/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --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_spec5_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:58:36,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:58:36,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:58:36,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:58:36,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:58:36,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:58:36,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:58:36,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:58:36,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:58:36,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:58:36,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:58:36,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:58:36,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:58:36,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:58:36,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:58:36,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:58:36,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:58:36,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:58:36,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:58:36,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:58:36,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:58:36,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:58:36,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:58:36,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:58:36,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:58:36,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:58:36,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:58:36,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:58:36,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:58:36,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:58:36,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:58:36,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:58:36,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:58:36,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:58:36,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:58:36,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:58:36,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:58:36,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:58:36,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:58:36,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:58:36,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:58:36,761 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 [2020-09-25 01:58:36,811 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:58:36,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:58:36,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:58:36,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:58:36,813 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:58:36,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:58:36,814 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:58:36,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:58:36,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:58:36,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:58:36,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:58:36,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:58:36,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:58:36,817 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:58:36,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:58:36,817 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:58:36,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:58:36,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:58:36,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:58:36,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:58:36,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:58:36,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:58:36,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:58:36,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:58:36,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:58:36,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:58:36,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:58:36,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:58:36,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:58:36,820 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;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;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;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;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;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;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;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;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;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-09-25 01:58:37,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:58:37,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:58:37,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:58:37,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:58:37,326 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:58:37,327 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-09-25 01:58:37,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64692bba/54bed43433a04398958aa488d14acd0f/FLAGcde963e85 [2020-09-25 01:58:38,121 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:58:38,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-09-25 01:58:38,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64692bba/54bed43433a04398958aa488d14acd0f/FLAGcde963e85 [2020-09-25 01:58:38,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64692bba/54bed43433a04398958aa488d14acd0f [2020-09-25 01:58:38,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:58:38,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:58:38,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:58:38,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:58:38,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:58:38,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:58:38" (1/1) ... [2020-09-25 01:58:38,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:38, skipping insertion in model container [2020-09-25 01:58:38,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:58:38" (1/1) ... [2020-09-25 01:58:38,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:58:38,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:58:38,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:58:38,821 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:58:39,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:58:39,088 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:58:39,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39 WrapperNode [2020-09-25 01:58:39,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:58:39,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:58:39,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:58:39,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:58:39,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (1/1) ... [2020-09-25 01:58:39,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (1/1) ... [2020-09-25 01:58:39,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (1/1) ... [2020-09-25 01:58:39,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (1/1) ... [2020-09-25 01:58:39,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (1/1) ... [2020-09-25 01:58:39,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (1/1) ... [2020-09-25 01:58:39,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (1/1) ... [2020-09-25 01:58:39,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:58:39,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:58:39,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:58:39,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:58:39,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (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 [2020-09-25 01:58:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:58:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:58:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:58:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 01:58:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 01:58:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 01:58:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:58:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:58:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:58:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:58:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:58:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:58:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 01:58:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 01:58:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:58:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 01:58:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:58:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 01:58:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 01:58:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 01:58:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 01:58:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 01:58:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 01:58:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 01:58:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 01:58:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 01:58:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 01:58:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 01:58:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 01:58:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 01:58:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 01:58:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 01:58:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 01:58:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 01:58:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 01:58:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 01:58:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 01:58:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 01:58:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 01:58:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:58:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:58:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:58:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:58:39,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:58:39,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:58:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:58:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:58:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:58:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:58:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 01:58:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 01:58:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 01:58:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 01:58:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 01:58:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:58:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:58:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:58:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:58:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 01:58:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 01:58:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 01:58:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 01:58:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 01:58:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:58:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 01:58:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 01:58:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:58:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 01:58:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:58:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 01:58:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 01:58:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 01:58:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 01:58:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 01:58:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 01:58:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 01:58:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 01:58:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 01:58:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 01:58:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 01:58:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 01:58:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 01:58:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 01:58:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 01:58:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:58:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:58:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:58:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:58:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:58:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:58:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:58:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:58:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:58:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:58:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:58:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:58:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:58:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:58:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:58:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:58:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:58:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:58:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:58:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:58:40,688 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:58:40,688 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:58:40,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:58:40 BoogieIcfgContainer [2020-09-25 01:58:40,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:58:40,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:58:40,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:58:40,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:58:40,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:58:38" (1/3) ... [2020-09-25 01:58:40,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6152d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:58:40, skipping insertion in model container [2020-09-25 01:58:40,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:58:39" (2/3) ... [2020-09-25 01:58:40,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6152d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:58:40, skipping insertion in model container [2020-09-25 01:58:40,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:58:40" (3/3) ... [2020-09-25 01:58:40,719 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2020-09-25 01:58:40,733 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:58:40,748 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:58:40,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:58:40,810 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:58:40,810 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:58:40,810 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:58:40,810 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:58:40,811 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:58:40,811 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:58:40,811 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:58:40,811 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:58:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states. [2020-09-25 01:58:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 01:58:40,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:58:40,865 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] [2020-09-25 01:58:40,865 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:58:40,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:58:40,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1341435663, now seen corresponding path program 1 times [2020-09-25 01:58:40,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:58:40,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007579229] [2020-09-25 01:58:40,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:58:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:41,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:41,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:43,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:43,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:46,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:46,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:46,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 01:58:46,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:58:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-09-25 01:58:46,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 01:58:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:58:46,764 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:58:46,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:58:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:46,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:46,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:46,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:58:46,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 01:58:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:58:46,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:58:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:46,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:46,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:46,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:58:46,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:58:46,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:46,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:58:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:46,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:46,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:46,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:58:46,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:58:46,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:46,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:58:46,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:58:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:46,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:46,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:46,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:58:46,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:58:46,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:58:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:46,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:47,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:47,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:58:47,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:47,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:58:47,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:47,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:58:47,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:58:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:47,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:47,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:47,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:58:47,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:47,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:58:47,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:47,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:47,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:47,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:47,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:58:47,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 01:58:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:47,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:47,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:47,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 01:58:47,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:47,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:58:47,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 01:58:47,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:58:47,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:58:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:47,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:47,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:47,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:58:47,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:47,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:58:47,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:47,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:47,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:47,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:47,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 01:58:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:47,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:47,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:47,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:58:47,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:58:47,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:47,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:47,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:58:47,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:47,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 01:58:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:47,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:47,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:47,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:58:47,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:58:47,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:58:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:47,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:58:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 01:58:47,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007579229] [2020-09-25 01:58:47,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:58:47,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:58:47,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596625061] [2020-09-25 01:58:47,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:58:47,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:58:47,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:58:47,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:58:47,127 INFO L87 Difference]: Start difference. First operand 365 states. Second operand 4 states. [2020-09-25 01:58:48,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:58:48,948 INFO L93 Difference]: Finished difference Result 594 states and 699 transitions. [2020-09-25 01:58:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 01:58:48,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 01:58:48,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:58:48,972 INFO L225 Difference]: With dead ends: 594 [2020-09-25 01:58:48,973 INFO L226 Difference]: Without dead ends: 365 [2020-09-25 01:58:48,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:58:49,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-09-25 01:58:49,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 314. [2020-09-25 01:58:49,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-09-25 01:58:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 346 transitions. [2020-09-25 01:58:49,100 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 346 transitions. Word has length 160 [2020-09-25 01:58:49,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:58:49,101 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 346 transitions. [2020-09-25 01:58:49,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:58:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 346 transitions. [2020-09-25 01:58:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 01:58:49,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:58:49,108 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] [2020-09-25 01:58:49,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:58:49,108 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:58:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:58:49,109 INFO L82 PathProgramCache]: Analyzing trace with hash 42418448, now seen corresponding path program 1 times [2020-09-25 01:58:49,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:58:49,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709718548] [2020-09-25 01:58:49,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:58:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:49,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:49,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:50,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:51,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:52,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:54,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:54,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 01:58:54,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:58:54,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 01:58:54,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:54,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:58:54,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 01:58:54,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:58:54,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:58:54,662 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:58:54,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:58:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:54,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:54,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:54,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:58:54,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 01:58:54,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:54,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:58:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:54,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:54,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:54,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:58:54,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:54,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:58:54,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:54,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:58:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:54,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:54,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:54,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:58:54,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:54,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:58:54,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:54,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:54,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:58:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:54,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:54,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:58:54,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:54,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:58:54,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:54,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:58:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:54,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:54,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:54,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:58:54,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:58:54,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 01:58:54,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:58:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:54,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:54,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:54,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:58:54,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:54,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:58:54,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:54,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:54,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 01:58:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:54,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:55,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:55,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 01:58:55,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:55,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:58:55,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 01:58:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:55,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:55,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:58:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:55,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:55,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:55,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:58:55,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:55,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:58:55,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:58:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 01:58:55,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 01:58:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:55,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:55,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:55,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:58:55,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:55,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:58:55,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:58:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:55,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 01:58:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:55,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:55,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:58:55,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:58:55,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:58:55,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:58:55,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:58:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:58:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:58:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:58:55,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:58:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 01:58:55,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709718548] [2020-09-25 01:58:55,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:58:55,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:58:55,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153366977] [2020-09-25 01:58:55,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:58:55,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:58:55,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:58:55,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:58:55,101 INFO L87 Difference]: Start difference. First operand 314 states and 346 transitions. Second operand 5 states. [2020-09-25 01:58:55,817 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:58:57,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:58:57,126 INFO L93 Difference]: Finished difference Result 517 states and 587 transitions. [2020-09-25 01:58:57,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:58:57,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 01:58:57,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:58:57,132 INFO L225 Difference]: With dead ends: 517 [2020-09-25 01:58:57,132 INFO L226 Difference]: Without dead ends: 354 [2020-09-25 01:58:57,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:58:57,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-09-25 01:58:57,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 304. [2020-09-25 01:58:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-09-25 01:58:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 333 transitions. [2020-09-25 01:58:57,186 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 333 transitions. Word has length 161 [2020-09-25 01:58:57,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:58:57,187 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 333 transitions. [2020-09-25 01:58:57,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:58:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 333 transitions. [2020-09-25 01:58:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 01:58:57,190 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:58:57,190 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] [2020-09-25 01:58:57,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:58:57,191 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:58:57,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:58:57,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1780582113, now seen corresponding path program 1 times [2020-09-25 01:58:57,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:58:57,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928307264] [2020-09-25 01:58:57,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:58:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:58:57,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:57,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:58,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:58:59,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-25 01:59:02,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:59:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 01:59:02,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:59:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 01:59:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 01:59:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:02,576 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:59:02,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:59:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:59:02,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 01:59:02,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:02,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:59:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:59:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:02,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:59:02,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:02,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:02,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:59:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:02,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:59:02,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:02,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:02,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:02,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:59:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:02,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:02,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:02,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:02,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:59:02,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:59:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:02,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:59:02,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:02,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:02,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:59:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:59:02,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:02,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:02,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:02,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 01:59:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 01:59:02,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:02,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:02,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:02,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:02,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:59:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:02,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:59:02,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:02,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 01:59:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:02,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:59:02,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:59:02,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:02,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 01:59:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:02,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:02,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:02,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:02,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:02,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 01:59:02,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:59:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:59:02,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 01:59:02,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928307264] [2020-09-25 01:59:02,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:59:02,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 01:59:02,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146681690] [2020-09-25 01:59:02,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 01:59:02,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:59:02,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 01:59:02,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 01:59:02,963 INFO L87 Difference]: Start difference. First operand 304 states and 333 transitions. Second operand 9 states. [2020-09-25 01:59:03,644 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:59:04,422 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:59:05,044 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 01:59:06,425 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:59:06,748 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 01:59:07,072 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:59:07,698 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:59:08,010 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:59:08,301 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:59:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:59:09,089 INFO L93 Difference]: Finished difference Result 649 states and 757 transitions. [2020-09-25 01:59:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 01:59:09,090 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-25 01:59:09,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:59:09,094 INFO L225 Difference]: With dead ends: 649 [2020-09-25 01:59:09,094 INFO L226 Difference]: Without dead ends: 460 [2020-09-25 01:59:09,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 01:59:09,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-09-25 01:59:09,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 412. [2020-09-25 01:59:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-25 01:59:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 455 transitions. [2020-09-25 01:59:09,156 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 455 transitions. Word has length 170 [2020-09-25 01:59:09,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:59:09,157 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 455 transitions. [2020-09-25 01:59:09,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 01:59:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 455 transitions. [2020-09-25 01:59:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 01:59:09,160 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:59:09,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:59:09,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:59:09,161 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:59:09,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:59:09,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1476641155, now seen corresponding path program 1 times [2020-09-25 01:59:09,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:59:09,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981946036] [2020-09-25 01:59:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:59:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:09,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:09,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:09,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 01:59:09,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:09,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 700 [2020-09-25 01:59:09,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:09,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:59:09,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-25 01:59:09,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:59:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:10,215 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:59:10,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:59:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:59:10,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 01:59:10,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:59:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:10,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:59:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:10,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:10,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:59:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:10,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:59:10,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:10,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:10,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:59:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:10,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:10,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:59:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:59:10,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:59:10,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 01:59:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 01:59:10,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:59:10,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:10,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:59:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:10,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:10,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:10,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:59:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:59:10,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 01:59:10,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:59:10,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 01:59:10,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:59:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 01:59:10,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 01:59:10,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:59:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 01:59:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:59:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 01:59:10,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 01:59:10,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:59:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 01:59:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:59:10,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:10,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:59:10,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 01:59:10,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:59:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:59:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:59:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:10,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:59:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:10,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:10,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:10,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:59:10,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 01:59:10,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:59:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:59:10,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:11,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 01:59:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:11,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:11,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 01:59:11,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:11,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 01:59:11,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:11,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 01:59:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:11,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:59:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:11,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:11,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:11,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 01:59:11,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:11,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:11,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:11,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:11,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:11,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:11,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:59:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:11,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:11,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:11,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:11,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:11,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:11,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 01:59:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:11,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:11,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:59:11,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:11,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:11,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:11,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 01:59:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:11,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:11,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:11,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:11,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:11,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:11,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:59:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:11,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:11,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 01:59:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:11,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:11,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:11,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:11,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:11,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:11,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:59:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 01:59:11,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981946036] [2020-09-25 01:59:11,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:59:11,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 01:59:11,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454070296] [2020-09-25 01:59:11,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 01:59:11,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:59:11,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 01:59:11,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 01:59:11,223 INFO L87 Difference]: Start difference. First operand 412 states and 455 transitions. Second operand 9 states. [2020-09-25 01:59:12,854 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:59:13,175 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 01:59:13,505 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:59:13,840 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 01:59:14,140 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:59:15,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:59:15,302 INFO L93 Difference]: Finished difference Result 794 states and 933 transitions. [2020-09-25 01:59:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 01:59:15,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 235 [2020-09-25 01:59:15,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:59:15,310 INFO L225 Difference]: With dead ends: 794 [2020-09-25 01:59:15,310 INFO L226 Difference]: Without dead ends: 497 [2020-09-25 01:59:15,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 01:59:15,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-09-25 01:59:15,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 427. [2020-09-25 01:59:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-09-25 01:59:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 472 transitions. [2020-09-25 01:59:15,361 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 472 transitions. Word has length 235 [2020-09-25 01:59:15,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:59:15,361 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 472 transitions. [2020-09-25 01:59:15,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 01:59:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 472 transitions. [2020-09-25 01:59:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 01:59:15,365 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:59:15,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:59:15,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:59:15,366 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:59:15,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:59:15,367 INFO L82 PathProgramCache]: Analyzing trace with hash -277522141, now seen corresponding path program 1 times [2020-09-25 01:59:15,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:59:15,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445485286] [2020-09-25 01:59:15,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:59:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:15,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 01:59:16,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 884 [2020-09-25 01:59:16,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:59:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-25 01:59:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 01:59:16,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:16,602 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:59:16,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:59:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:59:16,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 01:59:16,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:16,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:16,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:16,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:59:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:16,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:16,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:16,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:59:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:16,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:16,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:16,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:16,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:16,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:59:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:16,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:59:16,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:16,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:59:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:16,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:16,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:16,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:59:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:59:16,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:16,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:16,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 01:59:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 01:59:16,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:16,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:16,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:16,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:59:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:16,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:16,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:16,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:16,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:59:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:16,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:16,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:59:16,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:16,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 01:59:16,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:16,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:59:16,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 01:59:16,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 01:59:16,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:16,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:16,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 01:59:17,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 01:59:17,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:59:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 01:59:17,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 01:59:17,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 01:59:17,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 01:59:17,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:59:17,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 01:59:17,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 01:59:17,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:59:17,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 01:59:17,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:59:17,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:17,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 01:59:17,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:59:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:59:17,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:59:17,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:17,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 01:59:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 01:59:17,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:59:17,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 01:59:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:59:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 01:59:17,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:17,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:59:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:17,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:17,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:17,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:17,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 01:59:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:59:17,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:17,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:17,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 01:59:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:17,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:17,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:59:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:17,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 01:59:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:17,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:17,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:17,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:17,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:17,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:59:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:17,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 01:59:17,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445485286] [2020-09-25 01:59:17,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:59:17,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 01:59:17,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144595584] [2020-09-25 01:59:17,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 01:59:17,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:59:17,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 01:59:17,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 01:59:17,468 INFO L87 Difference]: Start difference. First operand 427 states and 472 transitions. Second operand 10 states. [2020-09-25 01:59:19,143 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:59:19,447 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 01:59:19,765 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 01:59:20,082 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:59:20,433 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 01:59:20,763 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:59:22,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:59:22,086 INFO L93 Difference]: Finished difference Result 814 states and 955 transitions. [2020-09-25 01:59:22,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 01:59:22,087 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 235 [2020-09-25 01:59:22,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:59:22,090 INFO L225 Difference]: With dead ends: 814 [2020-09-25 01:59:22,091 INFO L226 Difference]: Without dead ends: 502 [2020-09-25 01:59:22,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 01:59:22,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-09-25 01:59:22,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 435. [2020-09-25 01:59:22,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-09-25 01:59:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 480 transitions. [2020-09-25 01:59:22,147 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 480 transitions. Word has length 235 [2020-09-25 01:59:22,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:59:22,148 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 480 transitions. [2020-09-25 01:59:22,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 01:59:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 480 transitions. [2020-09-25 01:59:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 01:59:22,150 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:59:22,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:59:22,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 01:59:22,151 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:59:22,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:59:22,151 INFO L82 PathProgramCache]: Analyzing trace with hash 145143104, now seen corresponding path program 1 times [2020-09-25 01:59:22,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:59:22,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861917777] [2020-09-25 01:59:22,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:59:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:22,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:23,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:23,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 01:59:23,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:23,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1420 [2020-09-25 01:59:23,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:23,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 01:59:23,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 01:59:23,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 01:59:23,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:23,961 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:59:23,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:59:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:59:24,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-25 01:59:24,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 01:59:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:59:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:24,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:59:24,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:59:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:59:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:24,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:24,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:59:24,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:59:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:24,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:59:24,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:59:24,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:59:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:59:24,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:24,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:59:24,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:59:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:59:24,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:24,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 01:59:24,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 01:59:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 01:59:24,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:59:24,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 01:59:24,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:59:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:24,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:59:24,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:24,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:59:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:59:24,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 01:59:24,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 01:59:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 01:59:24,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 01:59:24,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 01:59:24,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 01:59:24,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 01:59:24,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 01:59:24,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 01:59:24,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:59:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:59:24,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:59:24,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 01:59:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:59:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:59:24,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:59:24,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:59:24,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 01:59:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 01:59:24,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:59:24,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:59:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 01:59:24,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:59:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 01:59:24,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:24,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:24,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:59:24,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:59:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:24,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:24,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 01:59:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:59:24,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:24,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:59:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 01:59:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:24,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:24,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:24,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:59:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 01:59:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:59:24,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:59:24,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:59:24,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:59:24,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:59:24,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:59:24,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:59:24,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:59:24,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:59:24,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:59:24,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:59:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 01:59:24,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861917777] [2020-09-25 01:59:24,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:59:24,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 01:59:24,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263675797] [2020-09-25 01:59:24,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 01:59:24,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:59:24,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 01:59:24,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:59:24,663 INFO L87 Difference]: Start difference. First operand 435 states and 480 transitions. Second operand 7 states. [2020-09-25 01:59:25,243 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189