/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 [2020-10-28 15:24:15,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:24:15,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:24:15,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:24:15,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:24:15,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:24:15,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:24:15,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:24:15,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:24:15,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:24:15,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:24:15,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:24:15,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:24:15,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:24:15,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:24:15,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:24:15,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:24:15,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:24:15,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:24:15,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:24:15,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:24:15,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:24:15,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:24:15,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:24:15,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:24:15,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:24:15,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:24:15,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:24:15,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:24:15,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:24:15,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:24:15,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:24:15,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:24:15,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:24:15,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:24:15,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:24:15,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:24:15,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:24:15,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:24:15,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:24:15,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:24:15,706 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 [2020-10-28 15:24:15,742 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:24:15,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:24:15,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:24:15,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:24:15,745 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:24:15,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:24:15,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:24:15,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:24:15,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:24:15,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:24:15,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:24:15,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:24:15,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:24:15,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:24:15,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:24:15,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:24:15,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:24:15,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:24:15,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:24:15,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:24:15,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:24:15,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:24:15,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:24:15,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:24:15,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:24:15,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:24:15,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:24:15,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:24:15,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:24:15,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:24:16,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:24:16,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:24:16,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:24:16,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:24:16,170 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:24:16,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-28 15:24:16,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7215ecff/b22efdcb70604c5c9703f984bc372549/FLAG8c6557fc9 [2020-10-28 15:24:16,987 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:24:16,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-28 15:24:17,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7215ecff/b22efdcb70604c5c9703f984bc372549/FLAG8c6557fc9 [2020-10-28 15:24:17,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7215ecff/b22efdcb70604c5c9703f984bc372549 [2020-10-28 15:24:17,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:24:17,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:24:17,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:24:17,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:24:17,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:24:17,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6629ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17, skipping insertion in model container [2020-10-28 15:24:17,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:24:17,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:24:17,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:24:17,696 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:24:17,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:24:17,896 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:24:17,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17 WrapperNode [2020-10-28 15:24:17,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:24:17,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:24:17,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:24:17,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:24:17,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (1/1) ... [2020-10-28 15:24:17,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:24:17,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:24:17,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:24:17,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:24:17,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (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 [2020-10-28 15:24:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:24:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:24:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:24:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-28 15:24:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-28 15:24:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-28 15:24:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:24:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-28 15:24:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-28 15:24:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-28 15:24:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-28 15:24:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-28 15:24:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-28 15:24:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-10-28 15:24:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-10-28 15:24:18,109 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-10-28 15:24:18,110 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-28 15:24:18,110 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-10-28 15:24:18,110 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-28 15:24:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:24:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:24:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:24:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:24:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 15:24:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:24:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 15:24:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-28 15:24:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-28 15:24:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-28 15:24:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-28 15:24:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-28 15:24:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-28 15:24:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-10-28 15:24:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-10-28 15:24:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-10-28 15:24:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-10-28 15:24:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-28 15:24:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-28 15:24:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-28 15:24:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-28 15:24:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:24:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-28 15:24:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:24:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:24:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:24:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:24:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:24:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:24:18,516 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:18,760 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-28 15:24:18,761 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-28 15:24:18,773 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:18,858 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-28 15:24:18,858 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-28 15:24:18,985 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:19,016 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-28 15:24:19,016 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-28 15:24:19,026 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:19,174 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-28 15:24:19,174 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-28 15:24:19,178 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:19,202 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-28 15:24:19,203 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-28 15:24:19,208 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:19,237 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-28 15:24:19,237 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-28 15:24:19,284 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:24:19,285 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 15:24:19,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:24:19 BoogieIcfgContainer [2020-10-28 15:24:19,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:24:19,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:24:19,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:24:19,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:24:19,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:24:17" (1/3) ... [2020-10-28 15:24:19,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666a7f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:24:19, skipping insertion in model container [2020-10-28 15:24:19,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:17" (2/3) ... [2020-10-28 15:24:19,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666a7f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:24:19, skipping insertion in model container [2020-10-28 15:24:19,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:24:19" (3/3) ... [2020-10-28 15:24:19,297 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-10-28 15:24:19,310 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:24:19,316 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 15:24:19,330 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 15:24:19,366 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:24:19,366 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:24:19,366 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:24:19,366 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:24:19,367 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:24:19,367 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:24:19,367 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:24:19,367 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:24:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states. [2020-10-28 15:24:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-28 15:24:19,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:19,400 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] [2020-10-28 15:24:19,401 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:19,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:19,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2097743147, now seen corresponding path program 1 times [2020-10-28 15:24:19,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:19,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527232967] [2020-10-28 15:24:19,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:19,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:19,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:19,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:19,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:20,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:20,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:20,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:20,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:24:20,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:24:20,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1176 [2020-10-28 15:24:20,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:20,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:20,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:20,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:24:20,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:24:20,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:24:20,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:20,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:21,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:21,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:21,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 15:24:21,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:21,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:21,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:21,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:21,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:21,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:21,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:21,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:21,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 15:24:21,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:21,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:21,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:21,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:21,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:21,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:21,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527232967] [2020-10-28 15:24:21,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:21,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 15:24:21,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305245154] [2020-10-28 15:24:21,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 15:24:21,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:21,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 15:24:21,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 15:24:21,146 INFO L87 Difference]: Start difference. First operand 243 states. Second operand 5 states. [2020-10-28 15:24:22,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:22,077 INFO L93 Difference]: Finished difference Result 414 states and 620 transitions. [2020-10-28 15:24:22,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 15:24:22,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-28 15:24:22,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:22,094 INFO L225 Difference]: With dead ends: 414 [2020-10-28 15:24:22,095 INFO L226 Difference]: Without dead ends: 214 [2020-10-28 15:24:22,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:24:22,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-28 15:24:22,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 187. [2020-10-28 15:24:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-28 15:24:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 265 transitions. [2020-10-28 15:24:22,209 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 265 transitions. Word has length 21 [2020-10-28 15:24:22,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:22,210 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 265 transitions. [2020-10-28 15:24:22,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 15:24:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 265 transitions. [2020-10-28 15:24:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 15:24:22,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:22,213 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] [2020-10-28 15:24:22,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:24:22,213 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:22,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:22,214 INFO L82 PathProgramCache]: Analyzing trace with hash -360253698, now seen corresponding path program 1 times [2020-10-28 15:24:22,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:22,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716469462] [2020-10-28 15:24:22,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:22,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:22,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:22,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 15:24:22,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-28 15:24:22,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:22,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:22,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 15:24:22,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 15:24:22,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:24:22,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:22,765 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 15:24:22,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:22,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:22,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:22,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:22,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:22,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:24:22,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:22,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:22,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:22,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:22,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:22,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:22,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:22,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:22,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:22,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:22,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:22,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:22,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:22,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:22,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:22,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:22,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716469462] [2020-10-28 15:24:22,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:22,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 15:24:22,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333408203] [2020-10-28 15:24:22,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 15:24:22,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:22,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 15:24:22,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:22,909 INFO L87 Difference]: Start difference. First operand 187 states and 265 transitions. Second operand 6 states. [2020-10-28 15:24:23,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:23,882 INFO L93 Difference]: Finished difference Result 305 states and 420 transitions. [2020-10-28 15:24:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 15:24:23,888 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-28 15:24:23,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:23,891 INFO L225 Difference]: With dead ends: 305 [2020-10-28 15:24:23,891 INFO L226 Difference]: Without dead ends: 244 [2020-10-28 15:24:23,893 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 [2020-10-28 15:24:23,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-28 15:24:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 221. [2020-10-28 15:24:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-28 15:24:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 299 transitions. [2020-10-28 15:24:23,946 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 299 transitions. Word has length 29 [2020-10-28 15:24:23,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:23,947 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 299 transitions. [2020-10-28 15:24:23,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 15:24:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 299 transitions. [2020-10-28 15:24:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 15:24:23,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:23,949 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] [2020-10-28 15:24:23,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:24:23,949 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:23,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:23,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1068199997, now seen corresponding path program 1 times [2020-10-28 15:24:23,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:23,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894706690] [2020-10-28 15:24:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:23,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:24,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:24,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:24:24,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:24,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-28 15:24:24,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:24,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 15:24:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:24:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:24,323 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 15:24:24,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:24,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:24,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:24,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:24,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:24,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 15:24:24,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:24,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:24,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:24,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:24,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:24,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:24,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:24,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:24,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:24,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:24,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:24,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:24,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:24,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:24,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:24,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:24,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:24,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894706690] [2020-10-28 15:24:24,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:24,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 15:24:24,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518454065] [2020-10-28 15:24:24,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 15:24:24,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:24,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 15:24:24,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:24,481 INFO L87 Difference]: Start difference. First operand 221 states and 299 transitions. Second operand 6 states. [2020-10-28 15:24:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:25,320 INFO L93 Difference]: Finished difference Result 291 states and 381 transitions. [2020-10-28 15:24:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 15:24:25,324 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-28 15:24:25,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:25,327 INFO L225 Difference]: With dead ends: 291 [2020-10-28 15:24:25,327 INFO L226 Difference]: Without dead ends: 240 [2020-10-28 15:24:25,331 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 [2020-10-28 15:24:25,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-28 15:24:25,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 202. [2020-10-28 15:24:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-28 15:24:25,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 271 transitions. [2020-10-28 15:24:25,394 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 271 transitions. Word has length 29 [2020-10-28 15:24:25,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:25,395 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 271 transitions. [2020-10-28 15:24:25,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 15:24:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 271 transitions. [2020-10-28 15:24:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-28 15:24:25,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:25,406 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] [2020-10-28 15:24:25,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:24:25,406 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:25,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:25,408 INFO L82 PathProgramCache]: Analyzing trace with hash -397096216, now seen corresponding path program 1 times [2020-10-28 15:24:25,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:25,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006057231] [2020-10-28 15:24:25,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:25,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:25,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:25,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 15:24:25,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:25,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-28 15:24:25,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:25,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 15:24:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:24:25,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:25,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:25,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:25,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:25,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:25,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:25,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:25,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:25,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:25,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:25,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:25,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:25,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:25,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:25,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:25,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:25,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:25,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:25,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:25,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:25,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:25,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:25,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:25,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:25,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:25,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:25,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006057231] [2020-10-28 15:24:25,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:25,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 15:24:25,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272518233] [2020-10-28 15:24:25,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 15:24:25,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:25,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 15:24:25,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:25,882 INFO L87 Difference]: Start difference. First operand 202 states and 271 transitions. Second operand 6 states. [2020-10-28 15:24:26,012 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-28 15:24:26,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:26,652 INFO L93 Difference]: Finished difference Result 214 states and 285 transitions. [2020-10-28 15:24:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 15:24:26,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-28 15:24:26,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:26,654 INFO L225 Difference]: With dead ends: 214 [2020-10-28 15:24:26,654 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 15:24:26,655 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 [2020-10-28 15:24:26,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 15:24:26,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 103. [2020-10-28 15:24:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-28 15:24:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2020-10-28 15:24:26,673 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 39 [2020-10-28 15:24:26,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:26,673 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2020-10-28 15:24:26,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 15:24:26,674 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2020-10-28 15:24:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 15:24:26,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:26,675 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] [2020-10-28 15:24:26,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:24:26,675 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:26,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:26,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1947652478, now seen corresponding path program 1 times [2020-10-28 15:24:26,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:26,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970412502] [2020-10-28 15:24:26,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:26,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:26,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:26,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-28 15:24:29,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:24:29,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2324 [2020-10-28 15:24:29,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 15:24:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:24:29,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:29,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:29,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:29,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:29,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:29,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:29,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:29,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:29,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:24:29,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:29,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 15:24:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:24:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:29,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970412502] [2020-10-28 15:24:29,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:29,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:24:29,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103282298] [2020-10-28 15:24:29,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:24:29,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:29,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:24:29,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:24:29,298 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 8 states. [2020-10-28 15:24:30,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:30,049 INFO L93 Difference]: Finished difference Result 139 states and 163 transitions. [2020-10-28 15:24:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:30,050 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2020-10-28 15:24:30,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:30,051 INFO L225 Difference]: With dead ends: 139 [2020-10-28 15:24:30,052 INFO L226 Difference]: Without dead ends: 103 [2020-10-28 15:24:30,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:30,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-28 15:24:30,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-28 15:24:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-28 15:24:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2020-10-28 15:24:30,074 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 47 [2020-10-28 15:24:30,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:30,074 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2020-10-28 15:24:30,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:24:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2020-10-28 15:24:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 15:24:30,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:30,076 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] [2020-10-28 15:24:30,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 15:24:30,076 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:30,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:30,077 INFO L82 PathProgramCache]: Analyzing trace with hash -423326175, now seen corresponding path program 1 times [2020-10-28 15:24:30,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:30,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591347709] [2020-10-28 15:24:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 15:24:30,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 15:24:30,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 15:24:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:24:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:30,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:30,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:30,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:24:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:30,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:30,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:30,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 15:24:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:30,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:30,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591347709] [2020-10-28 15:24:30,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:30,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:24:30,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36905879] [2020-10-28 15:24:30,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:24:30,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:30,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:24:30,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:24:30,472 INFO L87 Difference]: Start difference. First operand 103 states and 119 transitions. Second operand 8 states. [2020-10-28 15:24:30,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:30,981 INFO L93 Difference]: Finished difference Result 132 states and 153 transitions. [2020-10-28 15:24:30,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:30,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-28 15:24:30,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:30,985 INFO L225 Difference]: With dead ends: 132 [2020-10-28 15:24:30,985 INFO L226 Difference]: Without dead ends: 101 [2020-10-28 15:24:30,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-28 15:24:30,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-28 15:24:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-28 15:24:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 115 transitions. [2020-10-28 15:24:31,004 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 115 transitions. Word has length 54 [2020-10-28 15:24:31,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:31,005 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 115 transitions. [2020-10-28 15:24:31,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:24:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2020-10-28 15:24:31,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 15:24:31,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:31,006 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] [2020-10-28 15:24:31,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 15:24:31,006 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:31,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:31,013 INFO L82 PathProgramCache]: Analyzing trace with hash 66580976, now seen corresponding path program 1 times [2020-10-28 15:24:31,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:31,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879512111] [2020-10-28 15:24:31,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:31,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:31,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:31,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:31,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:34,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:34,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 15:24:34,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:24:34,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3227 [2020-10-28 15:24:34,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:34,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 15:24:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 15:24:34,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:34,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:34,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:34,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:34,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:34,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:34,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:24:34,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:34,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:34,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:34,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:34,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:34,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:34,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:34,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:34,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:34,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:34,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:34,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:34,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:34,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:34,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:34,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:34,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:34,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:34,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 15:24:34,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 15:24:34,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:34,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:34,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:34,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:34,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:34,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:34,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:34,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:34,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:34,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:34,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:34,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:34,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:34,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:34,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:34,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:34,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:34,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:34,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:34,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879512111] [2020-10-28 15:24:34,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:34,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:24:34,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718621737] [2020-10-28 15:24:34,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:24:34,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:34,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:24:34,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:24:34,671 INFO L87 Difference]: Start difference. First operand 101 states and 115 transitions. Second operand 8 states. [2020-10-28 15:24:34,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:34,962 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2020-10-28 15:24:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 15:24:34,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 15:24:34,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:34,964 INFO L225 Difference]: With dead ends: 119 [2020-10-28 15:24:34,965 INFO L226 Difference]: Without dead ends: 113 [2020-10-28 15:24:34,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-28 15:24:34,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 103. [2020-10-28 15:24:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-28 15:24:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2020-10-28 15:24:34,981 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 58 [2020-10-28 15:24:34,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:34,982 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2020-10-28 15:24:34,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:24:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2020-10-28 15:24:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 15:24:34,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:34,983 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] [2020-10-28 15:24:34,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 15:24:34,984 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:34,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:34,984 INFO L82 PathProgramCache]: Analyzing trace with hash 836849471, now seen corresponding path program 1 times [2020-10-28 15:24:34,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:34,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26398373] [2020-10-28 15:24:34,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:35,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 15:24:35,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:35,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-10-28 15:24:35,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:24:35,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-28 15:24:35,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:24:35,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:36,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:36,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:36,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:36,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:36,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:36,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:36,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:36,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:36,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:36,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:36,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:36,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:36,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:36,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:36,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:36,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:36,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:36,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:36,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:36,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:36,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:36,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:36,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:36,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:36,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 15:24:36,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:36,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 15:24:36,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:36,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:36,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:36,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:36,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 15:24:36,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:36,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:36,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:36,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:36,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:36,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:36,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:36,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:36,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:36,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:36,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:36,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:36,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:36,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:36,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:36,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26398373] [2020-10-28 15:24:36,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:36,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:24:36,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002231940] [2020-10-28 15:24:36,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:24:36,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:36,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:24:36,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:36,330 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 11 states. [2020-10-28 15:24:36,491 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 15:24:36,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:36,819 INFO L93 Difference]: Finished difference Result 154 states and 177 transitions. [2020-10-28 15:24:36,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:24:36,819 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 58 [2020-10-28 15:24:36,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:36,821 INFO L225 Difference]: With dead ends: 154 [2020-10-28 15:24:36,821 INFO L226 Difference]: Without dead ends: 123 [2020-10-28 15:24:36,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:24:36,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-28 15:24:36,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 115. [2020-10-28 15:24:36,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 15:24:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2020-10-28 15:24:36,843 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 58 [2020-10-28 15:24:36,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:36,843 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2020-10-28 15:24:36,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:24:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2020-10-28 15:24:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-28 15:24:36,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:36,845 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] [2020-10-28 15:24:36,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 15:24:36,845 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:36,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:36,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1012631488, now seen corresponding path program 1 times [2020-10-28 15:24:36,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:36,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948542705] [2020-10-28 15:24:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:41,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:41,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 15:24:41,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:24:41,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 15:24:41,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:41,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:41,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:24:41,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:24:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 15:24:41,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:42,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:42,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:42,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:42,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:42,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:42,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 15:24:42,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:42,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 15:24:42,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:24:42,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 15:24:42,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:42,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:42,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:42,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:42,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948542705] [2020-10-28 15:24:42,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:42,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:24:42,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918113494] [2020-10-28 15:24:42,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:24:42,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:42,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:24:42,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:42,341 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand 11 states. [2020-10-28 15:24:43,061 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-28 15:24:43,251 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 15:24:43,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:43,361 INFO L93 Difference]: Finished difference Result 175 states and 200 transitions. [2020-10-28 15:24:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:24:43,362 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-10-28 15:24:43,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:43,363 INFO L225 Difference]: With dead ends: 175 [2020-10-28 15:24:43,364 INFO L226 Difference]: Without dead ends: 152 [2020-10-28 15:24:43,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2020-10-28 15:24:43,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-28 15:24:43,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 131. [2020-10-28 15:24:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-28 15:24:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 149 transitions. [2020-10-28 15:24:43,402 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 149 transitions. Word has length 59 [2020-10-28 15:24:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:43,403 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 149 transitions. [2020-10-28 15:24:43,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:24:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 149 transitions. [2020-10-28 15:24:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-28 15:24:43,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:43,404 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] [2020-10-28 15:24:43,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 15:24:43,405 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:43,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:43,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1738148909, now seen corresponding path program 1 times [2020-10-28 15:24:43,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:43,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670771757] [2020-10-28 15:24:43,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 15:24:44,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-28 15:24:44,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 15:24:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 15:24:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:24:44,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:44,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:44,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 15:24:44,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:44,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 15:24:44,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 15:24:44,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:44,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:44,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:44,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:44,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670771757] [2020-10-28 15:24:44,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:44,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:24:44,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713324864] [2020-10-28 15:24:44,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:24:44,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:44,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:24:44,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:24:44,401 INFO L87 Difference]: Start difference. First operand 131 states and 149 transitions. Second operand 8 states. [2020-10-28 15:24:45,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:45,091 INFO L93 Difference]: Finished difference Result 254 states and 288 transitions. [2020-10-28 15:24:45,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 15:24:45,091 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-28 15:24:45,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:45,094 INFO L225 Difference]: With dead ends: 254 [2020-10-28 15:24:45,094 INFO L226 Difference]: Without dead ends: 246 [2020-10-28 15:24:45,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:45,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-28 15:24:45,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 233. [2020-10-28 15:24:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-28 15:24:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 268 transitions. [2020-10-28 15:24:45,135 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 268 transitions. Word has length 59 [2020-10-28 15:24:45,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:45,136 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 268 transitions. [2020-10-28 15:24:45,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:24:45,136 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 268 transitions. [2020-10-28 15:24:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-28 15:24:45,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:45,137 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] [2020-10-28 15:24:45,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 15:24:45,138 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:45,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:45,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1747471761, now seen corresponding path program 1 times [2020-10-28 15:24:45,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:45,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873557630] [2020-10-28 15:24:45,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:45,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:45,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:45,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 15:24:45,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-28 15:24:45,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:45,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 15:24:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:45,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:45,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:45,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:45,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:45,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:24:45,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:45,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:45,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:45,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:45,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:45,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:45,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:45,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:45,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:45,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:45,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:45,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:45,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:45,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:45,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:45,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:45,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:45,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:45,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:45,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:45,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:45,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 15:24:45,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:45,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 15:24:45,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:45,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:45,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:45,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:24:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:45,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:45,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:45,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:45,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:45,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:45,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:45,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:24:45,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:45,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:24:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 15:24:45,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:45,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:45,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:45,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:45,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:45,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:45,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:45,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:45,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873557630] [2020-10-28 15:24:45,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:45,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:24:45,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657132132] [2020-10-28 15:24:45,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:24:45,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:45,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:24:45,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:24:45,657 INFO L87 Difference]: Start difference. First operand 233 states and 268 transitions. Second operand 10 states. [2020-10-28 15:24:45,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:45,908 INFO L93 Difference]: Finished difference Result 295 states and 340 transitions. [2020-10-28 15:24:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:45,909 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-28 15:24:45,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:45,911 INFO L225 Difference]: With dead ends: 295 [2020-10-28 15:24:45,911 INFO L226 Difference]: Without dead ends: 217 [2020-10-28 15:24:45,912 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 [2020-10-28 15:24:45,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-28 15:24:45,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-10-28 15:24:45,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-28 15:24:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2020-10-28 15:24:45,945 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 59 [2020-10-28 15:24:45,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:45,945 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2020-10-28 15:24:45,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:24:45,945 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2020-10-28 15:24:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 15:24:45,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:45,947 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] [2020-10-28 15:24:45,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 15:24:45,947 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:45,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:45,948 INFO L82 PathProgramCache]: Analyzing trace with hash 298750794, now seen corresponding path program 1 times [2020-10-28 15:24:45,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:45,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613012929] [2020-10-28 15:24:45,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:46,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:46,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 15:24:46,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:46,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-28 15:24:46,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:46,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:24:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:24:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 15:24:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:46,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:46,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:46,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:46,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:46,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:46,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:46,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:46,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:46,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:46,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:46,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:46,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:46,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:46,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:46,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:46,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:46,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:46,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:46,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:46,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:46,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:46,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:46,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:46,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:46,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:46,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:46,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:46,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:46,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:24:46,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:46,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 15:24:46,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:46,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:46,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:24:46,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 15:24:46,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 15:24:46,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:46,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:46,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:46,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:46,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:46,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:46,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:46,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:46,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:46,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:46,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:46,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:46,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:46,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:46,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:24:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:46,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:46,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:46,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:46,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:46,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:46,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:46,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:46,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:46,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:46,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613012929] [2020-10-28 15:24:46,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:46,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:24:46,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080442419] [2020-10-28 15:24:46,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:24:46,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:46,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:24:46,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:46,471 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 11 states. [2020-10-28 15:24:46,632 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 15:24:46,822 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 15:24:47,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:47,322 INFO L93 Difference]: Finished difference Result 231 states and 262 transitions. [2020-10-28 15:24:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 15:24:47,322 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-10-28 15:24:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:47,324 INFO L225 Difference]: With dead ends: 231 [2020-10-28 15:24:47,324 INFO L226 Difference]: Without dead ends: 169 [2020-10-28 15:24:47,325 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 [2020-10-28 15:24:47,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-10-28 15:24:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2020-10-28 15:24:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-28 15:24:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 186 transitions. [2020-10-28 15:24:47,351 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 186 transitions. Word has length 63 [2020-10-28 15:24:47,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:47,351 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 186 transitions. [2020-10-28 15:24:47,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:24:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 186 transitions. [2020-10-28 15:24:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 15:24:47,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:47,352 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] [2020-10-28 15:24:47,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 15:24:47,353 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:47,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1670518176, now seen corresponding path program 1 times [2020-10-28 15:24:47,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:47,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619651790] [2020-10-28 15:24:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:47,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:47,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:47,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:47,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:48,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:49,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:49,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 15:24:49,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:24:49,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1884 [2020-10-28 15:24:49,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:49,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:24:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:24:49,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 15:24:49,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:49,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:49,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:49,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:49,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:49,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:49,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:49,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:49,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:49,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:49,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:49,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:49,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:49,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:49,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:49,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:49,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:49,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:49,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:49,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:49,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:49,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:49,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:49,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:49,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:49,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:49,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:49,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:49,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 15:24:49,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:49,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 15:24:49,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:49,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:24:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 15:24:49,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:49,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:49,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:49,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:49,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:49,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:49,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:49,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:49,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:49,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:49,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:49,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:49,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:49,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:49,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:49,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:49,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:49,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:24:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:49,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:49,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:49,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:49,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:49,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:49,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:49,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:49,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:49,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619651790] [2020-10-28 15:24:49,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:49,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:24:49,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855347721] [2020-10-28 15:24:49,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:24:49,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:49,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:24:49,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:49,599 INFO L87 Difference]: Start difference. First operand 169 states and 186 transitions. Second operand 11 states. [2020-10-28 15:24:49,970 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-28 15:24:50,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:50,477 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2020-10-28 15:24:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 15:24:50,477 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 65 [2020-10-28 15:24:50,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:50,479 INFO L225 Difference]: With dead ends: 173 [2020-10-28 15:24:50,479 INFO L226 Difference]: Without dead ends: 147 [2020-10-28 15:24:50,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-10-28 15:24:50,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-28 15:24:50,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-10-28 15:24:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-28 15:24:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 160 transitions. [2020-10-28 15:24:50,500 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 160 transitions. Word has length 65 [2020-10-28 15:24:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:50,500 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 160 transitions. [2020-10-28 15:24:50,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:24:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 160 transitions. [2020-10-28 15:24:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 15:24:50,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:50,501 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] [2020-10-28 15:24:50,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 15:24:50,502 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:50,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:50,502 INFO L82 PathProgramCache]: Analyzing trace with hash 147506076, now seen corresponding path program 1 times [2020-10-28 15:24:50,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:50,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547149200] [2020-10-28 15:24:50,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:50,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:50,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:50,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:51,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 15:24:51,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:24:51,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-28 15:24:51,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:51,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:51,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:51,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 15:24:51,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:24:51,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:51,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:51,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:51,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:51,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:51,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:51,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:51,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:51,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:51,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:51,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:51,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:51,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:51,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:51,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:51,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:51,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:51,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:51,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:51,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:51,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:51,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:51,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:51,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:51,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:51,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:24:51,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:51,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:24:51,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:51,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:51,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:51,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 15:24:51,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:24:51,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:51,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:51,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:51,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:51,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:51,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:51,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:51,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:51,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:51,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:51,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:51,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:51,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:51,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:51,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:51,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:51,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:51,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:51,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:24:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:51,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:51,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:51,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:51,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:51,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:51,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:51,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:51,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547149200] [2020-10-28 15:24:51,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:51,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:24:51,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362347485] [2020-10-28 15:24:51,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:24:51,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:51,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:24:51,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:51,426 INFO L87 Difference]: Start difference. First operand 147 states and 160 transitions. Second operand 9 states. [2020-10-28 15:24:51,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:51,656 INFO L93 Difference]: Finished difference Result 206 states and 229 transitions. [2020-10-28 15:24:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 15:24:51,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-28 15:24:51,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:51,658 INFO L225 Difference]: With dead ends: 206 [2020-10-28 15:24:51,658 INFO L226 Difference]: Without dead ends: 145 [2020-10-28 15:24:51,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:51,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-28 15:24:51,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2020-10-28 15:24:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-28 15:24:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 156 transitions. [2020-10-28 15:24:51,683 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 156 transitions. Word has length 65 [2020-10-28 15:24:51,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:51,684 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 156 transitions. [2020-10-28 15:24:51,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:24:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 156 transitions. [2020-10-28 15:24:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 15:24:51,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:51,685 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] [2020-10-28 15:24:51,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 15:24:51,686 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:51,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:51,687 INFO L82 PathProgramCache]: Analyzing trace with hash 859980764, now seen corresponding path program 1 times [2020-10-28 15:24:51,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:51,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341188496] [2020-10-28 15:24:51,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:51,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:52,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 15:24:52,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:24:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-28 15:24:52,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:52,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:24:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 15:24:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:24:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:52,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:52,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:52,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:52,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:52,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:52,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:52,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:52,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:52,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:52,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:52,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:52,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:52,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:52,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:52,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:52,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:52,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:52,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:52,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:52,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:52,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:24:52,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:52,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 15:24:52,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:52,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:52,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:52,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:52,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 15:24:52,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:52,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:52,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:52,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:52,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:52,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:52,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:52,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:52,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:52,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:52,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:52,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:52,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:52,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:52,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:52,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:24:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:52,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:52,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:52,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:52,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:52,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:52,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:52,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:52,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:52,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:52,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341188496] [2020-10-28 15:24:52,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:52,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:24:52,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909021480] [2020-10-28 15:24:52,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:24:52,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:52,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:24:52,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:24:52,645 INFO L87 Difference]: Start difference. First operand 145 states and 156 transitions. Second operand 12 states. [2020-10-28 15:24:53,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:53,093 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2020-10-28 15:24:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:24:53,094 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-10-28 15:24:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:53,095 INFO L225 Difference]: With dead ends: 153 [2020-10-28 15:24:53,095 INFO L226 Difference]: Without dead ends: 145 [2020-10-28 15:24:53,096 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 [2020-10-28 15:24:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-28 15:24:53,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2020-10-28 15:24:53,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-28 15:24:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 154 transitions. [2020-10-28 15:24:53,121 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 154 transitions. Word has length 65 [2020-10-28 15:24:53,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:53,121 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 154 transitions. [2020-10-28 15:24:53,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:24:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2020-10-28 15:24:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 15:24:53,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:53,122 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] [2020-10-28 15:24:53,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 15:24:53,123 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:53,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:53,123 INFO L82 PathProgramCache]: Analyzing trace with hash -295561405, now seen corresponding path program 1 times [2020-10-28 15:24:53,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:53,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554726965] [2020-10-28 15:24:53,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:53,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:53,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:53,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 15:24:53,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:53,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-28 15:24:53,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:53,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:53,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:53,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 15:24:53,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 15:24:53,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:53,465 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 15:24:53,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:53,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:53,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:53,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:53,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:24:53,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:53,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:53,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:53,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:53,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:53,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:53,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:53,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:53,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:53,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:53,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:53,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:53,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:53,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:53,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:53,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:53,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:53,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:53,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:53,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:53,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:53,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:53,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:53,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:53,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:53,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:53,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:24:53,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:53,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 15:24:53,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:53,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 15:24:53,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:53,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:53,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:53,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:53,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:53,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:53,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:24:53,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:53,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:53,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:53,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:24:53,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:53,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:53,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:53,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:53,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:53,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:53,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:53,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:53,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:24:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:53,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:53,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:53,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:53,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:53,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:53,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:53,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:53,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:53,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:53,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:53,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554726965] [2020-10-28 15:24:53,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:53,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:24:53,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063903224] [2020-10-28 15:24:53,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:24:53,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:53,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:24:53,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:53,710 INFO L87 Difference]: Start difference. First operand 145 states and 154 transitions. Second operand 9 states. [2020-10-28 15:24:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:54,039 INFO L93 Difference]: Finished difference Result 171 states and 182 transitions. [2020-10-28 15:24:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:54,039 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-10-28 15:24:54,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:54,041 INFO L225 Difference]: With dead ends: 171 [2020-10-28 15:24:54,041 INFO L226 Difference]: Without dead ends: 138 [2020-10-28 15:24:54,041 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 [2020-10-28 15:24:54,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-28 15:24:54,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-10-28 15:24:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-28 15:24:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 143 transitions. [2020-10-28 15:24:54,068 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 143 transitions. Word has length 66 [2020-10-28 15:24:54,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:54,068 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 143 transitions. [2020-10-28 15:24:54,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:24:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2020-10-28 15:24:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 15:24:54,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:54,072 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] [2020-10-28 15:24:54,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 15:24:54,072 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:54,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:54,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1830425452, now seen corresponding path program 1 times [2020-10-28 15:24:54,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:54,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877006301] [2020-10-28 15:24:54,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:54,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:54,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:54,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:54,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 15:24:54,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:54,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-28 15:24:54,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:54,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:24:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 15:24:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:24:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:54,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:54,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:54,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:54,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:54,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:54,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 15:24:54,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:54,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:54,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:54,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:54,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:24:54,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:54,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:54,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:54,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:54,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:54,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:54,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:54,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:54,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:54,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:54,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:54,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:54,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:54,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:54,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:54,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:54,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:54,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:54,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:54,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:54,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:54,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:55,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:55,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:24:55,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:55,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 15:24:55,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:55,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 15:24:55,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:55,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:55,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:55,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:55,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:55,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:55,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:55,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:55,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:55,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:55,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:55,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:55,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:55,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:55,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:55,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:55,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:55,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:55,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:55,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:24:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:55,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:55,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:55,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:55,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:55,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:55,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:55,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:55,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:55,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:55,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:55,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:55,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877006301] [2020-10-28 15:24:55,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:55,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:24:55,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425172719] [2020-10-28 15:24:55,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:24:55,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:55,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:24:55,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:24:55,142 INFO L87 Difference]: Start difference. First operand 138 states and 143 transitions. Second operand 12 states. [2020-10-28 15:24:55,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:55,571 INFO L93 Difference]: Finished difference Result 150 states and 155 transitions. [2020-10-28 15:24:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:24:55,572 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 66 [2020-10-28 15:24:55,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:55,573 INFO L225 Difference]: With dead ends: 150 [2020-10-28 15:24:55,574 INFO L226 Difference]: Without dead ends: 138 [2020-10-28 15:24:55,574 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 [2020-10-28 15:24:55,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-28 15:24:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-10-28 15:24:55,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-28 15:24:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 141 transitions. [2020-10-28 15:24:55,600 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 141 transitions. Word has length 66 [2020-10-28 15:24:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:55,600 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 141 transitions. [2020-10-28 15:24:55,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:24:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 141 transitions. [2020-10-28 15:24:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-28 15:24:55,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:55,602 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] [2020-10-28 15:24:55,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 15:24:55,602 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:55,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:55,602 INFO L82 PathProgramCache]: Analyzing trace with hash 281047691, now seen corresponding path program 1 times [2020-10-28 15:24:55,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:55,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89843123] [2020-10-28 15:24:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:55,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:55,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 15:24:56,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-10-28 15:24:56,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 15:24:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:24:56,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:56,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:56,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:56,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:56,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:56,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:56,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:56,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:56,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:56,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:56,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:56,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:56,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:56,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:56,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:56,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:56,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:56,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:56,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:56,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:24:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:56,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:24:56,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:56,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 15:24:56,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 15:24:56,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:56,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:56,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:56,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:56,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:56,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:56,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:56,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:56,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:56,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:56,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:56,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:56,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:24:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:56,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:56,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:56,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:56,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 15:24:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:56,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:56,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:56,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:24:56,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 15:24:56,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:56,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 15:24:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:24:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:56,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:56,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89843123] [2020-10-28 15:24:56,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:56,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:24:56,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900402010] [2020-10-28 15:24:56,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:24:56,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:56,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:24:56,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:56,468 INFO L87 Difference]: Start difference. First operand 138 states and 141 transitions. Second operand 11 states. [2020-10-28 15:24:56,631 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-28 15:24:56,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:56,991 INFO L93 Difference]: Finished difference Result 138 states and 141 transitions. [2020-10-28 15:24:56,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:56,992 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2020-10-28 15:24:56,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:56,992 INFO L225 Difference]: With dead ends: 138 [2020-10-28 15:24:56,992 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 15:24:56,993 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 [2020-10-28 15:24:56,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 15:24:56,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 15:24:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 15:24:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 15:24:56,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2020-10-28 15:24:56,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:56,994 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 15:24:56,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:24:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 15:24:56,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 15:24:56,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 15:24:56,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 15:24:58,308 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 46 [2020-10-28 15:24:58,690 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-10-28 15:24:59,137 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2020-10-28 15:24:59,739 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 40 [2020-10-28 15:24:59,935 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2020-10-28 15:25:00,233 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2020-10-28 15:25:00,368 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-10-28 15:25:00,629 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-10-28 15:25:01,029 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 42 [2020-10-28 15:25:01,181 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 41 [2020-10-28 15:25:01,287 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-28 15:25:01,746 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2020-10-28 15:25:02,028 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 56 [2020-10-28 15:25:02,138 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-28 15:25:02,413 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 46 [2020-10-28 15:25:02,625 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 41 [2020-10-28 15:25:02,782 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-28 15:25:03,087 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2020-10-28 15:25:03,376 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2020-10-28 15:25:03,763 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2020-10-28 15:25:04,107 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-10-28 15:25:04,221 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-28 15:25:04,563 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 41 [2020-10-28 15:25:04,721 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-28 15:25:04,875 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-28 15:25:05,219 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2020-10-28 15:25:05,423 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-28 15:25:05,940 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 41 [2020-10-28 15:25:06,154 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2020-10-28 15:25:06,431 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2020-10-28 15:25:06,718 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2020-10-28 15:25:06,907 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-28 15:25:07,101 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 47 [2020-10-28 15:25:07,327 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-10-28 15:25:07,708 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2020-10-28 15:25:07,809 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 15:25:07,810 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 15:25:07,810 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 15:25:07,810 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 15:25:07,810 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-28 15:25:07,811 INFO L270 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 618 628) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-28 15:25:07,811 INFO L274 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-28 15:25:07,811 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 618 628) no Hoare annotation was computed. [2020-10-28 15:25:07,811 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 618 628) no Hoare annotation was computed. [2020-10-28 15:25:07,813 INFO L270 CegarLoopResult]: At program point KeSetEventENTRY(lines 568 575) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-28 15:25:07,813 INFO L274 CegarLoopResult]: For program point KeSetEventFINAL(lines 568 575) no Hoare annotation was computed. [2020-10-28 15:25:07,813 INFO L274 CegarLoopResult]: For program point KeSetEventEXIT(lines 568 575) no Hoare annotation was computed. [2020-10-28 15:25:07,813 INFO L274 CegarLoopResult]: For program point L700(lines 700 729) no Hoare annotation was computed. [2020-10-28 15:25:07,813 INFO L274 CegarLoopResult]: For program point KbFilter_PowerEXIT(lines 689 744) no Hoare annotation was computed. [2020-10-28 15:25:07,813 INFO L274 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-10-28 15:25:07,813 INFO L270 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~SKIP1~0 ~s~0) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-28 15:25:07,814 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)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-28 15:25:07,814 INFO L274 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-10-28 15:25:07,814 INFO L274 CegarLoopResult]: For program point L703(lines 703 728) no Hoare annotation was computed. [2020-10-28 15:25:07,814 INFO L270 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (not (= ~compRegistered~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (<= ~pended~0 0))) [2020-10-28 15:25:07,815 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)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-28 15:25:07,815 INFO L274 CegarLoopResult]: For program point L734-1(lines 730 736) no Hoare annotation was computed. [2020-10-28 15:25:07,815 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)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-28 15:25:07,815 INFO L274 CegarLoopResult]: For program point KbFilter_PowerFINAL(lines 689 744) no Hoare annotation was computed. [2020-10-28 15:25:07,815 INFO L274 CegarLoopResult]: For program point L706(lines 706 727) no Hoare annotation was computed. [2020-10-28 15:25:07,815 INFO L274 CegarLoopResult]: For program point stub_driver_initEXIT(lines 43 56) no Hoare annotation was computed. [2020-10-28 15:25:07,815 INFO L270 CegarLoopResult]: At program point stub_driver_initENTRY(lines 43 56) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (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 (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= |old(~pended~0)| 0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,815 INFO L274 CegarLoopResult]: For program point stub_driver_initFINAL(lines 43 56) no Hoare annotation was computed. [2020-10-28 15:25:07,816 INFO L274 CegarLoopResult]: For program point _BLAST_initFINAL(lines 57 78) no Hoare annotation was computed. [2020-10-28 15:25:07,816 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)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,817 INFO L274 CegarLoopResult]: For program point _BLAST_initEXIT(lines 57 78) no Hoare annotation was computed. [2020-10-28 15:25:07,817 INFO L277 CegarLoopResult]: At program point errorFnENTRY(lines 1009 1016) the Hoare annotation is: true [2020-10-28 15:25:07,817 INFO L274 CegarLoopResult]: For program point errorFnFINAL(lines 1009 1016) no Hoare annotation was computed. [2020-10-28 15:25:07,817 INFO L274 CegarLoopResult]: For program point errorFnEXIT(lines 1009 1016) no Hoare annotation was computed. [2020-10-28 15:25:07,817 INFO L274 CegarLoopResult]: For program point L1013(line 1013) no Hoare annotation was computed. [2020-10-28 15:25:07,817 INFO L274 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-10-28 15:25:07,817 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 295 466) no Hoare annotation was computed. [2020-10-28 15:25:07,817 INFO L270 CegarLoopResult]: At program point L374(lines 373 408) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,817 INFO L274 CegarLoopResult]: For program point L432(lines 432 459) no Hoare annotation was computed. [2020-10-28 15:25:07,817 INFO L274 CegarLoopResult]: For program point L358(lines 358 411) no Hoare annotation was computed. [2020-10-28 15:25:07,818 INFO L274 CegarLoopResult]: For program point L449(lines 449 457) no Hoare annotation was computed. [2020-10-28 15:25:07,818 INFO L270 CegarLoopResult]: At program point L441(lines 432 459) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:25:07,818 INFO L274 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-10-28 15:25:07,818 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 15:25:07,818 INFO L270 CegarLoopResult]: At program point L359(lines 358 411) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,818 INFO L274 CegarLoopResult]: For program point L450(lines 450 452) no Hoare annotation was computed. [2020-10-28 15:25:07,818 INFO L270 CegarLoopResult]: At program point L376(lines 375 408) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:25:07,818 INFO L274 CegarLoopResult]: For program point L434(lines 434 436) no Hoare annotation was computed. [2020-10-28 15:25:07,818 INFO L274 CegarLoopResult]: For program point L368(lines 368 409) no Hoare annotation was computed. [2020-10-28 15:25:07,819 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 295 466) no Hoare annotation was computed. [2020-10-28 15:25:07,819 INFO L274 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-10-28 15:25:07,819 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)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,819 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-10-28 15:25:07,819 INFO L274 CegarLoopResult]: For program point L344(lines 330 413) no Hoare annotation was computed. [2020-10-28 15:25:07,820 INFO L270 CegarLoopResult]: At program point L369(lines 368 409) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,820 INFO L270 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (and (= ~MPR3~0 ~s~0) (= ~IPC~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,820 INFO L274 CegarLoopResult]: For program point L328-1(lines 324 465) no Hoare annotation was computed. [2020-10-28 15:25:07,820 INFO L274 CegarLoopResult]: For program point L353(lines 353 412) no Hoare annotation was computed. [2020-10-28 15:25:07,820 INFO L274 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-28 15:25:07,821 INFO L270 CegarLoopResult]: At program point L354(lines 353 412) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,821 INFO L270 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,821 INFO L270 CegarLoopResult]: At program point L429(lines 422 462) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:25:07,821 INFO L274 CegarLoopResult]: For program point L363(lines 363 410) no Hoare annotation was computed. [2020-10-28 15:25:07,821 INFO L270 CegarLoopResult]: At program point L330(lines 324 465) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:25:07,821 INFO L274 CegarLoopResult]: For program point L454(lines 454 456) no Hoare annotation was computed. [2020-10-28 15:25:07,821 INFO L270 CegarLoopResult]: At program point L421(lines 414 463) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:25:07,821 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-10-28 15:25:07,822 INFO L274 CegarLoopResult]: For program point L339(lines 339 342) no Hoare annotation was computed. [2020-10-28 15:25:07,822 INFO L270 CegarLoopResult]: At program point L339-2(lines 339 342) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~MPR1~0 ~NP~0)) (<= (+ ~MPR3~0 1) ~IPC~0) (<= ~pended~0 0)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,822 INFO L274 CegarLoopResult]: For program point L430(lines 414 463) no Hoare annotation was computed. [2020-10-28 15:25:07,822 INFO L270 CegarLoopResult]: At program point L364(lines 363 410) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~MPR1~0 ~NP~0)) (<= (+ ~MPR3~0 1) ~IPC~0) (<= ~pended~0 0)) (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 (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:25:07,822 INFO L274 CegarLoopResult]: For program point L373(lines 373 408) no Hoare annotation was computed. [2020-10-28 15:25:07,822 INFO L274 CegarLoopResult]: For program point L431(lines 431 460) no Hoare annotation was computed. [2020-10-28 15:25:07,822 INFO L274 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-10-28 15:25:07,822 INFO L274 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-10-28 15:25:07,823 INFO L270 CegarLoopResult]: At program point L510(lines 509 526) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (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))) (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:25:07,823 INFO L274 CegarLoopResult]: For program point L532(lines 532 549) no Hoare annotation was computed. [2020-10-28 15:25:07,824 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 (not (<= ~pended~0 0)))) (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 (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:25:07,824 INFO L274 CegarLoopResult]: For program point L495(lines 495 499) no Hoare annotation was computed. [2020-10-28 15:25:07,824 INFO L270 CegarLoopResult]: At program point L524(lines 488 552) the Hoare annotation is: (let ((.cse2 (not (<= ~pended~0 0)))) (and (let ((.cse0 (= ~MPR1~0 ~s~0)) (.cse1 (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0))) (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) (and .cse0 (<= (+ IofCallDriver_~returnVal2~0 1073741823) 0) .cse1) (and .cse0 (= IofCallDriver_~returnVal2~0 0) .cse1) (and .cse0 (= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0) .cse1) .cse2 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0))) (or .cse2 (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))))) [2020-10-28 15:25:07,824 INFO L270 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (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 (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:25:07,824 INFO L274 CegarLoopResult]: For program point L491-1(line 491) no Hoare annotation was computed. [2020-10-28 15:25:07,824 INFO L274 CegarLoopResult]: For program point IofCallDriverFINAL(lines 481 553) no Hoare annotation was computed. [2020-10-28 15:25:07,824 INFO L270 CegarLoopResult]: At program point L512(lines 511 526) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (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))) (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1) (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0))))) [2020-10-28 15:25:07,825 INFO L274 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-10-28 15:25:07,826 INFO L274 CegarLoopResult]: For program point L504(lines 504 527) no Hoare annotation was computed. [2020-10-28 15:25:07,826 INFO L274 CegarLoopResult]: For program point IofCallDriverEXIT(lines 481 553) no Hoare annotation was computed. [2020-10-28 15:25:07,826 INFO L274 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-10-28 15:25:07,826 INFO L270 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-28 15:25:07,826 INFO L274 CegarLoopResult]: For program point L546-1(lines 528 550) no Hoare annotation was computed. [2020-10-28 15:25:07,826 INFO L274 CegarLoopResult]: For program point L509(lines 509 526) no Hoare annotation was computed. [2020-10-28 15:25:07,826 INFO L270 CegarLoopResult]: At program point L505(lines 504 527) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (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))) (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:25:07,827 INFO L270 CegarLoopResult]: At program point L497(line 497) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) (and (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|) (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-28 15:25:07,827 INFO L274 CegarLoopResult]: For program point L489(lines 489 501) no Hoare annotation was computed. [2020-10-28 15:25:07,827 INFO L274 CegarLoopResult]: For program point L489-1(lines 489 501) no Hoare annotation was computed. [2020-10-28 15:25:07,827 INFO L270 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) (not (= ~setEventCalled~0 1)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,828 INFO L274 CegarLoopResult]: For program point L475-1(lines 467 480) no Hoare annotation was computed. [2020-10-28 15:25:07,828 INFO L270 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 467 480) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= 1 ~compRegistered~0)) (not (= ~setEventCalled~0 1)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,828 INFO L274 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 467 480) no Hoare annotation was computed. [2020-10-28 15:25:07,828 INFO L270 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (not (<= ~pended~0 0))) [2020-10-28 15:25:07,828 INFO L274 CegarLoopResult]: For program point PoCallDriverEXIT(lines 745 821) no Hoare annotation was computed. [2020-10-28 15:25:07,828 INFO L274 CegarLoopResult]: For program point L754(lines 754 766) no Hoare annotation was computed. [2020-10-28 15:25:07,828 INFO L274 CegarLoopResult]: For program point L754-1(lines 754 766) no Hoare annotation was computed. [2020-10-28 15:25:07,829 INFO L270 CegarLoopResult]: At program point L775(lines 774 791) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,829 INFO L274 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2020-10-28 15:25:07,829 INFO L274 CegarLoopResult]: For program point PoCallDriverFINAL(lines 745 821) no Hoare annotation was computed. [2020-10-28 15:25:07,829 INFO L270 CegarLoopResult]: At program point PoCallDriverENTRY(lines 745 821) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,829 INFO L274 CegarLoopResult]: For program point L809(lines 809 816) no Hoare annotation was computed. [2020-10-28 15:25:07,829 INFO L274 CegarLoopResult]: For program point L797(lines 797 817) no Hoare annotation was computed. [2020-10-28 15:25:07,829 INFO L274 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-10-28 15:25:07,829 INFO L270 CegarLoopResult]: At program point L789(lines 753 820) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,829 INFO L270 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (not (<= ~pended~0 0))) [2020-10-28 15:25:07,829 INFO L274 CegarLoopResult]: For program point L756-1(line 756) no Hoare annotation was computed. [2020-10-28 15:25:07,830 INFO L270 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (not (<= ~pended~0 0))) [2020-10-28 15:25:07,830 INFO L274 CegarLoopResult]: For program point L814-1(lines 793 818) no Hoare annotation was computed. [2020-10-28 15:25:07,831 INFO L270 CegarLoopResult]: At program point L777(lines 776 791) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,831 INFO L274 CegarLoopResult]: For program point L769(lines 769 792) no Hoare annotation was computed. [2020-10-28 15:25:07,831 INFO L274 CegarLoopResult]: For program point L774(lines 774 791) no Hoare annotation was computed. [2020-10-28 15:25:07,831 INFO L270 CegarLoopResult]: At program point L770(lines 769 792) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,831 INFO L274 CegarLoopResult]: For program point L638(lines 638 656) no Hoare annotation was computed. [2020-10-28 15:25:07,831 INFO L274 CegarLoopResult]: For program point KbFilter_CreateCloseEXIT(lines 629 664) no Hoare annotation was computed. [2020-10-28 15:25:07,831 INFO L270 CegarLoopResult]: At program point L653(lines 641 655) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,832 INFO L270 CegarLoopResult]: At program point L645(lines 638 656) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,832 INFO L274 CegarLoopResult]: For program point L641(lines 641 655) no Hoare annotation was computed. [2020-10-28 15:25:07,832 INFO L270 CegarLoopResult]: At program point KbFilter_CreateCloseENTRY(lines 629 664) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,832 INFO L270 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,832 INFO L274 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-10-28 15:25:07,832 INFO L274 CegarLoopResult]: For program point KbFilter_CreateCloseFINAL(lines 629 664) no Hoare annotation was computed. [2020-10-28 15:25:07,832 INFO L274 CegarLoopResult]: For program point L644(lines 644 654) no Hoare annotation was computed. [2020-10-28 15:25:07,832 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 15:25:07,832 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)|)) [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point L956(lines 956 958) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point L956-2(lines 934 971) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point KbFilter_InternIoCtlEXIT(lines 822 1007) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point L940(lines 940 943) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point L903(lines 903 982) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point L924(lines 924 976) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point L891(lines 891 986) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point L883(lines 883 988) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L274 CegarLoopResult]: For program point L875(lines 875 990) no Hoare annotation was computed. [2020-10-28 15:25:07,833 INFO L270 CegarLoopResult]: At program point L1003(line 1003) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,834 INFO L274 CegarLoopResult]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2020-10-28 15:25:07,834 INFO L274 CegarLoopResult]: For program point L896(lines 896 984) no Hoare annotation was computed. [2020-10-28 15:25:07,834 INFO L270 CegarLoopResult]: At program point L892(lines 891 986) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,834 INFO L274 CegarLoopResult]: For program point L917(lines 917 978) no Hoare annotation was computed. [2020-10-28 15:25:07,834 INFO L270 CegarLoopResult]: At program point L884(lines 883 988) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,834 INFO L274 CegarLoopResult]: For program point L934(lines 934 973) no Hoare annotation was computed. [2020-10-28 15:25:07,834 INFO L274 CegarLoopResult]: For program point L959-1(lines 959 961) no Hoare annotation was computed. [2020-10-28 15:25:07,834 INFO L270 CegarLoopResult]: At program point KbFilter_InternIoCtlENTRY(lines 822 1007) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,834 INFO L274 CegarLoopResult]: For program point L910(lines 910 980) no Hoare annotation was computed. [2020-10-28 15:25:07,834 INFO L270 CegarLoopResult]: At program point L972(lines 867 1006) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,835 INFO L270 CegarLoopResult]: At program point L935(lines 875 990) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,835 INFO L270 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (or (not (<= ~pended~0 0)) (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))) [2020-10-28 15:25:07,835 INFO L274 CegarLoopResult]: For program point L997-1(line 997) no Hoare annotation was computed. [2020-10-28 15:25:07,835 INFO L274 CegarLoopResult]: For program point KbFilter_InternIoCtlFINAL(lines 822 1007) no Hoare annotation was computed. [2020-10-28 15:25:07,835 INFO L274 CegarLoopResult]: For program point L931(lines 931 974) no Hoare annotation was computed. [2020-10-28 15:25:07,835 INFO L274 CegarLoopResult]: For program point L603(lines 603 615) no Hoare annotation was computed. [2020-10-28 15:25:07,835 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 576 617) no Hoare annotation was computed. [2020-10-28 15:25:07,835 INFO L270 CegarLoopResult]: At program point L589(lines 581 600) the Hoare annotation is: (let ((.cse0 (not (<= (+ ~MPR3~0 1) ~IPC~0))) (.cse1 (not (<= 1 ~compRegistered~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) .cse4) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) .cse4))) [2020-10-28 15:25:07,835 INFO L274 CegarLoopResult]: For program point L581(lines 581 600) no Hoare annotation was computed. [2020-10-28 15:25:07,836 INFO L270 CegarLoopResult]: At program point L606(lines 605 615) the Hoare annotation is: (let ((.cse6 (<= ~pended~0 0))) (let ((.cse0 (not (<= (+ ~MPR3~0 1) ~IPC~0))) (.cse1 (not (<= 1 ~compRegistered~0))) (.cse2 (and (= ~s~0 ~NP~0) .cse6)) (.cse3 (not .cse6)) (.cse4 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse5 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 .cse4 (not (= ~MPR3~0 |old(~s~0)|)) .cse5)))) [2020-10-28 15:25:07,836 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 576 617) no Hoare annotation was computed. [2020-10-28 15:25:07,836 INFO L270 CegarLoopResult]: At program point L604(lines 603 615) the Hoare annotation is: (let ((.cse6 (<= ~pended~0 0))) (let ((.cse0 (not (<= (+ ~MPR3~0 1) ~IPC~0))) (.cse1 (not (<= 1 ~compRegistered~0))) (.cse2 (and (= ~s~0 ~NP~0) .cse6)) (.cse3 (not .cse6)) (.cse4 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse5 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 .cse4 (not (= ~MPR3~0 |old(~s~0)|)) .cse5)))) [2020-10-28 15:25:07,836 INFO L270 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (<= (+ ~MPR3~0 1) ~IPC~0))) (.cse1 (not (<= 1 ~compRegistered~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) .cse4))) [2020-10-28 15:25:07,836 INFO L274 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-10-28 15:25:07,836 INFO L274 CegarLoopResult]: For program point L594-1(lines 581 600) no Hoare annotation was computed. [2020-10-28 15:25:07,836 INFO L270 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 576 617) the Hoare annotation is: (let ((.cse0 (not (<= (+ ~MPR3~0 1) ~IPC~0))) (.cse1 (not (<= 1 ~compRegistered~0))) (.cse2 (not (<= ~pended~0 0))) (.cse4 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse5 (= |old(~customIrp~0)| ~customIrp~0)) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse6 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 (and .cse4 (= ~s~0 ~NP~0) .cse5) .cse6) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 (and (= ~MPR3~0 ~s~0) .cse4 .cse5) .cse3 (not (= ~MPR3~0 |old(~s~0)|)) .cse6))) [2020-10-28 15:25:07,836 INFO L274 CegarLoopResult]: For program point L582(lines 582 587) no Hoare annotation was computed. [2020-10-28 15:25:07,837 INFO L274 CegarLoopResult]: For program point L562-1(lines 554 567) no Hoare annotation was computed. [2020-10-28 15:25:07,838 INFO L274 CegarLoopResult]: For program point L558(lines 558 564) no Hoare annotation was computed. [2020-10-28 15:25:07,838 INFO L270 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 554 567) the Hoare annotation is: (or (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-28 15:25:07,838 INFO L274 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 554 567) no Hoare annotation was computed. [2020-10-28 15:25:07,838 INFO L270 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= |old(~s~0)| ~NP~0)) (not (<= ~pended~0 0))) [2020-10-28 15:25:07,838 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 15:25:07,838 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~IPC~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) [2020-10-28 15:25:07,838 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 15:25:07,838 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 15:25:07,839 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)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-28 15:25:07,839 INFO L270 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (not (<= ~pended~0 0)) (= ~SKIP1~0 ~s~0) (not (= ~NP~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) [2020-10-28 15:25:07,839 INFO L274 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-10-28 15:25:07,839 INFO L274 CegarLoopResult]: For program point KbFilter_DispatchPassThroughFINAL(lines 665 688) no Hoare annotation was computed. [2020-10-28 15:25:07,839 INFO L270 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (or (not (= ~compRegistered~0 0)) (not (= |old(~s~0)| ~NP~0)) (not (<= ~pended~0 0))) [2020-10-28 15:25:07,839 INFO L274 CegarLoopResult]: For program point L678-1(lines 674 680) no Hoare annotation was computed. [2020-10-28 15:25:07,839 INFO L274 CegarLoopResult]: For program point KbFilter_DispatchPassThroughEXIT(lines 665 688) no Hoare annotation was computed. [2020-10-28 15:25:07,839 INFO L274 CegarLoopResult]: For program point L674(lines 674 680) no Hoare annotation was computed. [2020-10-28 15:25:07,839 INFO L274 CegarLoopResult]: For program point L258-1(lines 254 260) no Hoare annotation was computed. [2020-10-28 15:25:07,839 INFO L274 CegarLoopResult]: For program point L159(lines 159 274) no Hoare annotation was computed. [2020-10-28 15:25:07,839 INFO L274 CegarLoopResult]: For program point L126(lines 126 285) no Hoare annotation was computed. [2020-10-28 15:25:07,840 INFO L270 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,840 INFO L270 CegarLoopResult]: At program point L201(lines 201 203) the Hoare annotation is: (let ((.cse2 (<= 1 ~compRegistered~0)) (.cse8 (<= (+ ~NP~0 5) ~MPR3~0))) (let ((.cse0 (not (<= (+ ~MPR3~0 1) ~IPC~0))) (.cse1 (not (<= ~pended~0 0))) (.cse3 (not (= |old(~compRegistered~0)| 0))) (.cse4 (not (= ~NP~0 |old(~s~0)|))) (.cse5 (not .cse8)) (.cse6 (and .cse8 (= ~s~0 ~NP~0) .cse2)) (.cse7 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 (and (= ~MPR3~0 ~s~0) (<= 259 KbFilter_PnP_~status~0) (= ~setEventCalled~0 1) .cse2 (<= 259 KbFilter_PnP_~__cil_tmp23~0) (<= KbFilter_PnP_~__cil_tmp23~0 259)) .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 (<= (+ ~myStatus~0 1073741637) 0) (not (<= (+ |old(~myStatus~0)| 1073741637) 0)))))) [2020-10-28 15:25:07,840 INFO L274 CegarLoopResult]: For program point L168(lines 168 271) no Hoare annotation was computed. [2020-10-28 15:25:07,840 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 203) no Hoare annotation was computed. [2020-10-28 15:25:07,840 INFO L274 CegarLoopResult]: For program point L135(lines 135 282) no Hoare annotation was computed. [2020-10-28 15:25:07,840 INFO L270 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,840 INFO L270 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,841 INFO L274 CegarLoopResult]: For program point L243-1(lines 239 245) no Hoare annotation was computed. [2020-10-28 15:25:07,841 INFO L274 CegarLoopResult]: For program point L177(lines 177 189) no Hoare annotation was computed. [2020-10-28 15:25:07,841 INFO L274 CegarLoopResult]: For program point L144(lines 144 279) no Hoare annotation was computed. [2020-10-28 15:25:07,841 INFO L274 CegarLoopResult]: For program point L111(lines 111 290) no Hoare annotation was computed. [2020-10-28 15:25:07,841 INFO L270 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,841 INFO L270 CegarLoopResult]: At program point L194(lines 194 195) the Hoare annotation is: (let ((.cse0 (not (<= (+ ~MPR3~0 1) ~IPC~0))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (= |old(~compRegistered~0)| 0))) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse5 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (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)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (+ ~myStatus~0 1073741637) 0) (not (<= (+ |old(~myStatus~0)| 1073741637) 0))))) [2020-10-28 15:25:07,841 INFO L274 CegarLoopResult]: For program point L227-1(lines 223 229) no Hoare annotation was computed. [2020-10-28 15:25:07,841 INFO L274 CegarLoopResult]: For program point L194-1(lines 194 195) no Hoare annotation was computed. [2020-10-28 15:25:07,841 INFO L274 CegarLoopResult]: For program point L153(lines 153 276) no Hoare annotation was computed. [2020-10-28 15:25:07,841 INFO L274 CegarLoopResult]: For program point L120(lines 120 287) no Hoare annotation was computed. [2020-10-28 15:25:07,842 INFO L274 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 81 294) no Hoare annotation was computed. [2020-10-28 15:25:07,842 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)|)) (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,842 INFO L277 CegarLoopResult]: At program point L269(lines 172 270) the Hoare annotation is: true [2020-10-28 15:25:07,842 INFO L274 CegarLoopResult]: For program point L162(lines 162 273) no Hoare annotation was computed. [2020-10-28 15:25:07,842 INFO L274 CegarLoopResult]: For program point L129(lines 129 284) no Hoare annotation was computed. [2020-10-28 15:25:07,842 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,842 INFO L270 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 81 294) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (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)|)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,842 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)|)) (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point L138(lines 138 281) no Hoare annotation was computed. [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 81 294) no Hoare annotation was computed. [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point L147(lines 147 278) no Hoare annotation was computed. [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point L114(lines 114 289) no Hoare annotation was computed. [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point L156(lines 156 275) no Hoare annotation was computed. [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point L123(lines 123 286) no Hoare annotation was computed. [2020-10-28 15:25:07,843 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)|)) (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-10-28 15:25:07,843 INFO L270 CegarLoopResult]: At program point L264(lines 264 265) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point L264-1(lines 264 265) no Hoare annotation was computed. [2020-10-28 15:25:07,843 INFO L274 CegarLoopResult]: For program point L165(lines 165 272) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L132(lines 132 283) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L182(lines 182 188) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L182-1(lines 177 189) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L207(lines 207 213) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L141(lines 141 280) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L108(lines 108 291) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L199(lines 199 205) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L199-2(lines 172 268) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L270 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-10-28 15:25:07,844 INFO L274 CegarLoopResult]: For program point L150(lines 150 277) no Hoare annotation was computed. [2020-10-28 15:25:07,845 INFO L274 CegarLoopResult]: For program point L117(lines 117 288) no Hoare annotation was computed. [2020-10-28 15:25:07,845 INFO L274 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-10-28 15:25:07,845 INFO L270 CegarLoopResult]: At program point L109(lines 108 291) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (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)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,845 INFO L270 CegarLoopResult]: At program point L233(lines 233 234) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,845 INFO L274 CegarLoopResult]: For program point L233-1(lines 233 234) no Hoare annotation was computed. [2020-10-28 15:25:07,845 INFO L270 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (or (not (<= (+ ~MPR3~0 1) ~IPC~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:25:07,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 03:25:07 BoogieIcfgContainer [2020-10-28 15:25:07,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 15:25:07,936 INFO L168 Benchmark]: Toolchain (without parser) took 50638.44 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 134.6 MB in the beginning and 505.8 MB in the end (delta: -371.2 MB). Peak memory consumption was 406.6 MB. Max. memory is 8.0 GB. [2020-10-28 15:25:07,936 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 155.2 MB. Free memory was 126.0 MB in the beginning and 125.9 MB in the end (delta: 74.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 15:25:07,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.10 ms. Allocated memory is still 155.2 MB. Free memory was 133.9 MB in the beginning and 134.7 MB in the end (delta: -761.0 kB). Peak memory consumption was 18.3 MB. Max. memory is 8.0 GB. [2020-10-28 15:25:07,937 INFO L168 Benchmark]: Boogie Preprocessor took 80.33 ms. Allocated memory is still 155.2 MB. Free memory was 134.7 MB in the beginning and 131.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 15:25:07,937 INFO L168 Benchmark]: RCFGBuilder took 1308.66 ms. Allocated memory is still 155.2 MB. Free memory was 131.5 MB in the beginning and 118.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 56.5 MB. Max. memory is 8.0 GB. [2020-10-28 15:25:07,938 INFO L168 Benchmark]: TraceAbstraction took 48641.54 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 118.0 MB in the beginning and 505.8 MB in the end (delta: -387.8 MB). Peak memory consumption was 390.5 MB. Max. memory is 8.0 GB. [2020-10-28 15:25:07,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 155.2 MB. Free memory was 126.0 MB in the beginning and 125.9 MB in the end (delta: 74.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 593.10 ms. Allocated memory is still 155.2 MB. Free memory was 133.9 MB in the beginning and 134.7 MB in the end (delta: -761.0 kB). Peak memory consumption was 18.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 80.33 ms. Allocated memory is still 155.2 MB. Free memory was 134.7 MB in the beginning and 131.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1308.66 ms. Allocated memory is still 155.2 MB. Free memory was 131.5 MB in the beginning and 118.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 56.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 48641.54 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 118.0 MB in the beginning and 505.8 MB in the end (delta: -387.8 MB). Peak memory consumption was 390.5 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: ((((((((compRegistered == 0 && s == NP) && pended <= 0) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || (MPR1 == s && __cil_tmp7 + 1073741802 == 0)) || MPR1 == NP) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || (s == NP && pended <= 0)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) && (((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || !(\old(setEventCalled) == 1)) || (s == NP && pended <= 0)) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || MPR1 == NP) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((((((((compRegistered == 0 && s == NP) && pended <= 0) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((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 <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((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 <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((((((((compRegistered == 0 && s == NP) && pended <= 0) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || (s == NP && pended <= 0)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) && (((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || !(\old(setEventCalled) == 1)) || (s == NP && pended <= 0)) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || MPR1 == NP) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) || !(pended <= 0)) || !(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)) || !(MPR3 + 1 <= IPC)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) || !(pended <= 0)) || !(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)) || !(MPR3 + 1 <= IPC)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || (((((NP + 5 <= MPR3 && compRegistered == 0) && s == NP) && !(MPR1 == NP)) && MPR3 + 1 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((!(MPR3 + 1 <= IPC) || !(pended <= 0)) || ((((((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))) || !(NP + 5 <= MPR3)) || MPR1 == NP - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || ((MPR1 == s && returnVal2 + 1073741823 <= 0) && __cil_tmp7 + 1073741802 == 0)) || ((MPR1 == s && returnVal2 == 0) && __cil_tmp7 + 1073741802 == 0)) || (((MPR1 == s && setEventCalled == 1) && 259 == returnVal2) && __cil_tmp7 + 1073741802 == 0)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(compRegistered == 0) - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: ((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || !(\old(setEventCalled) == 1)) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || MPR1 == NP) && ((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((setEventCalled == \old(setEventCalled) && s == NP) && \old(customIrp) == customIrp)) || MPR1 == NP) - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || (MPR1 == s && __cil_tmp7 + 1073741802 == 0)) || MPR1 == NP) - 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)) || !(MPR3 + 1 <= IPC)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: ((((((((compRegistered == 0 && s == NP) && pended <= 0) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((!(MPR3 + 1 <= IPC) || !(1 <= compRegistered)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) || ((MPR1 == s && setEventCalled == 1) && __cil_tmp7 + 1073741802 == 0)) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || (((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(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: ((!(pended <= 0) || ((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: 37.6s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1989 SDtfs, 2996 SDslu, 2316 SDs, 0 SdLazy, 3626 SolverSat, 849 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 6.7s 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, 147 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 85 LocationsWithAnnotation, 404 PreInvPairs, 506 NumberOfFragments, 3157 HoareAnnotationTreeSize, 404 FomulaSimplifications, 7778 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 85 FomulaSimplificationsInter, 8542 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 24.6s InterpolantComputationTime, 979 NumberOfCodeBlocks, 979 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 251136 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...