/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:43:04,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:43:04,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:43:04,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:43:04,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:43:04,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:43:04,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:43:04,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:43:04,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:43:04,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:43:04,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:43:04,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:43:04,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:43:04,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:43:04,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:43:04,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:43:04,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:43:04,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:43:04,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:43:04,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:43:04,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:43:04,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:43:04,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:43:04,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:43:04,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:43:04,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:43:04,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:43:04,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:43:04,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:43:04,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:43:04,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:43:04,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:43:04,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:43:04,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:43:04,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:43:04,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:43:04,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:43:04,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:43:04,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:43:04,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:43:04,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:43:04,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:43:04,492 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:43:04,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:43:04,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:43:04,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:43:04,494 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:43:04,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:43:04,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:43:04,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:43:04,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:43:04,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:43:04,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:43:04,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:43:04,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:43:04,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:43:04,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:43:04,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:43:04,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:43:04,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:43:04,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:43:04,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:43:04,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:43:04,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:43:04,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:43:04,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:43:04,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:43:04,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:43:04,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:43:04,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:43:04,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:43:04,501 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:43:04,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:43:04,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:43:04,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:43:04,956 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:43:04,957 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:43:04,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-27 20:43:05,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71f3c685f/77ebf70b320c42499052d099a7440dd9/FLAG64394e869 [2020-10-27 20:43:05,808 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:43:05,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-27 20:43:05,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71f3c685f/77ebf70b320c42499052d099a7440dd9/FLAG64394e869 [2020-10-27 20:43:06,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71f3c685f/77ebf70b320c42499052d099a7440dd9 [2020-10-27 20:43:06,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:43:06,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:43:06,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:43:06,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:43:06,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:43:06,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e3d02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06, skipping insertion in model container [2020-10-27 20:43:06,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:43:06,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:43:06,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:43:06,473 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:43:06,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:43:06,691 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:43:06,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06 WrapperNode [2020-10-27 20:43:06,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:43:06,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:43:06,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:43:06,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:43:06,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (1/1) ... [2020-10-27 20:43:06,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:43:06,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:43:06,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:43:06,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:43:06,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:43:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:43:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:43:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:43:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-27 20:43:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-27 20:43:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-27 20:43:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:43:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-27 20:43:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-27 20:43:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-27 20:43:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-27 20:43:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-27 20:43:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-27 20:43:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-10-27 20:43:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-10-27 20:43:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-10-27 20:43:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-27 20:43:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-10-27 20:43:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-27 20:43:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:43:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:43:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:43:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:43:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 20:43:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:43:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 20:43:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-27 20:43:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-27 20:43:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-27 20:43:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-27 20:43:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-27 20:43:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-27 20:43:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-10-27 20:43:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-10-27 20:43:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-10-27 20:43:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-10-27 20:43:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-27 20:43:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-27 20:43:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-27 20:43:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-27 20:43:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:43:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-27 20:43:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:43:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:43:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:43:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:43:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:43:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:43:07,348 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:07,613 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-27 20:43:07,613 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-27 20:43:07,624 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:07,703 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 20:43:07,704 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 20:43:07,865 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:07,889 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-27 20:43:07,889 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-27 20:43:07,898 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:08,014 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-27 20:43:08,014 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-27 20:43:08,019 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:08,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-27 20:43:08,046 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-27 20:43:08,051 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:08,081 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 20:43:08,081 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 20:43:08,132 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:43:08,133 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 20:43:08,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:43:08 BoogieIcfgContainer [2020-10-27 20:43:08,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:43:08,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:43:08,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:43:08,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:43:08,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:43:06" (1/3) ... [2020-10-27 20:43:08,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4ffed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:43:08, skipping insertion in model container [2020-10-27 20:43:08,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:06" (2/3) ... [2020-10-27 20:43:08,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4ffed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:43:08, skipping insertion in model container [2020-10-27 20:43:08,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:43:08" (3/3) ... [2020-10-27 20:43:08,145 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-10-27 20:43:08,157 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:43:08,163 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:43:08,177 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:43:08,207 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:43:08,207 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:43:08,207 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:43:08,207 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:43:08,208 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:43:08,208 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:43:08,211 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:43:08,211 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:43:08,236 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states. [2020-10-27 20:43:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-27 20:43:08,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:08,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:43:08,245 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:08,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:08,252 INFO L82 PathProgramCache]: Analyzing trace with hash -2097743147, now seen corresponding path program 1 times [2020-10-27 20:43:08,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:08,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533664369] [2020-10-27 20:43:08,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:08,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:08,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:08,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:08,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:08,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:09,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:09,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:09,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:43:09,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:43:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1112 [2020-10-27 20:43:09,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 20:43:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:09,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:43:09,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:09,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:09,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:09,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:09,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:43:09,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:09,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:09,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:09,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:09,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:09,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:09,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:09,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:09,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:09,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533664369] [2020-10-27 20:43:09,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:09,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 20:43:09,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15422002] [2020-10-27 20:43:09,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 20:43:09,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:09,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 20:43:09,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 20:43:09,855 INFO L87 Difference]: Start difference. First operand 243 states. Second operand 5 states. [2020-10-27 20:43:10,022 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 20:43:10,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:10,979 INFO L93 Difference]: Finished difference Result 414 states and 620 transitions. [2020-10-27 20:43:10,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 20:43:10,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-27 20:43:10,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:10,996 INFO L225 Difference]: With dead ends: 414 [2020-10-27 20:43:10,996 INFO L226 Difference]: Without dead ends: 214 [2020-10-27 20:43:11,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:43:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-27 20:43:11,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 187. [2020-10-27 20:43:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-27 20:43:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 265 transitions. [2020-10-27 20:43:11,114 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 265 transitions. Word has length 21 [2020-10-27 20:43:11,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:11,114 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 265 transitions. [2020-10-27 20:43:11,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 20:43:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 265 transitions. [2020-10-27 20:43:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 20:43:11,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:11,116 INFO L422 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] [2020-10-27 20:43:11,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:43:11,117 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:11,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:11,118 INFO L82 PathProgramCache]: Analyzing trace with hash -360253698, now seen corresponding path program 1 times [2020-10-27 20:43:11,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:11,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071249028] [2020-10-27 20:43:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:11,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:11,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:11,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 20:43:11,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:11,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-27 20:43:11,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:11,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:43:11,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 20:43:11,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:43:11,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:11,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:11,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:11,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:11,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:43:11,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:11,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:11,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:11,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:11,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:11,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:11,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:11,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:11,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:11,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:11,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:11,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:11,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:11,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:11,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:11,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:11,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071249028] [2020-10-27 20:43:11,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:11,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:43:11,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806387095] [2020-10-27 20:43:11,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:43:11,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:11,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:43:11,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:11,648 INFO L87 Difference]: Start difference. First operand 187 states and 265 transitions. Second operand 6 states. [2020-10-27 20:43:11,798 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 20:43:12,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:12,632 INFO L93 Difference]: Finished difference Result 305 states and 420 transitions. [2020-10-27 20:43:12,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 20:43:12,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-27 20:43:12,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:12,636 INFO L225 Difference]: With dead ends: 305 [2020-10-27 20:43:12,636 INFO L226 Difference]: Without dead ends: 244 [2020-10-27 20:43:12,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:12,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-27 20:43:12,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 221. [2020-10-27 20:43:12,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-27 20:43:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 299 transitions. [2020-10-27 20:43:12,688 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 299 transitions. Word has length 29 [2020-10-27 20:43:12,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:12,689 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 299 transitions. [2020-10-27 20:43:12,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:43:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 299 transitions. [2020-10-27 20:43:12,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 20:43:12,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:12,691 INFO L422 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] [2020-10-27 20:43:12,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:43:12,691 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:12,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1068199997, now seen corresponding path program 1 times [2020-10-27 20:43:12,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:12,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529760611] [2020-10-27 20:43:12,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:12,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:12,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:12,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:43:12,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:12,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-27 20:43:12,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 20:43:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:43:12,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:13,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:13,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:13,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:13,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:13,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:13,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:13,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:13,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:13,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:13,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:13,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:13,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:13,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:13,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:13,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:13,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:13,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:13,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:13,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:13,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:13,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:13,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:13,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:13,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:13,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:13,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529760611] [2020-10-27 20:43:13,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:13,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:43:13,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559050337] [2020-10-27 20:43:13,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:43:13,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:13,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:43:13,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:13,202 INFO L87 Difference]: Start difference. First operand 221 states and 299 transitions. Second operand 6 states. [2020-10-27 20:43:13,343 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 20:43:14,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:14,066 INFO L93 Difference]: Finished difference Result 291 states and 381 transitions. [2020-10-27 20:43:14,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 20:43:14,067 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-27 20:43:14,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:14,070 INFO L225 Difference]: With dead ends: 291 [2020-10-27 20:43:14,070 INFO L226 Difference]: Without dead ends: 240 [2020-10-27 20:43:14,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:14,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-27 20:43:14,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 202. [2020-10-27 20:43:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-27 20:43:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 271 transitions. [2020-10-27 20:43:14,112 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 271 transitions. Word has length 29 [2020-10-27 20:43:14,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:14,112 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 271 transitions. [2020-10-27 20:43:14,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:43:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 271 transitions. [2020-10-27 20:43:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 20:43:14,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:14,115 INFO L422 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] [2020-10-27 20:43:14,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:43:14,116 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:14,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:14,116 INFO L82 PathProgramCache]: Analyzing trace with hash -397096216, now seen corresponding path program 1 times [2020-10-27 20:43:14,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:14,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428519469] [2020-10-27 20:43:14,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:14,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:14,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 20:43:14,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:14,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 20:43:14,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:14,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:14,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 20:43:14,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:43:14,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:14,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:14,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:14,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:14,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:14,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:43:14,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:14,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:14,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:14,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:14,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:14,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:14,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:14,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:14,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:14,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:14,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:14,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:14,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:14,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:14,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:14,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:14,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:14,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:14,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:14,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:14,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:14,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428519469] [2020-10-27 20:43:14,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:14,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:43:14,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836667988] [2020-10-27 20:43:14,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:43:14,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:14,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:43:14,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:14,608 INFO L87 Difference]: Start difference. First operand 202 states and 271 transitions. Second operand 6 states. [2020-10-27 20:43:14,746 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 20:43:15,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:15,377 INFO L93 Difference]: Finished difference Result 214 states and 285 transitions. [2020-10-27 20:43:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 20:43:15,378 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-27 20:43:15,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:15,379 INFO L225 Difference]: With dead ends: 214 [2020-10-27 20:43:15,379 INFO L226 Difference]: Without dead ends: 110 [2020-10-27 20:43:15,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:43:15,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-27 20:43:15,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 103. [2020-10-27 20:43:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-27 20:43:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2020-10-27 20:43:15,399 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 39 [2020-10-27 20:43:15,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:15,400 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2020-10-27 20:43:15,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:43:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2020-10-27 20:43:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 20:43:15,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:15,402 INFO L422 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] [2020-10-27 20:43:15,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:43:15,402 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:15,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:15,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1947652478, now seen corresponding path program 1 times [2020-10-27 20:43:15,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:15,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607661895] [2020-10-27 20:43:15,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:15,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:15,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:15,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 20:43:17,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:43:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2060 [2020-10-27 20:43:17,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 20:43:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 20:43:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:17,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:17,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:17,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:17,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:17,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:17,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:17,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:17,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:17,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:17,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:17,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:17,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:17,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:17,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:17,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:17,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:17,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607661895] [2020-10-27 20:43:17,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:17,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 20:43:17,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999098830] [2020-10-27 20:43:17,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 20:43:17,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:17,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 20:43:17,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:43:17,772 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 7 states. [2020-10-27 20:43:18,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:18,341 INFO L93 Difference]: Finished difference Result 128 states and 148 transitions. [2020-10-27 20:43:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 20:43:18,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 20:43:18,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:18,343 INFO L225 Difference]: With dead ends: 128 [2020-10-27 20:43:18,343 INFO L226 Difference]: Without dead ends: 122 [2020-10-27 20:43:18,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:18,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-27 20:43:18,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 105. [2020-10-27 20:43:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-27 20:43:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-10-27 20:43:18,364 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-10-27 20:43:18,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:18,364 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-10-27 20:43:18,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 20:43:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-10-27 20:43:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 20:43:18,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:18,366 INFO L422 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] [2020-10-27 20:43:18,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:43:18,366 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:18,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:18,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1177383983, now seen corresponding path program 1 times [2020-10-27 20:43:18,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:18,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646803405] [2020-10-27 20:43:18,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:18,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:18,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 20:43:18,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-10-27 20:43:18,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 20:43:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:43:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:19,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:19,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:19,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:19,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:19,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:43:19,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:19,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:19,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:19,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:19,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:19,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:19,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:19,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:19,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:19,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:19,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:19,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:19,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:19,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:19,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:19,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:19,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:19,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:19,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:19,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:19,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:43:19,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:43:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:19,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646803405] [2020-10-27 20:43:19,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:19,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 20:43:19,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708032833] [2020-10-27 20:43:19,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:43:19,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:19,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:43:19,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:43:19,220 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 10 states. [2020-10-27 20:43:19,608 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 20:43:19,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:19,965 INFO L93 Difference]: Finished difference Result 166 states and 196 transitions. [2020-10-27 20:43:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:43:19,966 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 47 [2020-10-27 20:43:19,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:19,967 INFO L225 Difference]: With dead ends: 166 [2020-10-27 20:43:19,967 INFO L226 Difference]: Without dead ends: 135 [2020-10-27 20:43:19,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:43:19,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-27 20:43:19,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 118. [2020-10-27 20:43:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-27 20:43:19,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2020-10-27 20:43:19,988 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 47 [2020-10-27 20:43:19,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:19,989 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2020-10-27 20:43:19,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 20:43:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2020-10-27 20:43:19,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-27 20:43:19,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:19,990 INFO L422 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] [2020-10-27 20:43:19,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:43:19,991 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:19,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:19,991 INFO L82 PathProgramCache]: Analyzing trace with hash 970640878, now seen corresponding path program 1 times [2020-10-27 20:43:19,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:19,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068417637] [2020-10-27 20:43:19,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 20:43:22,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:43:22,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2182 [2020-10-27 20:43:22,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 20:43:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:43:22,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:22,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:22,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:22,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:22,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:22,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:22,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:22,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:43:22,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:22,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:43:22,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:22,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068417637] [2020-10-27 20:43:22,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:22,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 20:43:22,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365012244] [2020-10-27 20:43:22,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:43:22,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:22,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:43:22,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:43:22,528 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand 10 states. [2020-10-27 20:43:23,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:23,187 INFO L93 Difference]: Finished difference Result 166 states and 193 transitions. [2020-10-27 20:43:23,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 20:43:23,188 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-10-27 20:43:23,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:23,189 INFO L225 Difference]: With dead ends: 166 [2020-10-27 20:43:23,189 INFO L226 Difference]: Without dead ends: 128 [2020-10-27 20:43:23,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:23,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-27 20:43:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 115. [2020-10-27 20:43:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-27 20:43:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2020-10-27 20:43:23,209 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 48 [2020-10-27 20:43:23,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:23,209 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2020-10-27 20:43:23,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 20:43:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2020-10-27 20:43:23,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-27 20:43:23,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:23,210 INFO L422 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] [2020-10-27 20:43:23,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 20:43:23,211 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:23,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:23,211 INFO L82 PathProgramCache]: Analyzing trace with hash 245123457, now seen corresponding path program 1 times [2020-10-27 20:43:23,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:23,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935957747] [2020-10-27 20:43:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:23,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:23,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 20:43:23,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-27 20:43:23,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 20:43:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:43:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:23,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:23,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:23,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:23,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:23,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:23,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:23,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:23,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:23,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:23,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:23,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:23,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:23,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:23,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:23,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:23,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:23,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:23,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:23,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:23,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:23,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:23,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:23,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:43:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:43:23,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:23,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935957747] [2020-10-27 20:43:23,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:23,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:43:23,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225298888] [2020-10-27 20:43:23,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:43:23,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:23,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:43:23,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:23,910 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 8 states. [2020-10-27 20:43:24,051 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 20:43:24,330 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 20:43:24,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:24,680 INFO L93 Difference]: Finished difference Result 160 states and 185 transitions. [2020-10-27 20:43:24,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:24,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-10-27 20:43:24,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:24,682 INFO L225 Difference]: With dead ends: 160 [2020-10-27 20:43:24,682 INFO L226 Difference]: Without dead ends: 115 [2020-10-27 20:43:24,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:24,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-27 20:43:24,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-27 20:43:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-27 20:43:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 132 transitions. [2020-10-27 20:43:24,715 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 132 transitions. Word has length 48 [2020-10-27 20:43:24,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:24,716 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 132 transitions. [2020-10-27 20:43:24,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:43:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2020-10-27 20:43:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 20:43:24,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:24,717 INFO L422 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] [2020-10-27 20:43:24,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 20:43:24,717 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:24,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:24,718 INFO L82 PathProgramCache]: Analyzing trace with hash -423326175, now seen corresponding path program 1 times [2020-10-27 20:43:24,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:24,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671076674] [2020-10-27 20:43:24,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:24,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:24,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:24,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 20:43:24,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:24,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 20:43:24,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 20:43:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:43:24,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:24,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:43:25,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:25,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:25,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:43:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:25,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:25,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:25,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:43:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:25,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:25,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:25,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671076674] [2020-10-27 20:43:25,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:25,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:43:25,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541912092] [2020-10-27 20:43:25,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:43:25,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:25,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:43:25,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:25,179 INFO L87 Difference]: Start difference. First operand 115 states and 132 transitions. Second operand 8 states. [2020-10-27 20:43:25,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:25,607 INFO L93 Difference]: Finished difference Result 152 states and 174 transitions. [2020-10-27 20:43:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:25,608 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-27 20:43:25,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:25,609 INFO L225 Difference]: With dead ends: 152 [2020-10-27 20:43:25,610 INFO L226 Difference]: Without dead ends: 111 [2020-10-27 20:43:25,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:25,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-27 20:43:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2020-10-27 20:43:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-27 20:43:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 122 transitions. [2020-10-27 20:43:25,630 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 122 transitions. Word has length 54 [2020-10-27 20:43:25,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:25,631 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 122 transitions. [2020-10-27 20:43:25,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:43:25,631 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2020-10-27 20:43:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-27 20:43:25,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:25,633 INFO L422 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] [2020-10-27 20:43:25,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 20:43:25,633 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:25,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:25,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1738148909, now seen corresponding path program 1 times [2020-10-27 20:43:25,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:25,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118357210] [2020-10-27 20:43:25,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 20:43:26,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:26,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-10-27 20:43:26,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:26,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:43:26,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:26,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:26,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:26,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:26,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:26,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:26,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:26,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:26,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:26,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:26,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:26,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:26,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:26,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:26,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:26,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:26,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:26,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:26,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:26,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:26,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:43:26,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 20:43:26,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:43:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:26,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:26,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:26,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:26,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 20:43:26,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:43:26,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:26,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:43:26,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:26,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:26,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:26,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:26,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:26,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:26,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:26,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118357210] [2020-10-27 20:43:26,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:26,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 20:43:26,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35170938] [2020-10-27 20:43:26,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:43:26,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:26,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:43:26,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:43:26,842 INFO L87 Difference]: Start difference. First operand 109 states and 122 transitions. Second operand 10 states. [2020-10-27 20:43:27,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:27,319 INFO L93 Difference]: Finished difference Result 148 states and 166 transitions. [2020-10-27 20:43:27,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:27,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-27 20:43:27,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:27,323 INFO L225 Difference]: With dead ends: 148 [2020-10-27 20:43:27,323 INFO L226 Difference]: Without dead ends: 103 [2020-10-27 20:43:27,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:43:27,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-27 20:43:27,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-27 20:43:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-27 20:43:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 113 transitions. [2020-10-27 20:43:27,344 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 113 transitions. Word has length 59 [2020-10-27 20:43:27,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:27,345 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 113 transitions. [2020-10-27 20:43:27,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 20:43:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 113 transitions. [2020-10-27 20:43:27,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 20:43:27,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:27,346 INFO L422 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] [2020-10-27 20:43:27,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 20:43:27,346 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:27,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:27,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1108097420, now seen corresponding path program 1 times [2020-10-27 20:43:27,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:27,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457184725] [2020-10-27 20:43:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:27,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:27,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 20:43:27,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:28,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-27 20:43:28,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:43:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 20:43:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:28,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:28,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:43:28,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 20:43:28,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 20:43:28,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:28,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:28,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:28,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:28,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:28,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:28,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:28,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:43:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:28,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:28,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457184725] [2020-10-27 20:43:28,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:28,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:43:28,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937870633] [2020-10-27 20:43:28,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:43:28,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:28,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:43:28,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:43:28,342 INFO L87 Difference]: Start difference. First operand 103 states and 113 transitions. Second operand 9 states. [2020-10-27 20:43:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:28,811 INFO L93 Difference]: Finished difference Result 198 states and 216 transitions. [2020-10-27 20:43:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:43:28,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-27 20:43:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:28,815 INFO L225 Difference]: With dead ends: 198 [2020-10-27 20:43:28,815 INFO L226 Difference]: Without dead ends: 190 [2020-10-27 20:43:28,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:28,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-27 20:43:28,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 177. [2020-10-27 20:43:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-27 20:43:28,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 196 transitions. [2020-10-27 20:43:28,849 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 196 transitions. Word has length 63 [2020-10-27 20:43:28,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:28,850 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 196 transitions. [2020-10-27 20:43:28,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:43:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 196 transitions. [2020-10-27 20:43:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 20:43:28,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:28,852 INFO L422 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] [2020-10-27 20:43:28,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 20:43:28,852 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:28,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:28,853 INFO L82 PathProgramCache]: Analyzing trace with hash 298750794, now seen corresponding path program 1 times [2020-10-27 20:43:28,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:28,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220682817] [2020-10-27 20:43:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 20:43:29,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 20:43:29,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:43:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:43:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 20:43:29,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:43:29,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:43:29,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:29,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:29,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:43:29,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:43:29,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:43:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 20:43:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:43:29,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:29,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:29,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:43:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:29,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:29,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220682817] [2020-10-27 20:43:29,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:29,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:43:29,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28211320] [2020-10-27 20:43:29,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:43:29,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:29,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:43:29,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:29,419 INFO L87 Difference]: Start difference. First operand 177 states and 196 transitions. Second operand 11 states. [2020-10-27 20:43:30,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:30,164 INFO L93 Difference]: Finished difference Result 230 states and 259 transitions. [2020-10-27 20:43:30,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:43:30,165 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-10-27 20:43:30,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:30,167 INFO L225 Difference]: With dead ends: 230 [2020-10-27 20:43:30,167 INFO L226 Difference]: Without dead ends: 161 [2020-10-27 20:43:30,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:43:30,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-27 20:43:30,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2020-10-27 20:43:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-27 20:43:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2020-10-27 20:43:30,192 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 63 [2020-10-27 20:43:30,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:30,193 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2020-10-27 20:43:30,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:43:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2020-10-27 20:43:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 20:43:30,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:30,194 INFO L422 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] [2020-10-27 20:43:30,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 20:43:30,194 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:30,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:30,195 INFO L82 PathProgramCache]: Analyzing trace with hash 147506076, now seen corresponding path program 1 times [2020-10-27 20:43:30,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:30,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609754686] [2020-10-27 20:43:30,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:30,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:30,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:30,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:30,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 20:43:30,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:43:30,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-27 20:43:30,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:30,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:30,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 20:43:30,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:43:30,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:31,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:31,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:31,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:31,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:31,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:31,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:31,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:31,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:31,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:31,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:31,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:31,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:31,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:31,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:31,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:31,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:31,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:31,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:31,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:31,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:31,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:31,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:43:31,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 20:43:31,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 20:43:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 20:43:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:31,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:31,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:31,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:31,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:31,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:31,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:31,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:31,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:31,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:31,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:31,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:31,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:31,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:31,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:31,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:31,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:31,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:31,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:31,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:43:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:31,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:31,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:31,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:31,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:31,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:31,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:31,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:31,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609754686] [2020-10-27 20:43:31,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:31,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:43:31,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873268182] [2020-10-27 20:43:31,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:43:31,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:31,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:43:31,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:31,374 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 11 states. [2020-10-27 20:43:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:31,746 INFO L93 Difference]: Finished difference Result 226 states and 253 transitions. [2020-10-27 20:43:31,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 20:43:31,747 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 65 [2020-10-27 20:43:31,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:31,748 INFO L225 Difference]: With dead ends: 226 [2020-10-27 20:43:31,748 INFO L226 Difference]: Without dead ends: 173 [2020-10-27 20:43:31,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:31,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-27 20:43:31,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 167. [2020-10-27 20:43:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-27 20:43:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 182 transitions. [2020-10-27 20:43:31,775 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 182 transitions. Word has length 65 [2020-10-27 20:43:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:31,776 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 182 transitions. [2020-10-27 20:43:31,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:43:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2020-10-27 20:43:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 20:43:31,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:31,777 INFO L422 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] [2020-10-27 20:43:31,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 20:43:31,777 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:31,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:31,778 INFO L82 PathProgramCache]: Analyzing trace with hash 859980764, now seen corresponding path program 1 times [2020-10-27 20:43:31,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:31,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344623732] [2020-10-27 20:43:31,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:31,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:31,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:32,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 20:43:32,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:43:32,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-27 20:43:32,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 20:43:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:43:32,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:32,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:32,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:32,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:32,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:32,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:32,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:32,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:32,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:32,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:32,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:32,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:32,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:32,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:32,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:32,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:32,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:32,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:32,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:32,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:32,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:32,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:32,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:32,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:32,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:32,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:32,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:32,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:43:32,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:32,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 20:43:32,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:32,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:32,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:32,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 20:43:32,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:32,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:32,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:32,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:32,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:32,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:32,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:32,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:32,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:32,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:32,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:32,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:32,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:32,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:32,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:32,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:32,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:32,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:32,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:43:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:32,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:32,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:32,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:32,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:32,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:32,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:32,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:32,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:32,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:32,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:32,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344623732] [2020-10-27 20:43:32,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:32,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:43:32,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372273177] [2020-10-27 20:43:32,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:43:32,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:32,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:43:32,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:32,844 INFO L87 Difference]: Start difference. First operand 167 states and 182 transitions. Second operand 12 states. [2020-10-27 20:43:33,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:33,346 INFO L93 Difference]: Finished difference Result 190 states and 204 transitions. [2020-10-27 20:43:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:43:33,347 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-10-27 20:43:33,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:33,348 INFO L225 Difference]: With dead ends: 190 [2020-10-27 20:43:33,348 INFO L226 Difference]: Without dead ends: 167 [2020-10-27 20:43:33,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:33,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-27 20:43:33,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-10-27 20:43:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-27 20:43:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 178 transitions. [2020-10-27 20:43:33,371 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 178 transitions. Word has length 65 [2020-10-27 20:43:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:33,372 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 178 transitions. [2020-10-27 20:43:33,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:43:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 178 transitions. [2020-10-27 20:43:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 20:43:33,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:33,373 INFO L422 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] [2020-10-27 20:43:33,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 20:43:33,374 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:33,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:33,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2107663365, now seen corresponding path program 1 times [2020-10-27 20:43:33,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:33,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160830632] [2020-10-27 20:43:33,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:33,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:33,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:33,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:34,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:35,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:35,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 20:43:35,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:43:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2512 [2020-10-27 20:43:35,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 20:43:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:43:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:36,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:36,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:36,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:36,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:43:36,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:36,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:36,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:36,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:36,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:36,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:36,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:36,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:36,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:36,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:36,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:36,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:36,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:36,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:36,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:36,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:36,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:36,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:36,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:36,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:36,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:43:36,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:36,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 20:43:36,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 20:43:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:36,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:36,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:43:36,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:36,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:36,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:36,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:36,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:36,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:36,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:36,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:36,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:36,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:43:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:36,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:36,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:36,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:36,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160830632] [2020-10-27 20:43:36,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:36,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:43:36,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287852234] [2020-10-27 20:43:36,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:43:36,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:36,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:43:36,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:36,352 INFO L87 Difference]: Start difference. First operand 167 states and 178 transitions. Second operand 12 states. [2020-10-27 20:43:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:36,715 INFO L93 Difference]: Finished difference Result 177 states and 188 transitions. [2020-10-27 20:43:36,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:43:36,715 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 66 [2020-10-27 20:43:36,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:36,717 INFO L225 Difference]: With dead ends: 177 [2020-10-27 20:43:36,717 INFO L226 Difference]: Without dead ends: 151 [2020-10-27 20:43:36,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:36,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-10-27 20:43:36,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 145. [2020-10-27 20:43:36,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-27 20:43:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 154 transitions. [2020-10-27 20:43:36,743 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 154 transitions. Word has length 66 [2020-10-27 20:43:36,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:36,743 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 154 transitions. [2020-10-27 20:43:36,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:43:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2020-10-27 20:43:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 20:43:36,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:36,745 INFO L422 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] [2020-10-27 20:43:36,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 20:43:36,745 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:36,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:36,745 INFO L82 PathProgramCache]: Analyzing trace with hash -295561405, now seen corresponding path program 1 times [2020-10-27 20:43:36,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:36,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408917757] [2020-10-27 20:43:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:36,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:36,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:36,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 20:43:36,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:36,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-27 20:43:36,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:43:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 20:43:36,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:37,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:37,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:37,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:37,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:37,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:37,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:37,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:37,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:43:37,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:37,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:37,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:37,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:37,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:37,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:37,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:37,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:37,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:37,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:37,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:37,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:37,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:37,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:37,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:43:37,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:43:37,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:43:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:37,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:37,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:37,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:37,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:37,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:37,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:37,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:43:37,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:37,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:37,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:37,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:37,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:37,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:37,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:37,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:37,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:37,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:43:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:37,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:37,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:37,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:37,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:37,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:37,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408917757] [2020-10-27 20:43:37,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:37,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:43:37,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965702296] [2020-10-27 20:43:37,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:43:37,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:37,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:43:37,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:43:37,325 INFO L87 Difference]: Start difference. First operand 145 states and 154 transitions. Second operand 9 states. [2020-10-27 20:43:37,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:37,634 INFO L93 Difference]: Finished difference Result 171 states and 182 transitions. [2020-10-27 20:43:37,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:37,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-10-27 20:43:37,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:37,637 INFO L225 Difference]: With dead ends: 171 [2020-10-27 20:43:37,638 INFO L226 Difference]: Without dead ends: 138 [2020-10-27 20:43:37,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:37,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-27 20:43:37,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-10-27 20:43:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-27 20:43:37,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 143 transitions. [2020-10-27 20:43:37,666 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 143 transitions. Word has length 66 [2020-10-27 20:43:37,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:37,666 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 143 transitions. [2020-10-27 20:43:37,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:43:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2020-10-27 20:43:37,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 20:43:37,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:37,669 INFO L422 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] [2020-10-27 20:43:37,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 20:43:37,670 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:37,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:37,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1830425452, now seen corresponding path program 1 times [2020-10-27 20:43:37,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:37,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937448097] [2020-10-27 20:43:37,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:37,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:37,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:38,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 20:43:38,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:38,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-27 20:43:38,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 20:43:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:43:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:38,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:38,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:38,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:38,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:38,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:38,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:38,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:38,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:38,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:38,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:38,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:38,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:38,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:38,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:38,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:38,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:38,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:43:38,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 20:43:38,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 20:43:38,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:38,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:38,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:38,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:38,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:38,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:38,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:38,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:38,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:38,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:38,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:38,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:38,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:38,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:43:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:38,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:38,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:38,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:38,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:38,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:38,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:38,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937448097] [2020-10-27 20:43:38,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:38,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:43:38,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188904818] [2020-10-27 20:43:38,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:43:38,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:38,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:43:38,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:38,741 INFO L87 Difference]: Start difference. First operand 138 states and 143 transitions. Second operand 12 states. [2020-10-27 20:43:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:39,108 INFO L93 Difference]: Finished difference Result 150 states and 155 transitions. [2020-10-27 20:43:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:43:39,109 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 66 [2020-10-27 20:43:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:39,110 INFO L225 Difference]: With dead ends: 150 [2020-10-27 20:43:39,110 INFO L226 Difference]: Without dead ends: 138 [2020-10-27 20:43:39,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:39,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-27 20:43:39,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-10-27 20:43:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-27 20:43:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 141 transitions. [2020-10-27 20:43:39,133 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 141 transitions. Word has length 66 [2020-10-27 20:43:39,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:39,134 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 141 transitions. [2020-10-27 20:43:39,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:43:39,134 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 141 transitions. [2020-10-27 20:43:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-27 20:43:39,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:39,135 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:43:39,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 20:43:39,136 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:39,136 INFO L82 PathProgramCache]: Analyzing trace with hash 281047691, now seen corresponding path program 1 times [2020-10-27 20:43:39,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:39,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740804372] [2020-10-27 20:43:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 20:43:39,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 431 [2020-10-27 20:43:39,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 20:43:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:43:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:39,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:39,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:39,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:39,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:39,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:39,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:39,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:39,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:39,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:39,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:43:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:43:39,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:39,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:43:39,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 20:43:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:39,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:39,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:39,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:39,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:39,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:43:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:39,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:39,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:39,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:39,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:43:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:39,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:39,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:39,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:39,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:43:39,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:43:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:43:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:39,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740804372] [2020-10-27 20:43:39,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:39,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:43:39,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673447949] [2020-10-27 20:43:39,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:43:39,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:39,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:43:39,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:39,972 INFO L87 Difference]: Start difference. First operand 138 states and 141 transitions. Second operand 11 states. [2020-10-27 20:43:40,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:40,288 INFO L93 Difference]: Finished difference Result 138 states and 141 transitions. [2020-10-27 20:43:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:40,289 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2020-10-27 20:43:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:40,289 INFO L225 Difference]: With dead ends: 138 [2020-10-27 20:43:40,290 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:43:40,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:40,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:43:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:43:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:43:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:43:40,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2020-10-27 20:43:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:40,295 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:43:40,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:43:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:43:40,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:43:40,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 20:43:40,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:43:40,480 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 26 [2020-10-27 20:43:41,196 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2020-10-27 20:43:41,338 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2020-10-27 20:43:41,969 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 39 [2020-10-27 20:43:42,290 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-27 20:43:42,516 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 33 [2020-10-27 20:43:43,058 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2020-10-27 20:43:43,290 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 30 [2020-10-27 20:43:43,472 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 16 [2020-10-27 20:43:43,791 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 25 [2020-10-27 20:43:43,928 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-10-27 20:43:44,094 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-10-27 20:43:44,201 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2020-10-27 20:43:44,554 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 33 [2020-10-27 20:43:44,978 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 49 [2020-10-27 20:43:45,342 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 39 [2020-10-27 20:43:45,549 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-10-27 20:43:45,707 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2020-10-27 20:43:45,914 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 18 [2020-10-27 20:43:46,106 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 16 [2020-10-27 20:43:46,402 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 32 [2020-10-27 20:43:46,770 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2020-10-27 20:43:47,010 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 31 [2020-10-27 20:43:47,153 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2020-10-27 20:43:47,297 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2020-10-27 20:43:47,432 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 21 [2020-10-27 20:43:47,629 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-27 20:43:47,732 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 21 [2020-10-27 20:43:47,837 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2020-10-27 20:43:48,255 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 21 [2020-10-27 20:43:48,446 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-10-27 20:43:49,013 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2020-10-27 20:43:49,229 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 40 [2020-10-27 20:43:49,585 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 16 [2020-10-27 20:43:49,750 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 20:43:49,751 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 20:43:49,751 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 20:43:49,751 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 20:43:49,751 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-27 20:43:49,751 INFO L270 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 618 628) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-27 20:43:49,751 INFO L274 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-27 20:43:49,751 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 618 628) no Hoare annotation was computed. [2020-10-27 20:43:49,751 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 618 628) no Hoare annotation was computed. [2020-10-27 20:43:49,752 INFO L270 CegarLoopResult]: At program point KeSetEventENTRY(lines 568 575) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-27 20:43:49,752 INFO L274 CegarLoopResult]: For program point KeSetEventFINAL(lines 568 575) no Hoare annotation was computed. [2020-10-27 20:43:49,752 INFO L274 CegarLoopResult]: For program point KeSetEventEXIT(lines 568 575) no Hoare annotation was computed. [2020-10-27 20:43:49,752 INFO L274 CegarLoopResult]: For program point L700(lines 700 729) no Hoare annotation was computed. [2020-10-27 20:43:49,752 INFO L274 CegarLoopResult]: For program point KbFilter_PowerEXIT(lines 689 744) no Hoare annotation was computed. [2020-10-27 20:43:49,752 INFO L274 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-10-27 20:43:49,752 INFO L270 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (or (= ~pended~0 1) (= ~SKIP1~0 ~s~0) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,752 INFO L270 CegarLoopResult]: At program point KbFilter_PowerENTRY(lines 689 744) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (= ~pended~0 1) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,753 INFO L274 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-10-27 20:43:49,753 INFO L274 CegarLoopResult]: For program point L703(lines 703 728) no Hoare annotation was computed. [2020-10-27 20:43:49,753 INFO L270 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (= ~pended~0 1) (not (= ~compRegistered~0 0)) (not (= |old(~s~0)| ~NP~0))) [2020-10-27 20:43:49,753 INFO L270 CegarLoopResult]: At program point L701(lines 700 729) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (= ~pended~0 1) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,753 INFO L274 CegarLoopResult]: For program point L734-1(lines 730 736) no Hoare annotation was computed. [2020-10-27 20:43:49,753 INFO L270 CegarLoopResult]: At program point L724(lines 699 743) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (= ~pended~0 1) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,753 INFO L274 CegarLoopResult]: For program point KbFilter_PowerFINAL(lines 689 744) no Hoare annotation was computed. [2020-10-27 20:43:49,753 INFO L274 CegarLoopResult]: For program point L706(lines 706 727) no Hoare annotation was computed. [2020-10-27 20:43:49,754 INFO L274 CegarLoopResult]: For program point stub_driver_initEXIT(lines 43 56) no Hoare annotation was computed. [2020-10-27 20:43:49,754 INFO L270 CegarLoopResult]: At program point stub_driver_initENTRY(lines 43 56) the Hoare annotation is: (or (= |old(~pended~0)| 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,754 INFO L274 CegarLoopResult]: For program point stub_driver_initFINAL(lines 43 56) no Hoare annotation was computed. [2020-10-27 20:43:49,754 INFO L274 CegarLoopResult]: For program point _BLAST_initFINAL(lines 57 78) no Hoare annotation was computed. [2020-10-27 20:43:49,754 INFO L270 CegarLoopResult]: At program point _BLAST_initENTRY(lines 57 78) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:49,754 INFO L274 CegarLoopResult]: For program point _BLAST_initEXIT(lines 57 78) no Hoare annotation was computed. [2020-10-27 20:43:49,754 INFO L277 CegarLoopResult]: At program point errorFnENTRY(lines 1009 1016) the Hoare annotation is: true [2020-10-27 20:43:49,754 INFO L274 CegarLoopResult]: For program point errorFnFINAL(lines 1009 1016) no Hoare annotation was computed. [2020-10-27 20:43:49,754 INFO L274 CegarLoopResult]: For program point errorFnEXIT(lines 1009 1016) no Hoare annotation was computed. [2020-10-27 20:43:49,755 INFO L274 CegarLoopResult]: For program point L1013(line 1013) no Hoare annotation was computed. [2020-10-27 20:43:49,755 INFO L274 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-10-27 20:43:49,755 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 295 466) no Hoare annotation was computed. [2020-10-27 20:43:49,755 INFO L270 CegarLoopResult]: At program point L374(lines 373 408) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~pended~0 1)))) [2020-10-27 20:43:49,755 INFO L274 CegarLoopResult]: For program point L432(lines 432 459) no Hoare annotation was computed. [2020-10-27 20:43:49,755 INFO L274 CegarLoopResult]: For program point L358(lines 358 411) no Hoare annotation was computed. [2020-10-27 20:43:49,755 INFO L274 CegarLoopResult]: For program point L449(lines 449 457) no Hoare annotation was computed. [2020-10-27 20:43:49,755 INFO L270 CegarLoopResult]: At program point L441(lines 432 459) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:49,755 INFO L274 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-10-27 20:43:49,756 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 20:43:49,756 INFO L270 CegarLoopResult]: At program point L359(lines 358 411) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~pended~0 1)))) [2020-10-27 20:43:49,756 INFO L274 CegarLoopResult]: For program point L450(lines 450 452) no Hoare annotation was computed. [2020-10-27 20:43:49,756 INFO L270 CegarLoopResult]: At program point L376(lines 375 408) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:49,756 INFO L274 CegarLoopResult]: For program point L434(lines 434 436) no Hoare annotation was computed. [2020-10-27 20:43:49,756 INFO L274 CegarLoopResult]: For program point L368(lines 368 409) no Hoare annotation was computed. [2020-10-27 20:43:49,756 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 295 466) no Hoare annotation was computed. [2020-10-27 20:43:49,756 INFO L274 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-10-27 20:43:49,757 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 295 466) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~Executive~0)| ~Executive~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= |old(~DevicePowerState~0)| ~DevicePowerState~0) (= ~myStatus~0 |old(~myStatus~0)|) (= ~MPR1~0 ~NP~0)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:49,757 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-10-27 20:43:49,757 INFO L274 CegarLoopResult]: For program point L344(lines 330 413) no Hoare annotation was computed. [2020-10-27 20:43:49,757 INFO L270 CegarLoopResult]: At program point L369(lines 368 409) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~pended~0 1)))) [2020-10-27 20:43:49,757 INFO L270 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (or (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (not (= ~pended~0 1)) (= ~MPR1~0 ~NP~0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:49,757 INFO L274 CegarLoopResult]: For program point L328-1(lines 324 465) no Hoare annotation was computed. [2020-10-27 20:43:49,758 INFO L274 CegarLoopResult]: For program point L353(lines 353 412) no Hoare annotation was computed. [2020-10-27 20:43:49,758 INFO L274 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-27 20:43:49,758 INFO L270 CegarLoopResult]: At program point L354(lines 353 412) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~pended~0 1)))) [2020-10-27 20:43:49,758 INFO L270 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:49,758 INFO L270 CegarLoopResult]: At program point L429(lines 422 462) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:49,758 INFO L274 CegarLoopResult]: For program point L363(lines 363 410) no Hoare annotation was computed. [2020-10-27 20:43:49,758 INFO L270 CegarLoopResult]: At program point L330(lines 324 465) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:49,758 INFO L274 CegarLoopResult]: For program point L454(lines 454 456) no Hoare annotation was computed. [2020-10-27 20:43:49,759 INFO L270 CegarLoopResult]: At program point L421(lines 414 463) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:49,759 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-10-27 20:43:49,759 INFO L274 CegarLoopResult]: For program point L339(lines 339 342) no Hoare annotation was computed. [2020-10-27 20:43:49,759 INFO L270 CegarLoopResult]: At program point L339-2(lines 339 342) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~MPR1~0 ~NP~0)) (not (= ~pended~0 1))) (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:49,759 INFO L274 CegarLoopResult]: For program point L430(lines 414 463) no Hoare annotation was computed. [2020-10-27 20:43:49,759 INFO L270 CegarLoopResult]: At program point L364(lines 363 410) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~MPR1~0 ~NP~0)) (not (= ~pended~0 1))) (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:49,759 INFO L274 CegarLoopResult]: For program point L373(lines 373 408) no Hoare annotation was computed. [2020-10-27 20:43:49,759 INFO L274 CegarLoopResult]: For program point L431(lines 431 460) no Hoare annotation was computed. [2020-10-27 20:43:49,760 INFO L274 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-10-27 20:43:49,760 INFO L274 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-10-27 20:43:49,760 INFO L270 CegarLoopResult]: At program point L510(lines 509 526) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (and (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0) (= ~MPR1~0 ~s~0) (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803))) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-27 20:43:49,760 INFO L274 CegarLoopResult]: For program point L532(lines 532 549) no Hoare annotation was computed. [2020-10-27 20:43:49,760 INFO L270 CegarLoopResult]: At program point IofCallDriverENTRY(lines 481 553) the Hoare annotation is: (let ((.cse1 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse2 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse0 (= ~pended~0 1))) (and (or .cse0 (and .cse1 .cse2 (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and .cse1 .cse2 (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)))) [2020-10-27 20:43:49,761 INFO L274 CegarLoopResult]: For program point L495(lines 495 499) no Hoare annotation was computed. [2020-10-27 20:43:49,761 INFO L270 CegarLoopResult]: At program point L524(lines 488 552) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (let ((.cse1 (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0)) (.cse2 (= ~MPR1~0 ~s~0)) (.cse3 (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803)))) (or (not (<= 1 ~compRegistered~0)) .cse0 (and .cse1 .cse2 (= IofCallDriver_~returnVal2~0 0) .cse3) (not (= ~NP~0 |old(~s~0)|)) (and .cse1 .cse2 (= ~setEventCalled~0 1) .cse3 (= 259 IofCallDriver_~returnVal2~0)) (and .cse1 .cse2 (= (+ IofCallDriver_~returnVal2~0 1073741823) 0) .cse3) (= ~MPR1~0 ~NP~0))))) [2020-10-27 20:43:49,761 INFO L270 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)))) [2020-10-27 20:43:49,761 INFO L274 CegarLoopResult]: For program point L491-1(line 491) no Hoare annotation was computed. [2020-10-27 20:43:49,761 INFO L274 CegarLoopResult]: For program point IofCallDriverFINAL(lines 481 553) no Hoare annotation was computed. [2020-10-27 20:43:49,761 INFO L270 CegarLoopResult]: At program point L512(lines 511 526) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (and (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0) (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1) (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803))) (= ~MPR1~0 ~NP~0)) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-27 20:43:49,762 INFO L274 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-10-27 20:43:49,762 INFO L274 CegarLoopResult]: For program point L504(lines 504 527) no Hoare annotation was computed. [2020-10-27 20:43:49,762 INFO L274 CegarLoopResult]: For program point IofCallDriverEXIT(lines 481 553) no Hoare annotation was computed. [2020-10-27 20:43:49,762 INFO L274 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-10-27 20:43:49,762 INFO L270 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)))) [2020-10-27 20:43:49,762 INFO L274 CegarLoopResult]: For program point L546-1(lines 528 550) no Hoare annotation was computed. [2020-10-27 20:43:49,762 INFO L274 CegarLoopResult]: For program point L509(lines 509 526) no Hoare annotation was computed. [2020-10-27 20:43:49,762 INFO L270 CegarLoopResult]: At program point L505(lines 504 527) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (and (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0) (= ~MPR1~0 ~s~0) (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803))) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-27 20:43:49,763 INFO L270 CegarLoopResult]: At program point L497(line 497) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (and (<= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0) (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|) (< 0 (+ IofCallDriver_~__cil_tmp7~0 1073741803))) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)))) [2020-10-27 20:43:49,763 INFO L274 CegarLoopResult]: For program point L489(lines 489 501) no Hoare annotation was computed. [2020-10-27 20:43:49,763 INFO L274 CegarLoopResult]: For program point L489-1(lines 489 501) no Hoare annotation was computed. [2020-10-27 20:43:49,763 INFO L270 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= ~setEventCalled~0 1)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,763 INFO L274 CegarLoopResult]: For program point L475-1(lines 467 480) no Hoare annotation was computed. [2020-10-27 20:43:49,763 INFO L270 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 467 480) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~s~0 ~NP~0) (not (= ~setEventCalled~0 1)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,764 INFO L274 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 467 480) no Hoare annotation was computed. [2020-10-27 20:43:49,764 INFO L270 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (or (= ~pended~0 1) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,764 INFO L274 CegarLoopResult]: For program point PoCallDriverEXIT(lines 745 821) no Hoare annotation was computed. [2020-10-27 20:43:49,764 INFO L274 CegarLoopResult]: For program point L754(lines 754 766) no Hoare annotation was computed. [2020-10-27 20:43:49,764 INFO L274 CegarLoopResult]: For program point L754-1(lines 754 766) no Hoare annotation was computed. [2020-10-27 20:43:49,764 INFO L270 CegarLoopResult]: At program point L775(lines 774 791) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,764 INFO L274 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2020-10-27 20:43:49,764 INFO L274 CegarLoopResult]: For program point PoCallDriverFINAL(lines 745 821) no Hoare annotation was computed. [2020-10-27 20:43:49,764 INFO L270 CegarLoopResult]: At program point PoCallDriverENTRY(lines 745 821) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,765 INFO L274 CegarLoopResult]: For program point L809(lines 809 816) no Hoare annotation was computed. [2020-10-27 20:43:49,765 INFO L274 CegarLoopResult]: For program point L797(lines 797 817) no Hoare annotation was computed. [2020-10-27 20:43:49,765 INFO L274 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-10-27 20:43:49,765 INFO L270 CegarLoopResult]: At program point L789(lines 753 820) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,765 INFO L270 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (or (= ~pended~0 1) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,765 INFO L274 CegarLoopResult]: For program point L756-1(line 756) no Hoare annotation was computed. [2020-10-27 20:43:49,765 INFO L270 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (= ~pended~0 1) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,765 INFO L274 CegarLoopResult]: For program point L814-1(lines 793 818) no Hoare annotation was computed. [2020-10-27 20:43:49,766 INFO L270 CegarLoopResult]: At program point L777(lines 776 791) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,766 INFO L274 CegarLoopResult]: For program point L769(lines 769 792) no Hoare annotation was computed. [2020-10-27 20:43:49,766 INFO L274 CegarLoopResult]: For program point L774(lines 774 791) no Hoare annotation was computed. [2020-10-27 20:43:49,766 INFO L270 CegarLoopResult]: At program point L770(lines 769 792) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,766 INFO L274 CegarLoopResult]: For program point L638(lines 638 656) no Hoare annotation was computed. [2020-10-27 20:43:49,766 INFO L274 CegarLoopResult]: For program point KbFilter_CreateCloseEXIT(lines 629 664) no Hoare annotation was computed. [2020-10-27 20:43:49,766 INFO L270 CegarLoopResult]: At program point L653(lines 641 655) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,766 INFO L270 CegarLoopResult]: At program point L645(lines 638 656) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,767 INFO L274 CegarLoopResult]: For program point L641(lines 641 655) no Hoare annotation was computed. [2020-10-27 20:43:49,767 INFO L270 CegarLoopResult]: At program point KbFilter_CreateCloseENTRY(lines 629 664) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,767 INFO L270 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,767 INFO L274 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-10-27 20:43:49,767 INFO L274 CegarLoopResult]: For program point KbFilter_CreateCloseFINAL(lines 629 664) no Hoare annotation was computed. [2020-10-27 20:43:49,767 INFO L274 CegarLoopResult]: For program point L644(lines 644 654) no Hoare annotation was computed. [2020-10-27 20:43:49,767 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:43:49,768 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~NP~0 |old(~NP~0)|) (= ~DevicePowerState~0 |old(~DevicePowerState~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~s~0 |old(~s~0)|) (= |old(#valid)| |#valid|) (= ~IPC~0 |old(~IPC~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~DC~0 |old(~DC~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|) (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 20:43:49,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:43:49,768 INFO L274 CegarLoopResult]: For program point L956(lines 956 958) no Hoare annotation was computed. [2020-10-27 20:43:49,768 INFO L274 CegarLoopResult]: For program point L956-2(lines 934 971) no Hoare annotation was computed. [2020-10-27 20:43:49,768 INFO L274 CegarLoopResult]: For program point KbFilter_InternIoCtlEXIT(lines 822 1007) no Hoare annotation was computed. [2020-10-27 20:43:49,768 INFO L274 CegarLoopResult]: For program point L940(lines 940 943) no Hoare annotation was computed. [2020-10-27 20:43:49,768 INFO L274 CegarLoopResult]: For program point L903(lines 903 982) no Hoare annotation was computed. [2020-10-27 20:43:49,768 INFO L274 CegarLoopResult]: For program point L924(lines 924 976) no Hoare annotation was computed. [2020-10-27 20:43:49,768 INFO L274 CegarLoopResult]: For program point L891(lines 891 986) no Hoare annotation was computed. [2020-10-27 20:43:49,769 INFO L274 CegarLoopResult]: For program point L883(lines 883 988) no Hoare annotation was computed. [2020-10-27 20:43:49,769 INFO L274 CegarLoopResult]: For program point L875(lines 875 990) no Hoare annotation was computed. [2020-10-27 20:43:49,769 INFO L270 CegarLoopResult]: At program point L1003(line 1003) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,769 INFO L274 CegarLoopResult]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2020-10-27 20:43:49,769 INFO L274 CegarLoopResult]: For program point L896(lines 896 984) no Hoare annotation was computed. [2020-10-27 20:43:49,769 INFO L270 CegarLoopResult]: At program point L892(lines 891 986) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,769 INFO L274 CegarLoopResult]: For program point L917(lines 917 978) no Hoare annotation was computed. [2020-10-27 20:43:49,770 INFO L270 CegarLoopResult]: At program point L884(lines 883 988) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,770 INFO L274 CegarLoopResult]: For program point L934(lines 934 973) no Hoare annotation was computed. [2020-10-27 20:43:49,770 INFO L274 CegarLoopResult]: For program point L959-1(lines 959 961) no Hoare annotation was computed. [2020-10-27 20:43:49,770 INFO L270 CegarLoopResult]: At program point KbFilter_InternIoCtlENTRY(lines 822 1007) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,770 INFO L274 CegarLoopResult]: For program point L910(lines 910 980) no Hoare annotation was computed. [2020-10-27 20:43:49,770 INFO L270 CegarLoopResult]: At program point L972(lines 867 1006) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,770 INFO L270 CegarLoopResult]: At program point L935(lines 875 990) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,770 INFO L270 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,771 INFO L274 CegarLoopResult]: For program point L997-1(line 997) no Hoare annotation was computed. [2020-10-27 20:43:49,771 INFO L274 CegarLoopResult]: For program point KbFilter_InternIoCtlFINAL(lines 822 1007) no Hoare annotation was computed. [2020-10-27 20:43:49,771 INFO L274 CegarLoopResult]: For program point L931(lines 931 974) no Hoare annotation was computed. [2020-10-27 20:43:49,771 INFO L274 CegarLoopResult]: For program point L603(lines 603 615) no Hoare annotation was computed. [2020-10-27 20:43:49,771 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 576 617) no Hoare annotation was computed. [2020-10-27 20:43:49,771 INFO L270 CegarLoopResult]: At program point L589(lines 581 600) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (not (= ~MPR3~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,771 INFO L274 CegarLoopResult]: For program point L581(lines 581 600) no Hoare annotation was computed. [2020-10-27 20:43:49,771 INFO L270 CegarLoopResult]: At program point L606(lines 605 615) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (= ~s~0 ~NP~0) (not (= ~MPR3~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,771 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 576 617) no Hoare annotation was computed. [2020-10-27 20:43:49,772 INFO L270 CegarLoopResult]: At program point L604(lines 603 615) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (= ~s~0 ~NP~0) (not (= ~MPR3~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,772 INFO L270 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (not (= ~MPR3~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,772 INFO L274 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-10-27 20:43:49,772 INFO L274 CegarLoopResult]: For program point L594-1(lines 581 600) no Hoare annotation was computed. [2020-10-27 20:43:49,772 INFO L270 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 576 617) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (and (= ~MPR3~0 ~s~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0)) (not (= ~MPR3~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,772 INFO L274 CegarLoopResult]: For program point L582(lines 582 587) no Hoare annotation was computed. [2020-10-27 20:43:49,772 INFO L274 CegarLoopResult]: For program point L562-1(lines 554 567) no Hoare annotation was computed. [2020-10-27 20:43:49,772 INFO L274 CegarLoopResult]: For program point L558(lines 558 564) no Hoare annotation was computed. [2020-10-27 20:43:49,773 INFO L270 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 554 567) the Hoare annotation is: (or (= ~pended~0 1) (= ~s~0 ~NP~0) (not (= ~NP~0 |old(~s~0)|))) [2020-10-27 20:43:49,773 INFO L274 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 554 567) no Hoare annotation was computed. [2020-10-27 20:43:49,773 INFO L270 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~s~0)| ~NP~0))) [2020-10-27 20:43:49,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:43:49,773 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (not (= ~pended~0 1)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,773 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:43:49,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:43:49,773 INFO L270 CegarLoopResult]: At program point KbFilter_DispatchPassThroughENTRY(lines 665 688) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (= ~pended~0 1) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,774 INFO L270 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (= ~pended~0 1) (= ~SKIP1~0 ~s~0) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-27 20:43:49,774 INFO L274 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-10-27 20:43:49,774 INFO L274 CegarLoopResult]: For program point KbFilter_DispatchPassThroughFINAL(lines 665 688) no Hoare annotation was computed. [2020-10-27 20:43:49,774 INFO L270 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (or (= ~pended~0 1) (not (= ~compRegistered~0 0)) (not (= |old(~s~0)| ~NP~0))) [2020-10-27 20:43:49,774 INFO L274 CegarLoopResult]: For program point L678-1(lines 674 680) no Hoare annotation was computed. [2020-10-27 20:43:49,774 INFO L274 CegarLoopResult]: For program point KbFilter_DispatchPassThroughEXIT(lines 665 688) no Hoare annotation was computed. [2020-10-27 20:43:49,774 INFO L274 CegarLoopResult]: For program point L674(lines 674 680) no Hoare annotation was computed. [2020-10-27 20:43:49,774 INFO L274 CegarLoopResult]: For program point L258-1(lines 254 260) no Hoare annotation was computed. [2020-10-27 20:43:49,775 INFO L274 CegarLoopResult]: For program point L159(lines 159 274) no Hoare annotation was computed. [2020-10-27 20:43:49,775 INFO L274 CegarLoopResult]: For program point L126(lines 126 285) no Hoare annotation was computed. [2020-10-27 20:43:49,775 INFO L270 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,775 INFO L270 CegarLoopResult]: At program point L201(lines 201 203) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1)) (.cse1 (not (= |old(~compRegistered~0)| 0))) (.cse2 (not (= ~NP~0 |old(~s~0)|))) (.cse3 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 (and (= ~MPR3~0 ~s~0) (= ~setEventCalled~0 1) (= KbFilter_PnP_~status~0 259) (<= 1 ~compRegistered~0) (<= 259 KbFilter_PnP_~__cil_tmp23~0) (<= KbFilter_PnP_~__cil_tmp23~0 259)) .cse3) (or (not (= (+ |old(~myStatus~0)| 1073741637) 0)) .cse0 (= (+ ~myStatus~0 1073741637) 0) .cse1 .cse2 .cse3))) [2020-10-27 20:43:49,775 INFO L274 CegarLoopResult]: For program point L168(lines 168 271) no Hoare annotation was computed. [2020-10-27 20:43:49,775 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 203) no Hoare annotation was computed. [2020-10-27 20:43:49,775 INFO L274 CegarLoopResult]: For program point L135(lines 135 282) no Hoare annotation was computed. [2020-10-27 20:43:49,775 INFO L270 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (= ~pended~0 1) (= ~s~0 ~NP~0) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,776 INFO L270 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,776 INFO L274 CegarLoopResult]: For program point L243-1(lines 239 245) no Hoare annotation was computed. [2020-10-27 20:43:49,776 INFO L274 CegarLoopResult]: For program point L177(lines 177 189) no Hoare annotation was computed. [2020-10-27 20:43:49,776 INFO L274 CegarLoopResult]: For program point L144(lines 144 279) no Hoare annotation was computed. [2020-10-27 20:43:49,776 INFO L274 CegarLoopResult]: For program point L111(lines 111 290) no Hoare annotation was computed. [2020-10-27 20:43:49,776 INFO L270 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,776 INFO L270 CegarLoopResult]: At program point L194(lines 194 195) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1)) (.cse1 (not (= |old(~compRegistered~0)| 0))) (.cse2 (not (= ~NP~0 |old(~s~0)|))) (.cse3 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 (and (<= 0 KbFilter_PnP_~status~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0)) .cse3) (or (not (= (+ |old(~myStatus~0)| 1073741637) 0)) .cse0 (= (+ ~myStatus~0 1073741637) 0) .cse1 .cse2 .cse3))) [2020-10-27 20:43:49,776 INFO L274 CegarLoopResult]: For program point L227-1(lines 223 229) no Hoare annotation was computed. [2020-10-27 20:43:49,777 INFO L274 CegarLoopResult]: For program point L194-1(lines 194 195) no Hoare annotation was computed. [2020-10-27 20:43:49,777 INFO L274 CegarLoopResult]: For program point L153(lines 153 276) no Hoare annotation was computed. [2020-10-27 20:43:49,777 INFO L274 CegarLoopResult]: For program point L120(lines 120 287) no Hoare annotation was computed. [2020-10-27 20:43:49,777 INFO L274 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 81 294) no Hoare annotation was computed. [2020-10-27 20:43:49,777 INFO L270 CegarLoopResult]: At program point L112(lines 111 290) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,777 INFO L277 CegarLoopResult]: At program point L269(lines 172 270) the Hoare annotation is: true [2020-10-27 20:43:49,777 INFO L274 CegarLoopResult]: For program point L162(lines 162 273) no Hoare annotation was computed. [2020-10-27 20:43:49,777 INFO L274 CegarLoopResult]: For program point L129(lines 129 284) no Hoare annotation was computed. [2020-10-27 20:43:49,777 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,778 INFO L270 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 81 294) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,778 INFO L270 CegarLoopResult]: At program point L171(lines 117 288) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,778 INFO L274 CegarLoopResult]: For program point L138(lines 138 281) no Hoare annotation was computed. [2020-10-27 20:43:49,778 INFO L274 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 81 294) no Hoare annotation was computed. [2020-10-27 20:43:49,778 INFO L274 CegarLoopResult]: For program point L147(lines 147 278) no Hoare annotation was computed. [2020-10-27 20:43:49,778 INFO L274 CegarLoopResult]: For program point L114(lines 114 289) no Hoare annotation was computed. [2020-10-27 20:43:49,778 INFO L274 CegarLoopResult]: For program point L156(lines 156 275) no Hoare annotation was computed. [2020-10-27 20:43:49,778 INFO L274 CegarLoopResult]: For program point L123(lines 123 286) no Hoare annotation was computed. [2020-10-27 20:43:49,778 INFO L270 CegarLoopResult]: At program point L115(lines 114 289) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,778 INFO L274 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-10-27 20:43:49,779 INFO L270 CegarLoopResult]: At program point L264(lines 264 265) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,779 INFO L274 CegarLoopResult]: For program point L264-1(lines 264 265) no Hoare annotation was computed. [2020-10-27 20:43:49,779 INFO L274 CegarLoopResult]: For program point L165(lines 165 272) no Hoare annotation was computed. [2020-10-27 20:43:49,779 INFO L274 CegarLoopResult]: For program point L132(lines 132 283) no Hoare annotation was computed. [2020-10-27 20:43:49,779 INFO L274 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-10-27 20:43:49,779 INFO L274 CegarLoopResult]: For program point L182(lines 182 188) no Hoare annotation was computed. [2020-10-27 20:43:49,779 INFO L274 CegarLoopResult]: For program point L182-1(lines 177 189) no Hoare annotation was computed. [2020-10-27 20:43:49,779 INFO L274 CegarLoopResult]: For program point L207(lines 207 213) no Hoare annotation was computed. [2020-10-27 20:43:49,779 INFO L274 CegarLoopResult]: For program point L141(lines 141 280) no Hoare annotation was computed. [2020-10-27 20:43:49,780 INFO L274 CegarLoopResult]: For program point L108(lines 108 291) no Hoare annotation was computed. [2020-10-27 20:43:49,780 INFO L274 CegarLoopResult]: For program point L199(lines 199 205) no Hoare annotation was computed. [2020-10-27 20:43:49,780 INFO L274 CegarLoopResult]: For program point L199-2(lines 172 268) no Hoare annotation was computed. [2020-10-27 20:43:49,780 INFO L270 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,780 INFO L274 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-10-27 20:43:49,780 INFO L274 CegarLoopResult]: For program point L150(lines 150 277) no Hoare annotation was computed. [2020-10-27 20:43:49,780 INFO L274 CegarLoopResult]: For program point L117(lines 117 288) no Hoare annotation was computed. [2020-10-27 20:43:49,780 INFO L274 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-10-27 20:43:49,780 INFO L270 CegarLoopResult]: At program point L109(lines 108 291) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 KbFilter_PnP_~status~0) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,781 INFO L270 CegarLoopResult]: At program point L233(lines 233 234) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,781 INFO L274 CegarLoopResult]: For program point L233-1(lines 233 234) no Hoare annotation was computed. [2020-10-27 20:43:49,781 INFO L270 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:49,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:43:49 BoogieIcfgContainer [2020-10-27 20:43:49,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:43:49,821 INFO L168 Benchmark]: Toolchain (without parser) took 43769.60 ms. Allocated memory was 167.8 MB in the beginning and 672.1 MB in the end (delta: 504.4 MB). Free memory was 146.0 MB in the beginning and 351.5 MB in the end (delta: -205.5 MB). Peak memory consumption was 403.7 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:49,821 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 167.8 MB. Free memory is still 138.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:43:49,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.52 ms. Allocated memory is still 167.8 MB. Free memory was 145.4 MB in the beginning and 146.0 MB in the end (delta: -603.0 kB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:49,822 INFO L168 Benchmark]: Boogie Preprocessor took 135.59 ms. Allocated memory is still 167.8 MB. Free memory was 146.0 MB in the beginning and 143.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:49,823 INFO L168 Benchmark]: RCFGBuilder took 1305.16 ms. Allocated memory was 167.8 MB in the beginning and 207.6 MB in the end (delta: 39.8 MB). Free memory was 143.2 MB in the beginning and 159.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:49,823 INFO L168 Benchmark]: TraceAbstraction took 41681.93 ms. Allocated memory was 207.6 MB in the beginning and 672.1 MB in the end (delta: 464.5 MB). Free memory was 158.9 MB in the beginning and 351.5 MB in the end (delta: -192.6 MB). Peak memory consumption was 377.5 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:49,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 167.8 MB. Free memory is still 138.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 621.52 ms. Allocated memory is still 167.8 MB. Free memory was 145.4 MB in the beginning and 146.0 MB in the end (delta: -603.0 kB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.59 ms. Allocated memory is still 167.8 MB. Free memory was 146.0 MB in the beginning and 143.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1305.16 ms. Allocated memory was 167.8 MB in the beginning and 207.6 MB in the end (delta: 39.8 MB). Free memory was 143.2 MB in the beginning and 159.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 41681.93 ms. Allocated memory was 207.6 MB in the beginning and 672.1 MB in the end (delta: 464.5 MB). Free memory was 158.9 MB in the beginning and 351.5 MB in the end (delta: -192.6 MB). Peak memory consumption was 377.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((compRegistered == 0 && s == NP) && !(pended == 1)) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: ((((!(1 <= compRegistered) || pended == 1) || ((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && 0 < __cil_tmp7 + 1073741803)) || !(NP == \old(s))) || MPR1 == NP) && (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || s == NP) || !(MPR3 == \old(s))) || MPR1 == NP - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((pended == 1 || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((compRegistered == 0 && s == NP) && !(pended == 1)) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((pended == 1 || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: ((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((pended == 1 || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((compRegistered == 0 && s == NP) && !(pended == 1)) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || s == NP) || !(MPR3 == \old(s))) || MPR1 == NP - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) || pended == 1) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || pended == 1) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || MPR1 == NP - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) || pended == 1) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || pended == 1) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || MPR1 == NP - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((((((((compRegistered == 0 && s == NP) && !(MPR1 == NP)) && !(pended == 1)) || !(\old(s) == \old(MPR3))) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP)) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((pended == 1 || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((pended == 1 || ((((((lowerDriverReturn == \old(lowerDriverReturn) && 0 <= status) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus))) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || MPR1 == NP - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((!(1 <= compRegistered) || pended == 1) || (((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && returnVal2 == 0) && 0 < __cil_tmp7 + 1073741803)) || !(NP == \old(s))) || ((((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && setEventCalled == 1) && 0 < __cil_tmp7 + 1073741803) && 259 == returnVal2)) || (((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && returnVal2 + 1073741823 == 0) && 0 < __cil_tmp7 + 1073741803)) || MPR1 == NP) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: ((pended == 1 || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: (((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || !(MPR3 == \old(s))) || MPR1 == NP - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((!(1 <= compRegistered) || pended == 1) || ((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && 0 < __cil_tmp7 + 1073741803)) || !(NP == \old(s))) || MPR1 == NP) && (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: ((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || pended == 1) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || MPR1 == NP - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((compRegistered == 0 && s == NP) && !(pended == 1)) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((!(1 <= compRegistered) || pended == 1) || !(NP == \old(s))) || (((__cil_tmp7 + 1073741802 <= 0 && MPR1 == s) && setEventCalled == 1) && 0 < __cil_tmp7 + 1073741803)) || MPR1 == NP) && (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((pended == 1 || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: ((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 243 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.0s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2006 SDtfs, 2743 SDslu, 2774 SDs, 0 SdLazy, 4177 SolverSat, 761 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 331 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 169 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 85 LocationsWithAnnotation, 397 PreInvPairs, 499 NumberOfFragments, 2375 HoareAnnotationTreeSize, 397 FomulaSimplifications, 55636 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 85 FomulaSimplificationsInter, 7121 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 952 NumberOfCodeBlocks, 952 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 934 ConstructedInterpolants, 0 QuantifiedInterpolants, 234180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...