807 states and 518568 transitions. [2022-01-18 08:47:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 08:47:43,183 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:47:43,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:43,686 INFO L225 Difference]: With dead ends: 171807 [2022-01-18 08:47:43,686 INFO L226 Difference]: Without dead ends: 171659 [2022-01-18 08:47:43,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2022-01-18 08:47:43,686 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 397 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1897 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:43,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 1897 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:47:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171659 states. [2022-01-18 08:47:46,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171659 to 133459. [2022-01-18 08:47:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133459 states, 133455 states have (on average 3.0432879997002735) internal successors, (406142), 133458 states have internal predecessors, (406142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133459 states to 133459 states and 406142 transitions. [2022-01-18 08:47:46,945 INFO L78 Accepts]: Start accepts. Automaton has 133459 states and 406142 transitions. Word has length 129 [2022-01-18 08:47:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:46,946 INFO L470 AbstractCegarLoop]: Abstraction has 133459 states and 406142 transitions. [2022-01-18 08:47:46,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 133459 states and 406142 transitions. [2022-01-18 08:47:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:47,093 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:47,093 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:47,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-18 08:47:47,093 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:47,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:47,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2135096926, now seen corresponding path program 7 times [2022-01-18 08:47:47,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:47,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141029783] [2022-01-18 08:47:47,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:47,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:47:47,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:47,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141029783] [2022-01-18 08:47:47,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141029783] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:47,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:47,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:47,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756958705] [2022-01-18 08:47:47,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:47,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:47,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:47,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:47,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:47,198 INFO L87 Difference]: Start difference. First operand 133459 states and 406142 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:49,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:49,188 INFO L93 Difference]: Finished difference Result 209383 states and 627123 transitions. [2022-01-18 08:47:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 08:47:49,188 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:47:49,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:49,777 INFO L225 Difference]: With dead ends: 209383 [2022-01-18 08:47:49,777 INFO L226 Difference]: Without dead ends: 209255 [2022-01-18 08:47:49,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:47:49,777 INFO L933 BasicCegarLoop]: 460 mSDtfsCounter, 550 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:49,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [550 Valid, 2100 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 08:47:50,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209255 states. [2022-01-18 08:47:53,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209255 to 134355. [2022-01-18 08:47:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134355 states, 134351 states have (on average 3.0377965180757864) internal successors, (408131), 134354 states have internal predecessors, (408131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:54,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134355 states to 134355 states and 408131 transitions. [2022-01-18 08:47:54,010 INFO L78 Accepts]: Start accepts. Automaton has 134355 states and 408131 transitions. Word has length 129 [2022-01-18 08:47:54,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:47:54,010 INFO L470 AbstractCegarLoop]: Abstraction has 134355 states and 408131 transitions. [2022-01-18 08:47:54,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:54,011 INFO L276 IsEmpty]: Start isEmpty. Operand 134355 states and 408131 transitions. [2022-01-18 08:47:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:47:54,785 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:47:54,785 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:47:54,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-18 08:47:54,786 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:47:54,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:47:54,786 INFO L85 PathProgramCache]: Analyzing trace with hash 865229344, now seen corresponding path program 8 times [2022-01-18 08:47:54,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:47:54,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868997286] [2022-01-18 08:47:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:47:54,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:47:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:47:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:47:54,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:47:54,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868997286] [2022-01-18 08:47:54,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868997286] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:47:54,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:47:54,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:47:54,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737439148] [2022-01-18 08:47:54,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:47:54,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:47:54,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:47:54,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:47:54,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:47:54,902 INFO L87 Difference]: Start difference. First operand 134355 states and 408131 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:47:56,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:47:56,370 INFO L93 Difference]: Finished difference Result 200605 states and 599342 transitions. [2022-01-18 08:47:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 08:47:56,371 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:47:56,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:47:57,612 INFO L225 Difference]: With dead ends: 200605 [2022-01-18 08:47:57,613 INFO L226 Difference]: Without dead ends: 200425 [2022-01-18 08:47:57,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2022-01-18 08:47:57,613 INFO L933 BasicCegarLoop]: 461 mSDtfsCounter, 561 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:47:57,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 2434 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:47:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200425 states. [2022-01-18 08:48:00,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200425 to 123389. [2022-01-18 08:48:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123389 states, 123385 states have (on average 3.0305223487457957) internal successors, (373921), 123388 states have internal predecessors, (373921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123389 states to 123389 states and 373921 transitions. [2022-01-18 08:48:00,984 INFO L78 Accepts]: Start accepts. Automaton has 123389 states and 373921 transitions. Word has length 129 [2022-01-18 08:48:00,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:48:00,984 INFO L470 AbstractCegarLoop]: Abstraction has 123389 states and 373921 transitions. [2022-01-18 08:48:00,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 123389 states and 373921 transitions. [2022-01-18 08:48:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:48:01,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:48:01,137 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:48:01,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-18 08:48:01,137 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:48:01,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:48:01,137 INFO L85 PathProgramCache]: Analyzing trace with hash -16416418, now seen corresponding path program 9 times [2022-01-18 08:48:01,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:48:01,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188771154] [2022-01-18 08:48:01,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:48:01,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:48:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:48:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:48:01,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:48:01,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188771154] [2022-01-18 08:48:01,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188771154] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:48:01,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:48:01,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:48:01,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605534159] [2022-01-18 08:48:01,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:48:01,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:48:01,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:48:01,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:48:01,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:48:01,231 INFO L87 Difference]: Start difference. First operand 123389 states and 373921 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:03,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:48:03,002 INFO L93 Difference]: Finished difference Result 183419 states and 547810 transitions. [2022-01-18 08:48:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 08:48:03,002 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:48:03,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:48:03,458 INFO L225 Difference]: With dead ends: 183419 [2022-01-18 08:48:03,458 INFO L226 Difference]: Without dead ends: 183271 [2022-01-18 08:48:03,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2022-01-18 08:48:03,459 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 440 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 2038 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:48:03,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 2038 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:48:03,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183271 states. [2022-01-18 08:48:06,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183271 to 118569. [2022-01-18 08:48:07,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118569 states, 118565 states have (on average 3.0291907392569475) internal successors, (359156), 118568 states have internal predecessors, (359156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118569 states to 118569 states and 359156 transitions. [2022-01-18 08:48:07,441 INFO L78 Accepts]: Start accepts. Automaton has 118569 states and 359156 transitions. Word has length 129 [2022-01-18 08:48:07,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:48:07,442 INFO L470 AbstractCegarLoop]: Abstraction has 118569 states and 359156 transitions. [2022-01-18 08:48:07,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:07,442 INFO L276 IsEmpty]: Start isEmpty. Operand 118569 states and 359156 transitions. [2022-01-18 08:48:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:48:07,586 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:48:07,586 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:48:07,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-18 08:48:07,586 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:48:07,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:48:07,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1031746582, now seen corresponding path program 10 times [2022-01-18 08:48:07,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:48:07,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125277584] [2022-01-18 08:48:07,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:48:07,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:48:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:48:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:48:07,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:48:07,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125277584] [2022-01-18 08:48:07,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125277584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:48:07,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:48:07,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:48:07,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782970271] [2022-01-18 08:48:07,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:48:07,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:48:07,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:48:07,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:48:07,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:48:07,679 INFO L87 Difference]: Start difference. First operand 118569 states and 359156 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:09,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:48:09,452 INFO L93 Difference]: Finished difference Result 176321 states and 526383 transitions. [2022-01-18 08:48:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 08:48:09,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:48:09,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:48:09,947 INFO L225 Difference]: With dead ends: 176321 [2022-01-18 08:48:09,947 INFO L226 Difference]: Without dead ends: 176173 [2022-01-18 08:48:09,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=232, Invalid=638, Unknown=0, NotChecked=0, Total=870 [2022-01-18 08:48:09,947 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 506 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 08:48:09,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [506 Valid, 1996 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 08:48:10,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176173 states. [2022-01-18 08:48:12,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176173 to 118285. [2022-01-18 08:48:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118285 states, 118281 states have (on average 3.0284322925913716) internal successors, (358206), 118284 states have internal predecessors, (358206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118285 states to 118285 states and 358206 transitions. [2022-01-18 08:48:13,194 INFO L78 Accepts]: Start accepts. Automaton has 118285 states and 358206 transitions. Word has length 129 [2022-01-18 08:48:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:48:13,194 INFO L470 AbstractCegarLoop]: Abstraction has 118285 states and 358206 transitions. [2022-01-18 08:48:13,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 118285 states and 358206 transitions. [2022-01-18 08:48:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:48:13,347 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:48:13,347 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:48:13,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-18 08:48:13,347 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:48:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:48:13,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1041316370, now seen corresponding path program 11 times [2022-01-18 08:48:13,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:48:13,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364120072] [2022-01-18 08:48:13,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:48:13,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:48:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:48:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:48:13,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:48:13,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364120072] [2022-01-18 08:48:13,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364120072] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:48:13,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348554456] [2022-01-18 08:48:13,605 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-18 08:48:13,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:48:13,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:48:13,607 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:48:13,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-01-18 08:48:14,277 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-01-18 08:48:14,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:48:14,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 32 conjunts are in the unsatisfiable core [2022-01-18 08:48:14,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:48:15,105 INFO L353 Elim1Store]: treesize reduction 23, result has 54.0 percent of original size [2022-01-18 08:48:15,105 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2022-01-18 08:48:15,126 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 08:48:15,127 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2022-01-18 08:48:15,171 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2022-01-18 08:48:15,235 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:48:15,314 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2022-01-18 08:48:15,319 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 08:48:15,491 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:48:15,491 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2022-01-18 08:48:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:48:15,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:48:15,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348554456] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:48:15,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:48:15,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [16] total 26 [2022-01-18 08:48:15,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496617375] [2022-01-18 08:48:15,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:48:15,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 08:48:15,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:48:15,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 08:48:15,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-01-18 08:48:15,516 INFO L87 Difference]: Start difference. First operand 118285 states and 358206 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:16,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:48:16,707 INFO L93 Difference]: Finished difference Result 205986 states and 623430 transitions. [2022-01-18 08:48:16,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 08:48:16,707 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:48:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:48:17,887 INFO L225 Difference]: With dead ends: 205986 [2022-01-18 08:48:17,888 INFO L226 Difference]: Without dead ends: 205784 [2022-01-18 08:48:17,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2022-01-18 08:48:17,888 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 423 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 134 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:48:17,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 2065 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 391 Invalid, 0 Unknown, 134 Unchecked, 0.2s Time] [2022-01-18 08:48:18,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205784 states. [2022-01-18 08:48:20,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205784 to 124083. [2022-01-18 08:48:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124083 states, 124079 states have (on average 3.0325840794977394) internal successors, (376280), 124082 states have internal predecessors, (376280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124083 states to 124083 states and 376280 transitions. [2022-01-18 08:48:21,349 INFO L78 Accepts]: Start accepts. Automaton has 124083 states and 376280 transitions. Word has length 129 [2022-01-18 08:48:21,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:48:21,350 INFO L470 AbstractCegarLoop]: Abstraction has 124083 states and 376280 transitions. [2022-01-18 08:48:21,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 124083 states and 376280 transitions. [2022-01-18 08:48:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:48:21,539 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:48:21,539 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:48:21,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-01-18 08:48:21,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:48:21,739 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:48:21,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:48:21,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1720326940, now seen corresponding path program 12 times [2022-01-18 08:48:21,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:48:21,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113880696] [2022-01-18 08:48:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:48:21,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:48:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:48:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-01-18 08:48:22,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:48:22,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113880696] [2022-01-18 08:48:22,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113880696] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:48:22,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763034916] [2022-01-18 08:48:22,058 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-18 08:48:22,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:48:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:48:22,060 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:48:22,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-01-18 08:48:22,207 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-18 08:48:22,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:48:22,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 32 conjunts are in the unsatisfiable core [2022-01-18 08:48:22,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:48:23,794 INFO L353 Elim1Store]: treesize reduction 23, result has 54.0 percent of original size [2022-01-18 08:48:23,795 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2022-01-18 08:48:23,819 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:48:23,852 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2022-01-18 08:48:27,966 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:48:27,966 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 54 [2022-01-18 08:48:27,984 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:48:27,994 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 08:48:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:48:28,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:48:28,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763034916] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:48:28,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:48:28,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 29 [2022-01-18 08:48:28,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723061631] [2022-01-18 08:48:28,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:48:28,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 08:48:28,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:48:28,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 08:48:28,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=707, Unknown=2, NotChecked=0, Total=812 [2022-01-18 08:48:28,017 INFO L87 Difference]: Start difference. First operand 124083 states and 376280 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:33,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:48:33,015 INFO L93 Difference]: Finished difference Result 165954 states and 500908 transitions. [2022-01-18 08:48:33,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 08:48:33,015 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:48:33,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:48:33,424 INFO L225 Difference]: With dead ends: 165954 [2022-01-18 08:48:33,424 INFO L226 Difference]: Without dead ends: 165792 [2022-01-18 08:48:33,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=189, Invalid=1139, Unknown=4, NotChecked=0, Total=1332 [2022-01-18 08:48:33,425 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 520 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:48:33,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [520 Valid, 1752 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 369 Invalid, 0 Unknown, 118 Unchecked, 0.2s Time] [2022-01-18 08:48:34,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165792 states. [2022-01-18 08:48:36,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165792 to 124349. [2022-01-18 08:48:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124349 states, 124345 states have (on average 3.032281153242993) internal successors, (377049), 124348 states have internal predecessors, (377049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124349 states to 124349 states and 377049 transitions. [2022-01-18 08:48:37,290 INFO L78 Accepts]: Start accepts. Automaton has 124349 states and 377049 transitions. Word has length 129 [2022-01-18 08:48:37,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:48:37,290 INFO L470 AbstractCegarLoop]: Abstraction has 124349 states and 377049 transitions. [2022-01-18 08:48:37,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 124349 states and 377049 transitions. [2022-01-18 08:48:37,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:48:37,470 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:48:37,470 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:48:37,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-01-18 08:48:37,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2022-01-18 08:48:37,671 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:48:37,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:48:37,672 INFO L85 PathProgramCache]: Analyzing trace with hash 746371954, now seen corresponding path program 13 times [2022-01-18 08:48:37,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:48:37,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733717181] [2022-01-18 08:48:37,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:48:37,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:48:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:48:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-01-18 08:48:38,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:48:38,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733717181] [2022-01-18 08:48:38,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733717181] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:48:38,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640310717] [2022-01-18 08:48:38,154 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-18 08:48:38,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:48:38,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:48:38,156 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:48:38,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-01-18 08:48:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:48:38,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 32 conjunts are in the unsatisfiable core [2022-01-18 08:48:38,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:48:39,076 INFO L353 Elim1Store]: treesize reduction 23, result has 54.0 percent of original size [2022-01-18 08:48:39,076 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2022-01-18 08:48:39,095 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-18 08:48:39,177 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:48:39,178 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2022-01-18 08:48:39,187 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-01-18 08:48:39,251 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-01-18 08:48:39,286 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2022-01-18 08:48:45,637 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 08:48:45,638 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 54 [2022-01-18 08:48:45,646 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2022-01-18 08:48:45,668 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 08:48:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:48:45,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 08:48:45,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640310717] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:48:45,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:48:45,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [21] total 31 [2022-01-18 08:48:45,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625765903] [2022-01-18 08:48:45,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:48:45,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 08:48:45,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:48:45,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 08:48:45,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=834, Unknown=1, NotChecked=0, Total=930 [2022-01-18 08:48:45,696 INFO L87 Difference]: Start difference. First operand 124349 states and 377049 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:54,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:48:54,116 INFO L93 Difference]: Finished difference Result 203980 states and 614259 transitions. [2022-01-18 08:48:54,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 08:48:54,117 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:48:54,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:48:54,664 INFO L225 Difference]: With dead ends: 203980 [2022-01-18 08:48:54,664 INFO L226 Difference]: Without dead ends: 203818 [2022-01-18 08:48:54,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=187, Invalid=1370, Unknown=3, NotChecked=0, Total=1560 [2022-01-18 08:48:54,664 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 462 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 2459 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 329 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:48:54,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 2459 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 289 Invalid, 0 Unknown, 329 Unchecked, 0.2s Time] [2022-01-18 08:48:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203818 states. [2022-01-18 08:48:58,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203818 to 127321. [2022-01-18 08:48:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127321 states, 127317 states have (on average 3.033546187861794) internal successors, (386222), 127320 states have internal predecessors, (386222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127321 states to 127321 states and 386222 transitions. [2022-01-18 08:48:58,759 INFO L78 Accepts]: Start accepts. Automaton has 127321 states and 386222 transitions. Word has length 129 [2022-01-18 08:48:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:48:58,759 INFO L470 AbstractCegarLoop]: Abstraction has 127321 states and 386222 transitions. [2022-01-18 08:48:58,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:48:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 127321 states and 386222 transitions. [2022-01-18 08:48:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:48:58,939 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:48:58,939 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:48:58,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-01-18 08:48:59,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2022-01-18 08:48:59,140 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:48:59,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:48:59,140 INFO L85 PathProgramCache]: Analyzing trace with hash 789028295, now seen corresponding path program 71 times [2022-01-18 08:48:59,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:48:59,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959648192] [2022-01-18 08:48:59,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:48:59,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:48:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:48:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 08:48:59,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:48:59,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959648192] [2022-01-18 08:48:59,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959648192] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:48:59,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:48:59,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 08:48:59,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306114473] [2022-01-18 08:48:59,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:48:59,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 08:48:59,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:48:59,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 08:48:59,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-18 08:48:59,249 INFO L87 Difference]: Start difference. First operand 127321 states and 386222 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:49:01,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:49:01,136 INFO L93 Difference]: Finished difference Result 168911 states and 507138 transitions. [2022-01-18 08:49:01,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 08:49:01,136 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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) Word has length 129 [2022-01-18 08:49:01,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:49:01,584 INFO L225 Difference]: With dead ends: 168911 [2022-01-18 08:49:01,584 INFO L226 Difference]: Without dead ends: 168467 [2022-01-18 08:49:01,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2022-01-18 08:49:01,584 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 648 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 2275 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:49:01,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 2275 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 08:49:01,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168467 states. [2022-01-18 08:49:04,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168467 to 129318. [2022-01-18 08:49:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129318 states, 129314 states have (on average 3.0292621061911316) internal successors, (391726), 129317 states have internal predecessors, (391726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:49:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129318 states to 129318 states and 391726 transitions. [2022-01-18 08:49:04,829 INFO L78 Accepts]: Start accepts. Automaton has 129318 states and 391726 transitions. Word has length 129 [2022-01-18 08:49:04,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:49:04,830 INFO L470 AbstractCegarLoop]: Abstraction has 129318 states and 391726 transitions. [2022-01-18 08:49:04,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:49:04,830 INFO L276 IsEmpty]: Start isEmpty. Operand 129318 states and 391726 transitions. [2022-01-18 08:49:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-18 08:49:05,022 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:49:05,022 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:49:05,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-18 08:49:05,022 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:49:05,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:49:05,023 INFO L85 PathProgramCache]: Analyzing trace with hash -544357404, now seen corresponding path program 14 times [2022-01-18 08:49:05,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:49:05,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064950134] [2022-01-18 08:49:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:49:05,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:49:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-01-18 08:49:05,804 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-01-18 08:49:05,805 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 08:49:05,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-18 08:49:05,805 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 130 with TraceHistMax 2,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 21ms.. [2022-01-18 08:49:05,806 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-18 08:49:05,806 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-18 08:49:05,806 INFO L732 BasicCegarLoop]: Path program histogram: [71, 14, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:49:05,806 INFO L308 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT,TIMEOUT,TIMEOUT (1/2) [2022-01-18 08:49:05,807 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2022-01-18 08:49:05,807 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 08:49:05,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-18 08:49:05,807 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing initial abstraction,while executing BasicCegarLoop. [2022-01-18 08:49:05,807 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-01-18 08:49:05,807 INFO L732 BasicCegarLoop]: Path program histogram: [] [2022-01-18 08:49:05,807 INFO L308 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2022-01-18 08:49:05,807 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-01-18 08:49:05,808 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 08:49:05,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 08:49:05 BasicIcfg [2022-01-18 08:49:05,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 08:49:05,810 INFO L158 Benchmark]: Toolchain (without parser) took 646606.16ms. Allocated memory was 364.9MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 306.8MB in the beginning and 5.9GB in the end (delta: -5.6GB). Peak memory consumption was 10.1GB. Max. memory is 16.0GB. [2022-01-18 08:49:05,810 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 364.9MB. Free memory is still 324.4MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 08:49:05,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.46ms. Allocated memory was 364.9MB in the beginning and 438.3MB in the end (delta: 73.4MB). Free memory was 306.6MB in the beginning and 399.8MB in the end (delta: -93.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. [2022-01-18 08:49:05,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.20ms. Allocated memory is still 438.3MB. Free memory was 398.7MB in the beginning and 396.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 08:49:05,811 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 438.3MB. Free memory was 396.6MB in the beginning and 395.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 08:49:05,811 INFO L158 Benchmark]: RCFGBuilder took 420.81ms. Allocated memory is still 438.3MB. Free memory was 395.6MB in the beginning and 377.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2022-01-18 08:49:05,811 INFO L158 Benchmark]: TraceAbstraction took 645711.91ms. Allocated memory was 438.3MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 376.7MB in the beginning and 5.9GB in the end (delta: -5.5GB). Peak memory consumption was 10.0GB. Max. memory is 16.0GB. [2022-01-18 08:49:05,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 364.9MB. Free memory is still 324.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 400.46ms. Allocated memory was 364.9MB in the beginning and 438.3MB in the end (delta: 73.4MB). Free memory was 306.6MB in the beginning and 399.8MB in the end (delta: -93.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 43.20ms. Allocated memory is still 438.3MB. Free memory was 398.7MB in the beginning and 396.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 438.3MB. Free memory was 396.6MB in the beginning and 395.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 420.81ms. Allocated memory is still 438.3MB. Free memory was 395.6MB in the beginning and 377.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 645711.91ms. Allocated memory was 438.3MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 376.7MB in the beginning and 5.9GB in the end (delta: -5.5GB). Peak memory consumption was 10.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 130 with TraceHistMax 2,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 21ms.. - TimeoutResultAtElement [Line: 740]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing initial abstraction,while executing BasicCegarLoop. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 146 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1280 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1280 mSDsluCounter, 5503 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 689 IncrementalHoareTripleChecker+Unchecked, 4337 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1418 IncrementalHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 1170 mSDtfsCounter, 1418 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 844 GetRequests, 662 SyntacticMatches, 7 SemanticMatches, 175 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=769occurred in iteration=7, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 478 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 1342 NumberOfCodeBlocks, 1342 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1575 ConstructedInterpolants, 58 QuantifiedInterpolants, 12275 SizeOfPredicates, 68 NumberOfNonLiveVariables, 1028 ConjunctsInSsa, 152 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 195/225 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 200 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 633.6s, OverallIterations: 113, TraceHistogramMax: 3, PathProgramHistogramMax: 71, EmptinessCheckTime: 20.4s, AutomataDifference: 226.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82535 SdHoareTripleChecker+Valid, 38.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82535 mSDsluCounter, 296547 SdHoareTripleChecker+Invalid, 30.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 20795 IncrementalHoareTripleChecker+Unchecked, 247308 mSDsCounter, 2476 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71345 IncrementalHoareTripleChecker+Invalid, 94616 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2476 mSolverCounterUnsat, 50226 mSDtfsCounter, 71345 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7991 GetRequests, 4835 SyntacticMatches, 72 SemanticMatches, 3084 ConstructedPredicates, 16 IntricatePredicates, 9 DeprecatedPredicates, 34973 ImplicationChecksByTransitivity, 62.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136010occurred in iteration=14, InterpolantAutomatonStates: 2912, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 319.8s AutomataMinimizationTime, 112 MinimizatonAttempts, 4287450 StatesRemovedByMinimization, 109 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 55.0s InterpolantComputationTime, 15541 NumberOfCodeBlocks, 15228 NumberOfCodeBlocksAsserted, 136 NumberOfCheckSat, 16788 ConstructedInterpolants, 452 QuantifiedInterpolants, 137756 SizeOfPredicates, 382 NumberOfNonLiveVariables, 4805 ConjunctsInSsa, 843 ConjunctsInUnsatCore, 148 InterpolantComputations, 98 PerfectInterpolantSequences, 3383/3508 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 146 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=461occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 2 thread instances CFG has 4 procedures, 200 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-01-18 08:49:05,829 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 08:49:05,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0