/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:40:24,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:40:24,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:40:24,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:40:24,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:40:24,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:40:24,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:40:24,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:40:24,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:40:24,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:40:24,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:40:24,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:40:24,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:40:24,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:40:24,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:40:24,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:40:24,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:40:24,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:40:24,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:40:24,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:40:24,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:40:24,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:40:24,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:40:24,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:40:24,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:40:24,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:40:24,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:40:24,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:40:24,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:40:24,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:40:24,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:40:24,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:40:24,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:40:24,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:40:24,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:40:24,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:40:24,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:40:24,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:40:24,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:40:24,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:40:24,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:40:24,623 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 07:40:24,670 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:40:24,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:40:24,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:40:24,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:40:24,672 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:40:24,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:40:24,673 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:40:24,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:40:24,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:40:24,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:40:24,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:40:24,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:40:24,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:40:24,676 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:40:24,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:40:24,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:40:24,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:40:24,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:40:24,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:40:24,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:40:24,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:40:24,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:40:24,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:40:24,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:40:24,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:40:24,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:40:24,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:40:24,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:40:24,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:40:24,679 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:40:25,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:40:25,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:40:25,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:40:25,228 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:40:25,229 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:40:25,230 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-09-25 07:40:25,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f82fa7289/1947100f32b84cbb956c0a476a36e293/FLAGa4337901c [2020-09-25 07:40:25,938 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:40:25,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-09-25 07:40:25,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f82fa7289/1947100f32b84cbb956c0a476a36e293/FLAGa4337901c [2020-09-25 07:40:26,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f82fa7289/1947100f32b84cbb956c0a476a36e293 [2020-09-25 07:40:26,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:40:26,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:40:26,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:40:26,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:40:26,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:40:26,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:26,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26, skipping insertion in model container [2020-09-25 07:40:26,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:26,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:40:26,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:40:26,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:40:26,876 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:40:26,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:40:26,997 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:40:26,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26 WrapperNode [2020-09-25 07:40:26,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:40:26,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:40:26,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:40:26,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:40:27,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:27,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:27,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:27,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:27,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:27,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:27,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (1/1) ... [2020-09-25 07:40:27,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:40:27,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:40:27,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:40:27,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:40:27,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (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 07:40:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:40:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:40:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:40:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:40:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:40:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 07:40:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:40:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:40:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:40:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:40:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:40:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:40:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 07:40:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:40:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:40:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:40:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:40:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:40:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:40:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:40:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:40:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 07:40:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:40:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:40:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:40:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:40:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:40:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:40:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:40:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:40:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:40:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:40:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:40:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:40:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:40:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:40:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:40:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:40:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:40:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 07:40:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 07:40:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 07:40:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:40:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:40:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:40:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:40:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:40:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:40:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 07:40:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:40:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:40:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:40:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:40:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:40:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:40:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 07:40:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 07:40:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:40:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:40:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 07:40:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 07:40:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:40:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:40:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:40:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:40:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:40:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:40:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:40:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:40:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:40:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:40:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:40:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 07:40:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:40:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:40:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:40:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:40:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:40:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:40:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:40:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:40:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:40:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:40:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:40:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:40:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:40:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:40:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:40:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:40:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:40:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:40:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:40:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:40:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:40:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:40:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:40:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:40:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:40:28,320 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:40:28,320 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:40:28,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:40:28 BoogieIcfgContainer [2020-09-25 07:40:28,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:40:28,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:40:28,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:40:28,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:40:28,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:40:26" (1/3) ... [2020-09-25 07:40:28,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79efcb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:40:28, skipping insertion in model container [2020-09-25 07:40:28,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:26" (2/3) ... [2020-09-25 07:40:28,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79efcb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:40:28, skipping insertion in model container [2020-09-25 07:40:28,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:40:28" (3/3) ... [2020-09-25 07:40:28,337 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-09-25 07:40:28,348 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:40:28,359 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:40:28,381 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:40:28,413 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:40:28,413 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:40:28,413 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:40:28,413 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:40:28,413 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:40:28,414 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:40:28,414 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:40:28,414 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:40:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-09-25 07:40:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 07:40:28,461 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:40:28,463 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 07:40:28,463 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:40:28,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:40:28,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1798805574, now seen corresponding path program 1 times [2020-09-25 07:40:28,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:40:28,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779889116] [2020-09-25 07:40:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:40:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:29,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:29,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:29,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:30,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:31,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:33,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:33,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 07:40:33,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:40:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 07:40:33,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:33,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 07:40:33,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:33,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:40:34,313 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:40:34,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:40:34,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 07:40:34,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:40:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:34,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:34,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:40:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:34,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:40:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:34,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:40:34,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:40:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:34,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:34,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:40:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:40:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:40:34,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:40:34,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:40:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:34,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 07:40:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:34,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:34,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:40:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:34,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:34,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:34,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:34,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:34,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:34,614 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 07:40:34,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779889116] [2020-09-25 07:40:34,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:40:34,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:40:34,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826268563] [2020-09-25 07:40:34,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:40:34,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:40:34,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:40:34,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:40:34,676 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 4 states. [2020-09-25 07:40:35,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:40:35,999 INFO L93 Difference]: Finished difference Result 507 states and 593 transitions. [2020-09-25 07:40:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 07:40:36,002 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 07:40:36,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:40:36,025 INFO L225 Difference]: With dead ends: 507 [2020-09-25 07:40:36,025 INFO L226 Difference]: Without dead ends: 318 [2020-09-25 07:40:36,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:40:36,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-25 07:40:36,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 274. [2020-09-25 07:40:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-09-25 07:40:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 298 transitions. [2020-09-25 07:40:36,150 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 298 transitions. Word has length 160 [2020-09-25 07:40:36,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:40:36,151 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 298 transitions. [2020-09-25 07:40:36,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:40:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 298 transitions. [2020-09-25 07:40:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:40:36,156 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:40:36,156 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:40:36,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:40:36,157 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:40:36,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:40:36,158 INFO L82 PathProgramCache]: Analyzing trace with hash 547733544, now seen corresponding path program 1 times [2020-09-25 07:40:36,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:40:36,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594497609] [2020-09-25 07:40:36,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:40:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:36,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:36,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:36,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:37,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:39,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 07:40:41,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:40:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 07:40:41,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 07:40:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-25 07:40:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:41,530 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:40:41,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:40:41,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-25 07:40:41,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 07:40:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:41,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:40:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:41,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:41,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:40:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:41,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:40:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:41,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:41,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:40:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:41,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:40:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:41,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:40:41,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:40:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:41,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:40:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:41,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:41,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:40:41,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:41,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:40:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:41,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:41,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:40:41,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:40:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:40:41,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:40:41,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:40:41,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:41,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:41,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:41,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:41,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:41,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 07:40:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:41,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:41,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:41,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:41,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 07:40:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:41,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:41,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:41,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:41,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:41,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:41,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:41,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:41,957 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 07:40:41,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594497609] [2020-09-25 07:40:41,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:40:41,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:40:41,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220465486] [2020-09-25 07:40:41,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:40:41,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:40:41,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:40:41,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:40:41,962 INFO L87 Difference]: Start difference. First operand 274 states and 298 transitions. Second operand 5 states. [2020-09-25 07:40:42,463 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:40:43,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:40:43,281 INFO L93 Difference]: Finished difference Result 477 states and 545 transitions. [2020-09-25 07:40:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:40:43,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 07:40:43,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:40:43,290 INFO L225 Difference]: With dead ends: 477 [2020-09-25 07:40:43,290 INFO L226 Difference]: Without dead ends: 318 [2020-09-25 07:40:43,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:40:43,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-25 07:40:43,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 274. [2020-09-25 07:40:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-09-25 07:40:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 297 transitions. [2020-09-25 07:40:43,337 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 297 transitions. Word has length 161 [2020-09-25 07:40:43,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:40:43,338 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 297 transitions. [2020-09-25 07:40:43,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:40:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 297 transitions. [2020-09-25 07:40:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 07:40:43,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:40:43,342 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] [2020-09-25 07:40:43,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:40:43,342 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:40:43,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:40:43,343 INFO L82 PathProgramCache]: Analyzing trace with hash -719060444, now seen corresponding path program 1 times [2020-09-25 07:40:43,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:40:43,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518920473] [2020-09-25 07:40:43,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:40:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:43,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:43,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:43,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:44,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:47,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 07:40:48,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 07:40:48,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 07:40:48,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 07:40:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:40:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:48,746 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:40:48,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:40:48,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 07:40:48,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:40:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:48,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:40:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:48,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:48,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:48,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:40:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:48,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:40:48,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:40:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:48,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:48,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:40:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:48,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:48,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:40:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:40:48,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:40:48,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:40:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:48,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:48,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 07:40:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 07:40:48,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:40:48,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 07:40:48,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 07:40:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:40:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:40:48,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:48,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:40:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:48,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:40:48,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:48,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 07:40:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:48,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:48,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:48,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:48,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:48,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:48,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:48,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:48,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 07:40:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:49,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:49,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:49,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:49,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:49,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:40:49,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:49,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:49,068 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 07:40:49,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518920473] [2020-09-25 07:40:49,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:40:49,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:40:49,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744993419] [2020-09-25 07:40:49,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:40:49,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:40:49,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:40:49,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:40:49,073 INFO L87 Difference]: Start difference. First operand 274 states and 297 transitions. Second operand 6 states. [2020-09-25 07:40:49,854 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:40:50,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:40:50,965 INFO L93 Difference]: Finished difference Result 460 states and 524 transitions. [2020-09-25 07:40:50,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 07:40:50,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 07:40:50,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:40:50,969 INFO L225 Difference]: With dead ends: 460 [2020-09-25 07:40:50,970 INFO L226 Difference]: Without dead ends: 331 [2020-09-25 07:40:50,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 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 07:40:50,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-25 07:40:51,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 264. [2020-09-25 07:40:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-25 07:40:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 284 transitions. [2020-09-25 07:40:51,011 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 284 transitions. Word has length 174 [2020-09-25 07:40:51,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:40:51,012 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 284 transitions. [2020-09-25 07:40:51,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:40:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 284 transitions. [2020-09-25 07:40:51,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 07:40:51,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:40:51,015 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] [2020-09-25 07:40:51,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:40:51,015 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:40:51,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:40:51,016 INFO L82 PathProgramCache]: Analyzing trace with hash 714961541, now seen corresponding path program 1 times [2020-09-25 07:40:51,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:40:51,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010703604] [2020-09-25 07:40:51,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:40:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:51,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:51,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:52,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:52,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:53,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:55,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 07:40:56,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 07:40:56,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 07:40:56,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:40:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 07:40:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 07:40:56,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:40:56,418 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:40:56,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:40:56,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 07:40:56,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:40:56,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:40:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:56,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:56,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:40:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:56,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:56,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:40:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:56,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:40:56,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:40:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:56,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:56,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:40:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:40:56,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:56,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:40:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:40:56,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:56,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:40:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:56,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:40:56,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:40:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 07:40:56,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:40:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 07:40:56,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:40:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 07:40:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 07:40:56,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:40:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:40:56,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:40:56,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:40:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 07:40:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 07:40:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:40:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:40:56,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:40:56,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:40:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:40:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:40:56,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 07:40:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:56,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:56,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:56,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 07:40:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:40:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:40:56,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:40:56,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:40:56,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:40:56,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:40:56,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:40:56,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:40:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:40:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:40:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:40:56,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:40:56,861 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 07:40:56,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010703604] [2020-09-25 07:40:56,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:40:56,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 07:40:56,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666742017] [2020-09-25 07:40:56,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 07:40:56,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:40:56,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 07:40:56,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 07:40:56,864 INFO L87 Difference]: Start difference. First operand 264 states and 284 transitions. Second operand 8 states. [2020-09-25 07:40:57,633 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:40:59,410 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:41:00,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:41:00,094 INFO L93 Difference]: Finished difference Result 596 states and 684 transitions. [2020-09-25 07:41:00,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 07:41:00,095 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-09-25 07:41:00,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:41:00,098 INFO L225 Difference]: With dead ends: 596 [2020-09-25 07:41:00,099 INFO L226 Difference]: Without dead ends: 447 [2020-09-25 07:41:00,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 07:41:00,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-25 07:41:00,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 379. [2020-09-25 07:41:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-09-25 07:41:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 411 transitions. [2020-09-25 07:41:00,154 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 411 transitions. Word has length 183 [2020-09-25 07:41:00,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:41:00,155 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 411 transitions. [2020-09-25 07:41:00,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 07:41:00,155 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 411 transitions. [2020-09-25 07:41:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 07:41:00,158 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:41:00,158 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] [2020-09-25 07:41:00,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:41:00,159 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:41:00,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:41:00,159 INFO L82 PathProgramCache]: Analyzing trace with hash -79943243, now seen corresponding path program 1 times [2020-09-25 07:41:00,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:41:00,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508666986] [2020-09-25 07:41:00,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:41:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:00,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:00,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:00,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:01,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:04,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 07:41:05,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:41:05,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 07:41:05,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 07:41:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 07:41:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 07:41:05,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:05,587 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:41:05,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:41:05,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 07:41:05,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:05,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:05,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:41:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:05,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:05,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:05,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:41:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:05,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:05,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:05,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:05,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:41:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:05,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:05,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:05,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:41:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:05,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:05,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:05,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:41:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:05,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:05,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:41:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:41:05,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:05,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:05,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:05,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:41:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 07:41:05,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:41:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-25 07:41:05,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:41:05,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:05,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:41:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:05,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:05,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 07:41:05,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:05,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 07:41:05,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:05,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:05,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:05,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:05,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:41:05,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:05,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:41:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:05,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:06,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:06,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 07:41:06,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 07:41:06,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:06,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 07:41:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:06,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:41:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:06,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:06,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:06,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:41:06,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:06,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:06,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:06,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:06,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 07:41:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:06,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:06,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:06,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:06,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:06,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:06,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:06,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:06,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:41:06,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:06,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 07:41:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:06,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:06,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:06,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:06,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:06,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:06,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:06,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:41:06,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:06,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 07:41:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:06,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:06,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:06,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:06,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:41:06,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:06,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:41:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:41:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:06,113 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 07:41:06,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508666986] [2020-09-25 07:41:06,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:41:06,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 07:41:06,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70005151] [2020-09-25 07:41:06,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 07:41:06,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:41:06,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 07:41:06,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 07:41:06,116 INFO L87 Difference]: Start difference. First operand 379 states and 411 transitions. Second operand 10 states. [2020-09-25 07:41:06,658 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:41:07,531 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:41:07,851 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 07:41:08,823 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:41:09,147 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:41:09,494 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:41:09,987 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:41:10,311 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 07:41:10,597 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:41:11,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:41:11,262 INFO L93 Difference]: Finished difference Result 710 states and 806 transitions. [2020-09-25 07:41:11,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 07:41:11,263 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-25 07:41:11,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:41:11,267 INFO L225 Difference]: With dead ends: 710 [2020-09-25 07:41:11,267 INFO L226 Difference]: Without dead ends: 446 [2020-09-25 07:41:11,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 07:41:11,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-09-25 07:41:11,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 378. [2020-09-25 07:41:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-25 07:41:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 408 transitions. [2020-09-25 07:41:11,314 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 408 transitions. Word has length 207 [2020-09-25 07:41:11,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:41:11,314 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 408 transitions. [2020-09-25 07:41:11,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 07:41:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 408 transitions. [2020-09-25 07:41:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 07:41:11,317 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:41:11,318 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 07:41:11,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 07:41:11,318 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:41:11,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:41:11,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1901048636, now seen corresponding path program 1 times [2020-09-25 07:41:11,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:41:11,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256193004] [2020-09-25 07:41:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:41:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:11,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 07:41:12,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 644 [2020-09-25 07:41:12,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:41:12,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 07:41:12,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:41:12,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,304 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:41:12,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:41:12,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 07:41:12,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:41:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:12,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:12,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:41:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:12,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:12,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:41:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:12,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:12,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:41:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:12,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:12,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:41:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:12,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:12,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:41:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:41:12,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:12,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:12,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:12,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:12,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:41:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 07:41:12,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 07:41:12,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:41:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 07:41:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:41:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:41:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 07:41:12,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 07:41:12,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:41:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 07:41:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:41:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:41:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 07:41:12,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 07:41:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:41:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 07:41:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:41:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:41:12,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:41:12,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 07:41:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:12,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:12,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 07:41:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 07:41:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:12,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:12,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 07:41:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:12,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:12,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:12,794 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 07:41:12,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256193004] [2020-09-25 07:41:12,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:41:12,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 07:41:12,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718560188] [2020-09-25 07:41:12,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 07:41:12,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:41:12,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 07:41:12,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 07:41:12,796 INFO L87 Difference]: Start difference. First operand 378 states and 408 transitions. Second operand 10 states.