/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=DEEPEST --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_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:48:28,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:48:28,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:48:28,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:48:28,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:48:28,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:48:28,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:48:28,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:48:28,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:48:28,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:48:28,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:48:28,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:48:28,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:48:28,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:48:28,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:48:28,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:48:28,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:48:28,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:48:28,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:48:28,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:48:28,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:48:28,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:48:28,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:48:28,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:48:28,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:48:28,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:48:28,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:48:28,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:48:28,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:48:28,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:48:28,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:48:28,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:48:28,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:48:28,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:48:28,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:48:28,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:48:28,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:48:28,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:48:28,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:48:28,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:48:28,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:48:28,254 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 00:48:28,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:48:28,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:48:28,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:48:28,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:48:28,292 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:48:28,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:48:28,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:48:28,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:48:28,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:48:28,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:48:28,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:48:28,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:48:28,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:48:28,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:48:28,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:48:28,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:48:28,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:48:28,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:48:28,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:48:28,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:48:28,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:48:28,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:48:28,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:48:28,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:48:28,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:48:28,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:48:28,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:48:28,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:48:28,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:48:28,297 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:48:28,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:48:28,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:48:28,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:48:28,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:48:28,790 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:48:28,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-09-25 00:48:28,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95f435b1a/3e2fba2e9b2a440abd21c1093427c6b3/FLAG3165f6403 [2020-09-25 00:48:29,500 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:48:29,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-09-25 00:48:29,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95f435b1a/3e2fba2e9b2a440abd21c1093427c6b3/FLAG3165f6403 [2020-09-25 00:48:29,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95f435b1a/3e2fba2e9b2a440abd21c1093427c6b3 [2020-09-25 00:48:29,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:48:29,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:48:29,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:48:29,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:48:29,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:48:29,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:48:29" (1/1) ... [2020-09-25 00:48:29,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2f3aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:29, skipping insertion in model container [2020-09-25 00:48:29,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:48:29" (1/1) ... [2020-09-25 00:48:29,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:48:29,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:48:30,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:48:30,426 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:48:30,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:48:30,617 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:48:30,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30 WrapperNode [2020-09-25 00:48:30,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:48:30,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:48:30,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:48:30,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:48:30,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (1/1) ... [2020-09-25 00:48:30,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (1/1) ... [2020-09-25 00:48:30,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (1/1) ... [2020-09-25 00:48:30,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (1/1) ... [2020-09-25 00:48:30,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (1/1) ... [2020-09-25 00:48:30,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (1/1) ... [2020-09-25 00:48:30,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (1/1) ... [2020-09-25 00:48:30,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:48:30,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:48:30,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:48:30,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:48:30,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (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 00:48:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:48:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:48:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:48:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:48:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:48:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:48:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:48:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:48:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:48:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:48:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:48:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:48:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:48:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:48:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:48:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:48:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:48:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:48:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 00:48:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:48:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:48:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:48:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:48:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:48:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:48:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:48:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:48:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:48:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:48:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:48:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:48:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:48:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:48:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:48:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:48:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:48:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:48:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:48:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:48:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:48:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:48:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:48:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:48:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:48:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:48:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:48:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:48:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:48:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:48:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:48:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:48:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:48:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:48:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:48:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:48:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:48:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:48:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:48:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 00:48:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:48:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:48:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:48:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:48:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:48:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:48:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:48:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:48:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:48:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:48:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:48:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:48:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:48:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:48:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:48:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:48:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:48:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:48:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:48:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:48:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:48:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:48:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:48:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:48:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:48:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:48:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:48:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:48:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:48:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:48:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:48:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:48:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:48:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:48:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:48:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:48:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:48:32,057 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:48:32,058 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:48:32,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:48:32 BoogieIcfgContainer [2020-09-25 00:48:32,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:48:32,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:48:32,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:48:32,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:48:32,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:48:29" (1/3) ... [2020-09-25 00:48:32,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f25feee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:48:32, skipping insertion in model container [2020-09-25 00:48:32,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:30" (2/3) ... [2020-09-25 00:48:32,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f25feee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:48:32, skipping insertion in model container [2020-09-25 00:48:32,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:48:32" (3/3) ... [2020-09-25 00:48:32,075 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-09-25 00:48:32,088 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:48:32,099 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:48:32,122 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:48:32,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:48:32,151 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:48:32,151 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:48:32,151 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:48:32,151 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:48:32,151 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:48:32,151 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:48:32,152 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:48:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-09-25 00:48:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 00:48:32,200 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:32,201 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 00:48:32,202 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:32,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:32,210 INFO L82 PathProgramCache]: Analyzing trace with hash 938593778, now seen corresponding path program 1 times [2020-09-25 00:48:32,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:32,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097552301] [2020-09-25 00:48:32,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:32,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:32,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:34,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:37,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:37,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:37,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 00:48:37,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:48:37,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 00:48:37,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:37,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 00:48:37,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:48:37,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 00:48:38,123 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:48:38,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:48:38,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 00:48:38,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:38,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:48:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:38,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:48:38,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:38,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:48:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:38,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:48:38,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:38,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:38,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:48:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:38,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:48:38,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:38,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:38,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:48:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:38,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:38,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:38,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:38,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:48:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:38,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:38,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:38,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:48:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:38,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:38,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:38,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:38,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:38,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:38,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 00:48:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:38,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:38,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:48:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:48:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:48:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:38,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:38,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:38,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:38,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:48:38,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:48:38,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:38,557 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 00:48:38,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097552301] [2020-09-25 00:48:38,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:48:38,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:48:38,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477106405] [2020-09-25 00:48:38,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:48:38,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:48:38,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:48:38,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:48:38,603 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 9 states. [2020-09-25 00:48:39,322 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:48:40,120 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:40,478 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:48:41,975 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:48:42,286 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:42,680 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:43,320 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:43,638 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:48:43,951 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:44,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:48:44,573 INFO L93 Difference]: Finished difference Result 619 states and 754 transitions. [2020-09-25 00:48:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:48:44,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 00:48:44,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:48:44,597 INFO L225 Difference]: With dead ends: 619 [2020-09-25 00:48:44,598 INFO L226 Difference]: Without dead ends: 418 [2020-09-25 00:48:44,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:48:44,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-09-25 00:48:44,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 369. [2020-09-25 00:48:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-09-25 00:48:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 415 transitions. [2020-09-25 00:48:44,741 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 415 transitions. Word has length 160 [2020-09-25 00:48:44,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:48:44,743 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 415 transitions. [2020-09-25 00:48:44,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:48:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 415 transitions. [2020-09-25 00:48:44,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 00:48:44,749 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:44,750 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] [2020-09-25 00:48:44,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:48:44,750 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:44,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:44,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1165066921, now seen corresponding path program 1 times [2020-09-25 00:48:44,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:44,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669128215] [2020-09-25 00:48:44,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:44,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:45,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:45,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 00:48:45,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:45,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-09-25 00:48:45,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:45,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:45,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 00:48:45,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:48:45,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,046 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:48:46,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:48:46,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 00:48:46,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:48:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:46,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:46,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:48:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:46,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:48:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:46,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:48:46,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:48:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:46,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:46,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:48:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:46,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:46,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:48:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:46,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:46,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:46,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:46,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 00:48:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:48:46,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 00:48:46,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 00:48:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:48:46,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:48:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:48:46,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 00:48:46,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:46,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:48:46,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:48:46,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:48:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:48:46,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 00:48:46,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:46,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:48:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:48:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:48:46,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:46,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:48:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:46,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:46,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 00:48:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 00:48:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:46,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 00:48:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:46,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:46,682 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 00:48:46,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669128215] [2020-09-25 00:48:46,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:48:46,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:48:46,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441602857] [2020-09-25 00:48:46,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:48:46,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:48:46,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:48:46,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:48:46,687 INFO L87 Difference]: Start difference. First operand 369 states and 415 transitions. Second operand 10 states. [2020-09-25 00:48:48,317 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:48,649 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:48:48,984 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 00:48:49,308 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:49,644 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:48:49,953 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:48:50,776 INFO L93 Difference]: Finished difference Result 719 states and 868 transitions. [2020-09-25 00:48:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 00:48:50,777 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-09-25 00:48:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:48:50,788 INFO L225 Difference]: With dead ends: 719 [2020-09-25 00:48:50,788 INFO L226 Difference]: Without dead ends: 465 [2020-09-25 00:48:50,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 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 00:48:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-09-25 00:48:50,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 386. [2020-09-25 00:48:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-09-25 00:48:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 438 transitions. [2020-09-25 00:48:50,871 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 438 transitions. Word has length 208 [2020-09-25 00:48:50,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:48:50,872 INFO L479 AbstractCegarLoop]: Abstraction has 386 states and 438 transitions. [2020-09-25 00:48:50,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:48:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 438 transitions. [2020-09-25 00:48:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 00:48:50,877 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:50,878 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:50,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:48:50,878 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:50,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:50,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1193818671, now seen corresponding path program 1 times [2020-09-25 00:48:50,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:50,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058473860] [2020-09-25 00:48:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:50,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:51,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:51,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:51,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-09-25 00:48:55,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:48:55,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 00:48:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 00:48:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-09-25 00:48:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 00:48:55,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:56,471 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:48:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:48:56,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 00:48:56,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:48:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:56,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:56,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:48:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:56,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:48:56,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:48:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:56,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:56,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:48:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:56,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:56,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:48:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:56,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:56,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:48:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 00:48:56,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 00:48:56,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 00:48:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:56,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:56,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:56,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:48:56,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:48:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:48:56,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:48:56,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:48:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:48:56,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:48:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:56,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:48:56,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:48:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:48:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 00:48:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:56,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:48:56,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:48:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:48:56,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:56,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:48:56,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:56,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 00:48:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:48:56,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:48:56,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 00:48:56,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 00:48:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:48:56,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:48:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:56,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:56,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:56,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:48:56,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 00:48:56,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:56,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:48:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:48:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:56,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:48:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:57,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:57,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:57,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:48:57,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:57,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 00:48:57,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:48:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:48:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:57,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:48:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:57,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:57,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:57,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:48:57,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:57,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:48:57,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:48:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:57,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:48:57,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:57,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:48:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:57,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:57,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:57,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:57,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:57,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:57,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:57,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:57,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 00:48:57,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:57,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:57,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 00:48:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:57,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:57,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:57,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:57,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:57,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:57,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:57,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:57,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 00:48:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:57,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:57,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:57,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:57,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:57,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:57,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:57,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:57,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:57,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:57,212 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 00:48:57,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058473860] [2020-09-25 00:48:57,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:48:57,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-25 00:48:57,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351185667] [2020-09-25 00:48:57,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 00:48:57,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:48:57,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 00:48:57,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:48:57,215 INFO L87 Difference]: Start difference. First operand 386 states and 438 transitions. Second operand 15 states. [2020-09-25 00:48:58,774 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:48:59,087 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:59,422 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:48:59,759 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:00,069 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:00,388 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:00,713 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:01,072 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:49:01,494 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:01,881 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:49:02,203 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:02,520 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:03,683 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:04,036 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:49:04,375 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:04,735 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:49:06,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:06,594 INFO L93 Difference]: Finished difference Result 1006 states and 1330 transitions. [2020-09-25 00:49:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 00:49:06,597 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 235 [2020-09-25 00:49:06,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:06,604 INFO L225 Difference]: With dead ends: 1006 [2020-09-25 00:49:06,604 INFO L226 Difference]: Without dead ends: 735 [2020-09-25 00:49:06,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=234, Invalid=956, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 00:49:06,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-09-25 00:49:06,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 607. [2020-09-25 00:49:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-09-25 00:49:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 726 transitions. [2020-09-25 00:49:06,683 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 726 transitions. Word has length 235 [2020-09-25 00:49:06,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:06,684 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 726 transitions. [2020-09-25 00:49:06,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-25 00:49:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 726 transitions. [2020-09-25 00:49:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 00:49:06,688 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:06,688 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] [2020-09-25 00:49:06,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:49:06,689 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:06,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:06,689 INFO L82 PathProgramCache]: Analyzing trace with hash 817704021, now seen corresponding path program 1 times [2020-09-25 00:49:06,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:06,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025959434] [2020-09-25 00:49:06,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:06,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:06,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 00:49:10,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:49:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3742 [2020-09-25 00:49:10,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 00:49:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:10,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,799 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:10,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:10,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 00:49:10,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:10,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:10,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:10,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:10,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:10,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:10,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:10,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:10,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:10,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:10,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:10,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:10,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:10,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:11,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:11,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:11,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:11,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:49:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:11,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:11,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:49:11,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:11,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:11,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:11,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:49:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:11,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 00:49:11,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-25 00:49:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:11,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:11,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:49:11,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:11,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:11,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:49:11,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:11,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:11,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:11,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:11,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:11,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:11,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:11,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 00:49:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:11,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:11,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:11,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 00:49:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:11,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:11,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:11,193 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 00:49:11,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025959434] [2020-09-25 00:49:11,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:11,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:49:11,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476154928] [2020-09-25 00:49:11,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:49:11,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:11,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:49:11,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:49:11,196 INFO L87 Difference]: Start difference. First operand 607 states and 726 transitions. Second operand 6 states. [2020-09-25 00:49:11,851 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:13,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:13,005 INFO L93 Difference]: Finished difference Result 1001 states and 1187 transitions. [2020-09-25 00:49:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:49:13,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2020-09-25 00:49:13,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:13,011 INFO L225 Difference]: With dead ends: 1001 [2020-09-25 00:49:13,011 INFO L226 Difference]: Without dead ends: 652 [2020-09-25 00:49:13,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:49:13,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-09-25 00:49:13,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 567. [2020-09-25 00:49:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-09-25 00:49:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 638 transitions. [2020-09-25 00:49:13,076 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 638 transitions. Word has length 199 [2020-09-25 00:49:13,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:13,077 INFO L479 AbstractCegarLoop]: Abstraction has 567 states and 638 transitions. [2020-09-25 00:49:13,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:49:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 638 transitions. [2020-09-25 00:49:13,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 00:49:13,080 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:13,081 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:13,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:49:13,081 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:13,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:13,081 INFO L82 PathProgramCache]: Analyzing trace with hash -599777164, now seen corresponding path program 1 times [2020-09-25 00:49:13,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:13,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906830622] [2020-09-25 00:49:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:13,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:14,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:14,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 00:49:14,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:14,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1368 [2020-09-25 00:49:14,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:14,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:49:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 00:49:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 00:49:14,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:14,842 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:14,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:14,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:15,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-25 00:49:15,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 00:49:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:15,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:49:15,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:15,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:49:15,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:15,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:15,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:15,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:15,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:49:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:15,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 00:49:15,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:49:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:15,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 00:49:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:15,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 00:49:15,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 00:49:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 00:49:15,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:49:15,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:15,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 00:49:15,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 00:49:15,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:15,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:49:15,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:15,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:15,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:15,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:15,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:49:15,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 00:49:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:15,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 00:49:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:15,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,625 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 00:49:15,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906830622] [2020-09-25 00:49:15,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:15,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 00:49:15,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138907380] [2020-09-25 00:49:15,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 00:49:15,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:15,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 00:49:15,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:49:15,630 INFO L87 Difference]: Start difference. First operand 567 states and 638 transitions. Second operand 7 states. [2020-09-25 00:49:16,359 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:17,725 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189