/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:41:23,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:41:23,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:41:23,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:41:23,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:41:23,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:41:23,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:41:23,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:41:23,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:41:23,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:41:23,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:41:23,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:41:23,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:41:23,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:41:23,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:41:23,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:41:23,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:41:23,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:41:23,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:41:23,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:41:23,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:41:23,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:41:23,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:41:23,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:41:23,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:41:23,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:41:23,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:41:23,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:41:23,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:41:23,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:41:23,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:41:23,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:41:23,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:41:23,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:41:23,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:41:23,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:41:23,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:41:23,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:41:23,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:41:23,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:41:23,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:41:23,792 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 [2020-09-24 15:41:23,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:41:23,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:41:23,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:41:23,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:41:23,828 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:41:23,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:41:23,828 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:41:23,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:41:23,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:41:23,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:41:23,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:41:23,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:41:23,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:41:23,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:41:23,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:41:23,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:41:23,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:41:23,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:41:23,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:41:23,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:41:23,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:41:23,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:41:23,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:41:23,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:41:23,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:41:23,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:41:23,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:41:23,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:41:23,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:41:23,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:41:24,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:41:24,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:41:24,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:41:24,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:41:24,312 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:41:24,313 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-09-24 15:41:24,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04037359e/7105757822c14bae8de2a89dfa994020/FLAG8a7fcf3f2 [2020-09-24 15:41:25,044 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:41:25,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-09-24 15:41:25,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04037359e/7105757822c14bae8de2a89dfa994020/FLAG8a7fcf3f2 [2020-09-24 15:41:25,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04037359e/7105757822c14bae8de2a89dfa994020 [2020-09-24 15:41:25,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:41:25,282 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:41:25,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:41:25,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:41:25,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:41:25,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:25,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25, skipping insertion in model container [2020-09-24 15:41:25,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:25,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:41:25,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:41:25,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:41:25,718 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:41:25,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:41:25,943 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:41:25,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25 WrapperNode [2020-09-24 15:41:25,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:41:25,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:41:25,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:41:25,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:41:25,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:25,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:25,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:25,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:26,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:26,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:26,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (1/1) ... [2020-09-24 15:41:26,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:41:26,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:41:26,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:41:26,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:41:26,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (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 [2020-09-24 15:41:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:41:26,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:41:26,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:41:26,180 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:41:26,180 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:41:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:41:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:41:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:41:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:41:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:41:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:41:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:41:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:41:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:41:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:41:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:41:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:41:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:41:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:41:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:41:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:41:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:41:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:41:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:41:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:41:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:41:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:41:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:41:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:41:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:41:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:41:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:41:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:41:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:41:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:41:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:41:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:41:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:41:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:41:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:41:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:41:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:41:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:41:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:41:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:41:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:41:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:41:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:41:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:41:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:41:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:41:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:41:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:41:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:41:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:41:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:41:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:41:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:41:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:41:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:41:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:41:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:41:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:41:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:41:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:41:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:41:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:41:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:41:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:41:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:41:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:41:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:41:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:41:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:41:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:41:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:41:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:41:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:41:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:41:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:41:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:41:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:41:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:41:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:41:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:41:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:41:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:41:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:41:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:41:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:41:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:41:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:41:27,286 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:41:27,287 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:41:27,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:41:27 BoogieIcfgContainer [2020-09-24 15:41:27,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:41:27,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:41:27,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:41:27,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:41:27,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:41:25" (1/3) ... [2020-09-24 15:41:27,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dea1b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:41:27, skipping insertion in model container [2020-09-24 15:41:27,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:25" (2/3) ... [2020-09-24 15:41:27,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dea1b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:41:27, skipping insertion in model container [2020-09-24 15:41:27,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:41:27" (3/3) ... [2020-09-24 15:41:27,303 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43.cil.c [2020-09-24 15:41:27,316 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:41:27,327 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:41:27,350 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:41:27,384 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:41:27,385 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:41:27,385 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:41:27,385 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:41:27,385 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:41:27,386 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:41:27,386 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:41:27,386 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:41:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-24 15:41:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:41:27,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:27,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:27,464 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:27,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:27,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1378033390, now seen corresponding path program 1 times [2020-09-24 15:41:27,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:27,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090194986] [2020-09-24 15:41:27,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:27,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:27,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:27,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:27,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:27,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:41:27,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:27,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:41:27,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:41:27,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:27,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:41:28,394 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:28,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:28,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:28,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:28,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:28,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:28,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:28,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:28,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:28,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:28,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:41:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:28,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:28,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:28,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:28,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:28,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:28,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:28,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:28,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:28,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090194986] [2020-09-24 15:41:28,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:28,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:41:28,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656351709] [2020-09-24 15:41:28,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:41:28,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:28,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:41:28,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:41:28,647 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 3 states. [2020-09-24 15:41:29,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:29,973 INFO L93 Difference]: Finished difference Result 475 states and 564 transitions. [2020-09-24 15:41:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:41:29,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:41:29,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:29,995 INFO L225 Difference]: With dead ends: 475 [2020-09-24 15:41:29,995 INFO L226 Difference]: Without dead ends: 296 [2020-09-24 15:41:30,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:41:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-24 15:41:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 253. [2020-09-24 15:41:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-24 15:41:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-09-24 15:41:30,106 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 142 [2020-09-24 15:41:30,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:30,108 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-09-24 15:41:30,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:41:30,108 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-09-24 15:41:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:41:30,112 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:30,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:30,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:41:30,113 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:30,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:30,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1594368587, now seen corresponding path program 1 times [2020-09-24 15:41:30,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:30,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636978214] [2020-09-24 15:41:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:41:30,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:41:30,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:41:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:41:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,611 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:30,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:30,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:30,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:30,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:30,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:30,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:30,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:41:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:30,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:30,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:30,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:30,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:30,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:30,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:30,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:30,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:30,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:30,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:30,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:30,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:30,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:30,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:30,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636978214] [2020-09-24 15:41:30,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:30,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:41:30,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542283209] [2020-09-24 15:41:30,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:41:30,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:30,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:41:30,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:41:30,719 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 4 states. [2020-09-24 15:41:31,415 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:32,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:32,363 INFO L93 Difference]: Finished difference Result 383 states and 429 transitions. [2020-09-24 15:41:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:41:32,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:41:32,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:32,371 INFO L225 Difference]: With dead ends: 383 [2020-09-24 15:41:32,372 INFO L226 Difference]: Without dead ends: 279 [2020-09-24 15:41:32,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:32,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-09-24 15:41:32,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 243. [2020-09-24 15:41:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 15:41:32,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-24 15:41:32,412 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 143 [2020-09-24 15:41:32,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:32,413 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-24 15:41:32,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:41:32,413 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-24 15:41:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:41:32,415 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:32,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:32,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:41:32,416 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:32,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:32,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1389720772, now seen corresponding path program 1 times [2020-09-24 15:41:32,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:32,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596067220] [2020-09-24 15:41:32,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:32,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:41:32,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:32,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:32,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:32,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:41:32,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:32,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:41:32,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:41:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:41:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:41:32,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:32,865 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:32,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:32,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:32,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:32,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:32,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:32,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:32,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:32,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:41:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:33,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:33,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:33,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:33,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:33,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:33,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:33,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:33,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:33,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:33,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:41:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:33,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:33,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:41:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:33,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:33,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:33,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:33,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:33,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:33,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:33,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:33,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:33,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:33,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:33,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:33,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:33,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596067220] [2020-09-24 15:41:33,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:33,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:41:33,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115242558] [2020-09-24 15:41:33,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:41:33,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:33,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:41:33,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:41:33,065 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 4 states. [2020-09-24 15:41:33,533 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:35,081 INFO L93 Difference]: Finished difference Result 557 states and 632 transitions. [2020-09-24 15:41:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:41:35,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:41:35,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:35,086 INFO L225 Difference]: With dead ends: 557 [2020-09-24 15:41:35,086 INFO L226 Difference]: Without dead ends: 424 [2020-09-24 15:41:35,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:35,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-09-24 15:41:35,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 364. [2020-09-24 15:41:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-09-24 15:41:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 399 transitions. [2020-09-24 15:41:35,166 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 399 transitions. Word has length 152 [2020-09-24 15:41:35,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:35,167 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 399 transitions. [2020-09-24 15:41:35,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:41:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 399 transitions. [2020-09-24 15:41:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:41:35,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:35,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:35,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:41:35,171 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:35,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:35,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2146784857, now seen corresponding path program 1 times [2020-09-24 15:41:35,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:35,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [464564175] [2020-09-24 15:41:35,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-24 15:41:35,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:41:35,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:41:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:41:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:41:35,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,566 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:35,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:35,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:35,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:41:35,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:35,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:35,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:35,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:35,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:35,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:35,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:35,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:35,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:35,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:35,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:41:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:41:35,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:35,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:35,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:41:35,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:41:35,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:35,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:35,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:35,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:35,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:35,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:41:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:35,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:35,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:35,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:41:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:35,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:35,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:35,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:35,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:35,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:35,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:35,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:35,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:35,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [464564175] [2020-09-24 15:41:35,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:35,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:41:35,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692075597] [2020-09-24 15:41:35,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:41:35,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:35,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:41:35,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:41:35,797 INFO L87 Difference]: Start difference. First operand 364 states and 399 transitions. Second operand 7 states. [2020-09-24 15:41:36,327 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:37,971 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:38,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:38,549 INFO L93 Difference]: Finished difference Result 910 states and 1057 transitions. [2020-09-24 15:41:38,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:41:38,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-09-24 15:41:38,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:38,557 INFO L225 Difference]: With dead ends: 910 [2020-09-24 15:41:38,557 INFO L226 Difference]: Without dead ends: 656 [2020-09-24 15:41:38,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:41:38,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-09-24 15:41:38,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 563. [2020-09-24 15:41:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-24 15:41:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 620 transitions. [2020-09-24 15:41:38,652 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 620 transitions. Word has length 160 [2020-09-24 15:41:38,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:38,654 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 620 transitions. [2020-09-24 15:41:38,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:41:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 620 transitions. [2020-09-24 15:41:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:41:38,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:38,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:38,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:41:38,657 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:38,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:38,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2147122244, now seen corresponding path program 1 times [2020-09-24 15:41:38,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:38,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082707615] [2020-09-24 15:41:38,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:38,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:38,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:38,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:38,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:38,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:41:38,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:41:38,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:41:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:41:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:41:38,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,110 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:39,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:39,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:39,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:41:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:39,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:39,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:39,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:39,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:39,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:39,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:39,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:39,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:39,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:39,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:39,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:39,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:39,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:41:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:39,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:39,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:39,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:41:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:39,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:39,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:39,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:41:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:39,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:39,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:39,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:39,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:39,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082707615] [2020-09-24 15:41:39,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:39,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:41:39,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3034502] [2020-09-24 15:41:39,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:41:39,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:39,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:41:39,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:41:39,342 INFO L87 Difference]: Start difference. First operand 563 states and 620 transitions. Second operand 9 states. [2020-09-24 15:41:39,901 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:40,977 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:41,311 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:41:41,660 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:41,975 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:42,297 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:41:42,586 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:42,892 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:43,370 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:44,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:44,819 INFO L93 Difference]: Finished difference Result 1520 states and 1761 transitions. [2020-09-24 15:41:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:41:44,819 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:41:44,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:44,831 INFO L225 Difference]: With dead ends: 1520 [2020-09-24 15:41:44,832 INFO L226 Difference]: Without dead ends: 1067 [2020-09-24 15:41:44,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:41:44,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2020-09-24 15:41:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 945. [2020-09-24 15:41:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2020-09-24 15:41:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1048 transitions. [2020-09-24 15:41:45,028 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1048 transitions. Word has length 161 [2020-09-24 15:41:45,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:45,028 INFO L479 AbstractCegarLoop]: Abstraction has 945 states and 1048 transitions. [2020-09-24 15:41:45,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:41:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1048 transitions. [2020-09-24 15:41:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:41:45,031 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:45,031 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:45,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:41:45,032 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:45,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:45,032 INFO L82 PathProgramCache]: Analyzing trace with hash 122714309, now seen corresponding path program 1 times [2020-09-24 15:41:45,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:45,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134227511] [2020-09-24 15:41:45,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:41:45,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:41:45,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:41:45,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:41:45,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:41:45,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,482 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:45,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:45,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:45,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:41:45,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:45,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:45,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:45,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:45,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:45,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:45,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:45,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:45,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:45,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:45,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:45,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:45,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:45,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:41:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:45,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:45,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:41:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:41:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:45,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:45,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:45,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:41:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:45,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:45,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:45,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:45,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134227511] [2020-09-24 15:41:45,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:45,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:41:45,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274662673] [2020-09-24 15:41:45,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:41:45,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:45,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:41:45,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:41:45,711 INFO L87 Difference]: Start difference. First operand 945 states and 1048 transitions. Second operand 10 states. [2020-09-24 15:41:46,243 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:47,552 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:47,883 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:48,218 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:48,511 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:48,792 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:49,487 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:49,781 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:50,130 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:50,935 INFO L93 Difference]: Finished difference Result 1178 states and 1376 transitions. [2020-09-24 15:41:50,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:41:50,935 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2020-09-24 15:41:50,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:50,942 INFO L225 Difference]: With dead ends: 1178 [2020-09-24 15:41:50,942 INFO L226 Difference]: Without dead ends: 1175 [2020-09-24 15:41:50,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:41:50,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2020-09-24 15:41:51,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 945. [2020-09-24 15:41:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2020-09-24 15:41:51,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1046 transitions. [2020-09-24 15:41:51,075 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1046 transitions. Word has length 166 [2020-09-24 15:41:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:51,076 INFO L479 AbstractCegarLoop]: Abstraction has 945 states and 1046 transitions. [2020-09-24 15:41:51,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:41:51,076 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1046 transitions. [2020-09-24 15:41:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:41:51,081 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:51,081 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:51,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:41:51,082 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:51,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:51,082 INFO L82 PathProgramCache]: Analyzing trace with hash 17634563, now seen corresponding path program 1 times [2020-09-24 15:41:51,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:51,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714370114] [2020-09-24 15:41:51,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:41:51,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:41:51,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-09-24 15:41:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,583 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:51,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:51,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:51,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:51,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:51,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:51,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:51,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:41:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:41:51,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:51,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:41:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:51,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:51,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:51,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:41:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:51,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:41:51,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:51,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:41:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:41:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:41:51,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:41:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:51,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:51,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:41:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:51,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:41:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:51,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:41:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:51,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:41:51,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714370114] [2020-09-24 15:41:51,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:51,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:41:51,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113556827] [2020-09-24 15:41:51,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:41:51,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:51,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:41:51,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:41:51,958 INFO L87 Difference]: Start difference. First operand 945 states and 1046 transitions. Second operand 10 states. [2020-09-24 15:41:53,363 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:53,671 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:41:53,991 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:41:54,324 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:54,652 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:54,951 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:56,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:56,044 INFO L93 Difference]: Finished difference Result 2101 states and 2475 transitions. [2020-09-24 15:41:56,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:41:56,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-24 15:41:56,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:56,052 INFO L225 Difference]: With dead ends: 2101 [2020-09-24 15:41:56,053 INFO L226 Difference]: Without dead ends: 1266 [2020-09-24 15:41:56,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:41:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2020-09-24 15:41:56,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 977. [2020-09-24 15:41:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-09-24 15:41:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1078 transitions. [2020-09-24 15:41:56,185 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1078 transitions. Word has length 212 [2020-09-24 15:41:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:56,185 INFO L479 AbstractCegarLoop]: Abstraction has 977 states and 1078 transitions. [2020-09-24 15:41:56,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:41:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1078 transitions. [2020-09-24 15:41:56,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:41:56,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:56,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:56,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:41:56,190 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:56,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:56,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1737035613, now seen corresponding path program 1 times [2020-09-24 15:41:56,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:56,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381580152] [2020-09-24 15:41:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:41:56,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -67 [2020-09-24 15:41:56,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 67 [2020-09-24 15:41:56,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:41:56,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:56,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-09-24 15:41:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:56,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,546 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:56,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:56,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:56,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:56,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:56,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:56,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:56,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:56,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:56,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:56,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:56,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:56,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:56,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:41:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:41:56,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:56,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:41:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:56,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:56,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:56,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:41:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:56,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:56,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:56,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:41:56,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:56,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:41:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:41:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:41:56,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:56,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:41:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:56,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:56,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:41:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:56,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:56,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:56,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:41:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:56,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:56,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:41:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:56,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:56,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:56,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:56,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:56,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:56,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:56,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:56,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:41:56,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381580152] [2020-09-24 15:41:56,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:56,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:41:56,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636815368] [2020-09-24 15:41:56,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:41:56,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:56,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:41:56,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:41:56,781 INFO L87 Difference]: Start difference. First operand 977 states and 1078 transitions. Second operand 9 states. [2020-09-24 15:41:57,874 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:58,176 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:58,485 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:58,799 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:59,095 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:00,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:00,246 INFO L93 Difference]: Finished difference Result 2169 states and 2547 transitions. [2020-09-24 15:42:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:42:00,246 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 212 [2020-09-24 15:42:00,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:00,254 INFO L225 Difference]: With dead ends: 2169 [2020-09-24 15:42:00,254 INFO L226 Difference]: Without dead ends: 1302 [2020-09-24 15:42:00,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:42:00,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2020-09-24 15:42:00,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1001. [2020-09-24 15:42:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-09-24 15:42:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1102 transitions. [2020-09-24 15:42:00,383 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1102 transitions. Word has length 212 [2020-09-24 15:42:00,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:00,384 INFO L479 AbstractCegarLoop]: Abstraction has 1001 states and 1102 transitions. [2020-09-24 15:42:00,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:42:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1102 transitions. [2020-09-24 15:42:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:42:00,389 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:00,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:00,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:42:00,390 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:00,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:00,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1064314170, now seen corresponding path program 1 times [2020-09-24 15:42:00,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:00,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527861847] [2020-09-24 15:42:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:42:00,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:42:00,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:42:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:42:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:42:00,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:00,807 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:00,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:00,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:42:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:00,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:00,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:00,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:00,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:00,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:00,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:00,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:00,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:00,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:00,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:42:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:42:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:00,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:00,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:00,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:00,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:00,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:01,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:01,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:01,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:42:01,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:01,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:01,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:01,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:01,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:01,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:01,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:01,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:42:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:01,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:01,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:01,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:42:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:01,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:01,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:01,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:01,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:01,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:01,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:01,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:01,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:01,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:01,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527861847] [2020-09-24 15:42:01,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:01,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:42:01,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111146692] [2020-09-24 15:42:01,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:42:01,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:01,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:42:01,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:42:01,116 INFO L87 Difference]: Start difference. First operand 1001 states and 1102 transitions. Second operand 7 states. [2020-09-24 15:42:01,679 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:02,261 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:04,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:04,713 INFO L93 Difference]: Finished difference Result 3078 states and 3694 transitions. [2020-09-24 15:42:04,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:42:04,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-09-24 15:42:04,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:04,725 INFO L225 Difference]: With dead ends: 3078 [2020-09-24 15:42:04,726 INFO L226 Difference]: Without dead ends: 2187 [2020-09-24 15:42:04,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:42:04,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2020-09-24 15:42:05,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 1835. [2020-09-24 15:42:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-09-24 15:42:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2078 transitions. [2020-09-24 15:42:05,014 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2078 transitions. Word has length 212 [2020-09-24 15:42:05,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:05,015 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2078 transitions. [2020-09-24 15:42:05,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:42:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2078 transitions. [2020-09-24 15:42:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:42:05,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:05,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:05,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:42:05,027 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:05,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:05,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1071999651, now seen corresponding path program 1 times [2020-09-24 15:42:05,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:05,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357371318] [2020-09-24 15:42:05,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:05,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -46 [2020-09-24 15:42:05,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 46 [2020-09-24 15:42:05,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:42:05,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:42:05,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:05,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-24 15:42:05,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 15:42:05,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:05,400 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:05,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:05,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:05,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:05,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:05,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:05,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:05,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:05,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:05,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:05,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:05,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:42:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:05,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:42:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:05,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:05,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:42:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:05,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:42:05,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:05,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-24 15:42:05,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:42:05,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:05,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:05,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:05,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:42:05,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:42:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:05,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:42:05,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:42:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:42:05,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:05,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:05,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:05,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:05,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:42:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:05,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:05,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:05,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:42:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:05,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:05,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:42:05,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357371318] [2020-09-24 15:42:05,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:42:05,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:42:05,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319580532] [2020-09-24 15:42:05,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:42:05,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:05,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:42:05,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:42:05,814 INFO L87 Difference]: Start difference. First operand 1835 states and 2078 transitions. Second operand 16 states. [2020-09-24 15:42:06,394 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:07,406 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:08,150 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:08,503 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:08,933 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:09,266 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:10,581 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:10,938 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:11,268 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:11,589 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:11,925 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:12,267 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:12,586 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:12,914 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:13,542 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-24 15:42:14,184 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 15:42:14,757 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-24 15:42:16,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:16,154 INFO L93 Difference]: Finished difference Result 3819 states and 4456 transitions. [2020-09-24 15:42:16,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:42:16,155 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 217 [2020-09-24 15:42:16,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:16,166 INFO L225 Difference]: With dead ends: 3819 [2020-09-24 15:42:16,166 INFO L226 Difference]: Without dead ends: 2094 [2020-09-24 15:42:16,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=453, Invalid=1617, Unknown=0, NotChecked=0, Total=2070 [2020-09-24 15:42:16,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2020-09-24 15:42:16,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1749. [2020-09-24 15:42:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1749 states. [2020-09-24 15:42:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 1954 transitions. [2020-09-24 15:42:16,433 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 1954 transitions. Word has length 217 [2020-09-24 15:42:16,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:16,434 INFO L479 AbstractCegarLoop]: Abstraction has 1749 states and 1954 transitions. [2020-09-24 15:42:16,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:42:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 1954 transitions. [2020-09-24 15:42:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-09-24 15:42:16,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:16,442 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:16,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:42:16,442 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:16,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:16,443 INFO L82 PathProgramCache]: Analyzing trace with hash -768855845, now seen corresponding path program 1 times [2020-09-24 15:42:16,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:16,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844581457] [2020-09-24 15:42:16,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 15:42:16,538 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 15:42:16,539 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 15:42:16,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:42:16,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:42:16 BoogieIcfgContainer [2020-09-24 15:42:16,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:42:16,590 INFO L168 Benchmark]: Toolchain (without parser) took 51313.51 ms. Allocated memory was 105.4 MB in the beginning and 844.1 MB in the end (delta: 738.7 MB). Free memory was 69.7 MB in the beginning and 714.9 MB in the end (delta: -645.2 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:16,591 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 105.4 MB. Free memory was 88.1 MB in the beginning and 88.0 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2020-09-24 15:42:16,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.20 ms. Allocated memory was 105.4 MB in the beginning and 159.4 MB in the end (delta: 54.0 MB). Free memory was 69.1 MB in the beginning and 136.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:16,592 INFO L168 Benchmark]: Boogie Preprocessor took 120.81 ms. Allocated memory is still 159.4 MB. Free memory was 136.0 MB in the beginning and 130.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:16,593 INFO L168 Benchmark]: RCFGBuilder took 1228.69 ms. Allocated memory was 159.4 MB in the beginning and 184.0 MB in the end (delta: 24.6 MB). Free memory was 130.4 MB in the beginning and 104.3 MB in the end (delta: 26.1 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:16,594 INFO L168 Benchmark]: TraceAbstraction took 49293.33 ms. Allocated memory was 184.0 MB in the beginning and 844.1 MB in the end (delta: 660.1 MB). Free memory was 103.4 MB in the beginning and 714.9 MB in the end (delta: -611.5 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:16,596 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 105.4 MB. Free memory was 88.1 MB in the beginning and 88.0 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.20 ms. Allocated memory was 105.4 MB in the beginning and 159.4 MB in the end (delta: 54.0 MB). Free memory was 69.1 MB in the beginning and 136.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.81 ms. Allocated memory is still 159.4 MB. Free memory was 136.0 MB in the beginning and 130.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1228.69 ms. Allocated memory was 159.4 MB in the beginning and 184.0 MB in the end (delta: 24.6 MB). Free memory was 130.4 MB in the beginning and 104.3 MB in the end (delta: 26.1 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49293.33 ms. Allocated memory was 184.0 MB in the beginning and 844.1 MB in the end (delta: 660.1 MB). Free memory was 103.4 MB in the beginning and 714.9 MB in the end (delta: -611.5 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 405]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L147] int pumpRunning = 0; [L148] int systemActive = 1; [L436] int cleanupTimeShifts = 4; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int retValue_acc ; [L513] int tmp ; [L517] FCALL select_helpers() [L518] FCALL select_features() [L519] CALL, EXPR valid_product() [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); [L519] RET, EXPR valid_product() [L519] tmp = valid_product() [L521] COND TRUE \read(tmp) [L523] FCALL setup() [L524] CALL runTest() [L503] CALL test() [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 [L344] COND TRUE 1 [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) [L356] CALL waterRise() [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L356] RET waterRise() [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp___0)) [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) [L389] CALL timeShift() [L155] COND FALSE !(\read(pumpRunning)) [L162] COND TRUE \read(systemActive) [L164] CALL processEnvironment() [L184] int tmp ; [L187] COND TRUE ! pumpRunning [L189] CALL, EXPR isHighWaterLevel() [L299] int retValue_acc ; [L300] int tmp ; [L301] int tmp___0 ; [L305] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L305] RET, EXPR isHighWaterSensorDry() [L305] tmp = isHighWaterSensorDry() [L307] COND FALSE !(\read(tmp)) [L310] tmp___0 = 1 [L312] retValue_acc = tmp___0 [L313] return (retValue_acc); [L189] RET, EXPR isHighWaterLevel() [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) [L193] CALL activatePump() [L218] int tmp ; [L222] CALL, EXPR isMethaneAlarm() [L243] int retValue_acc ; [L247] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L247] RET, EXPR isMethaneLevelCritical() [L247] retValue_acc = isMethaneLevelCritical() [L249] return (retValue_acc); [L222] RET, EXPR isMethaneAlarm() [L222] tmp = isMethaneAlarm() [L224] COND FALSE !(\read(tmp)) [L228] CALL activatePump__wrappee__highWaterSensor() [L212] pumpRunning = 1 [L228] RET activatePump__wrappee__highWaterSensor() [L193] RET activatePump() [L164] RET processEnvironment() [L170] CALL __utac_acc__Specification1_spec__1() [L411] int tmp ; [L412] int tmp___0 ; [L416] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L416] RET, EXPR isMethaneLevelCritical() [L416] tmp = isMethaneLevelCritical() [L418] COND FALSE !(\read(tmp)) [L170] RET __utac_acc__Specification1_spec__1() [L389] RET timeShift() [L344] COND TRUE 1 [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND FALSE !(\read(tmp)) [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) [L366] CALL changeMethaneLevel() [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L366] RET changeMethaneLevel() [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) [L389] CALL timeShift() [L155] COND TRUE \read(pumpRunning) [L157] CALL lowerWaterLevel() [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 [L157] RET lowerWaterLevel() [L162] COND TRUE \read(systemActive) [L164] CALL processEnvironment() [L184] int tmp ; [L187] COND FALSE !(! pumpRunning) [L202] FCALL processEnvironment__wrappee__base() [L164] RET processEnvironment() [L170] CALL __utac_acc__Specification1_spec__1() [L411] int tmp ; [L412] int tmp___0 ; [L416] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L416] RET, EXPR isMethaneLevelCritical() [L416] tmp = isMethaneLevelCritical() [L418] COND TRUE \read(tmp) [L420] CALL, EXPR isPumpRunning() [L254] int retValue_acc ; [L257] retValue_acc = pumpRunning [L258] return (retValue_acc); [L420] RET, EXPR isPumpRunning() [L420] tmp___0 = isPumpRunning() [L422] COND TRUE \read(tmp___0) [L424] CALL __automaton_fail() [L405] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 621 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 49.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 40.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2484 SDtfs, 5197 SDslu, 4052 SDs, 0 SdLazy, 9208 SolverSat, 1634 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 259 SyntacticMatches, 4 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 18.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1835occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1871 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2041 NumberOfCodeBlocks, 2041 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1767 ConstructedInterpolants, 0 QuantifiedInterpolants, 814946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 17/20 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 incorrect! Received shutdown request...