/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=0.6 --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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:32:00,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:32:00,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:32:00,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:32:00,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:32:00,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:32:00,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:32:00,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:32:00,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:32:00,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:32:00,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:32:00,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:32:00,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:32:00,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:32:00,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:32:00,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:32:00,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:32:00,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:32:00,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:32:00,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:32:00,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:32:00,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:32:00,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:32:00,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:32:00,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:32:00,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:32:00,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:32:00,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:32:00,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:32:00,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:32:00,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:32:00,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:32:00,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:32:00,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:32:00,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:32:00,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:32:00,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:32:00,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:32:00,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:32:00,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:32:00,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:32:00,253 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 06:32:00,279 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:32:00,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:32:00,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:32:00,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:32:00,281 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:32:00,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:32:00,282 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:32:00,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:32:00,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:32:00,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:32:00,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:32:00,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:32:00,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:32:00,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:32:00,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:32:00,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:32:00,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:32:00,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:32:00,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:32:00,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:32:00,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:32:00,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:32:00,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:32:00,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:32:00,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:32:00,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:32:00,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:32:00,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:32:00,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:32:00,287 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 06:32:00,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:32:00,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:32:00,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:32:00,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:32:00,783 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:32:00,784 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-09-25 06:32:00,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5c4b078/322fdc0021ba4c10a5282fdf9034afd2/FLAGede6e03ed [2020-09-25 06:32:01,503 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:32:01,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-09-25 06:32:01,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5c4b078/322fdc0021ba4c10a5282fdf9034afd2/FLAGede6e03ed [2020-09-25 06:32:01,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5c4b078/322fdc0021ba4c10a5282fdf9034afd2 [2020-09-25 06:32:01,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:32:01,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:32:01,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:32:01,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:32:01,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:32:01,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:32:01" (1/1) ... [2020-09-25 06:32:01,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01, skipping insertion in model container [2020-09-25 06:32:01,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:32:01" (1/1) ... [2020-09-25 06:32:01,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:32:01,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:32:02,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:32:02,321 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:32:02,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:32:02,460 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:32:02,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02 WrapperNode [2020-09-25 06:32:02,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:32:02,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:32:02,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:32:02,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:32:02,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (1/1) ... [2020-09-25 06:32:02,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (1/1) ... [2020-09-25 06:32:02,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (1/1) ... [2020-09-25 06:32:02,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (1/1) ... [2020-09-25 06:32:02,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (1/1) ... [2020-09-25 06:32:02,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (1/1) ... [2020-09-25 06:32:02,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (1/1) ... [2020-09-25 06:32:02,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:32:02,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:32:02,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:32:02,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:32:02,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (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 06:32:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:32:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:32:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:32:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:32:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:32:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:32:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 06:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:32:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:32:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:32:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:32:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:32:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:32:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:32:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:32:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:32:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:32:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:32:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:32:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:32:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:32:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 06:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 06:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:32:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:32:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:32:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:32:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:32:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:32:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:32:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:32:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:32:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:32:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 06:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:32:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:32:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:32:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:32:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:32:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:32:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:32:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:32:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:32:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 06:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 06:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:32:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:32:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:32:03,870 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:32:03,870 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:32:03,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:03 BoogieIcfgContainer [2020-09-25 06:32:03,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:32:03,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:32:03,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:32:03,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:32:03,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:32:01" (1/3) ... [2020-09-25 06:32:03,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1101cf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:03, skipping insertion in model container [2020-09-25 06:32:03,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:02" (2/3) ... [2020-09-25 06:32:03,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1101cf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:03, skipping insertion in model container [2020-09-25 06:32:03,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:03" (3/3) ... [2020-09-25 06:32:03,888 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-09-25 06:32:03,901 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:32:03,912 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:32:03,937 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:32:03,975 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:32:03,975 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:32:03,975 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:32:03,976 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:32:03,976 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:32:03,976 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:32:03,976 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:32:03,976 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:32:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states. [2020-09-25 06:32:04,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 06:32:04,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:04,024 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 06:32:04,024 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:04,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:04,032 INFO L82 PathProgramCache]: Analyzing trace with hash 797820518, now seen corresponding path program 1 times [2020-09-25 06:32:04,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:04,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48095335] [2020-09-25 06:32:04,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:04,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:04,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:09,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:09,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 06:32:09,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:32:09,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 06:32:09,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:09,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:09,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 06:32:09,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:09,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 06:32:09,961 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:09,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:10,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 06:32:10,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:10,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:10,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:10,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:32:10,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:10,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:32:10,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:10,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:10,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:10,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:10,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:32:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:10,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:32:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:10,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:32:10,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:32:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 06:32:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:10,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:10,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:32:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:10,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:10,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:10,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:10,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:10,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:10,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:10,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:10,384 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 06:32:10,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48095335] [2020-09-25 06:32:10,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:10,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:32:10,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754930783] [2020-09-25 06:32:10,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:32:10,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:10,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:32:10,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:32:10,425 INFO L87 Difference]: Start difference. First operand 351 states. Second operand 4 states. [2020-09-25 06:32:11,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:11,868 INFO L93 Difference]: Finished difference Result 563 states and 653 transitions. [2020-09-25 06:32:11,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:32:11,871 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 06:32:11,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:11,896 INFO L225 Difference]: With dead ends: 563 [2020-09-25 06:32:11,896 INFO L226 Difference]: Without dead ends: 348 [2020-09-25 06:32:11,905 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 06:32:11,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-25 06:32:12,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 300. [2020-09-25 06:32:12,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-09-25 06:32:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 325 transitions. [2020-09-25 06:32:12,043 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 325 transitions. Word has length 160 [2020-09-25 06:32:12,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:12,044 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 325 transitions. [2020-09-25 06:32:12,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:32:12,044 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 325 transitions. [2020-09-25 06:32:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:32:12,048 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:12,049 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 06:32:12,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:32:12,049 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:12,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1390258068, now seen corresponding path program 1 times [2020-09-25 06:32:12,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:12,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579802903] [2020-09-25 06:32:12,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:12,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:12,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:13,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:15,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 06:32:17,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:32:17,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-25 06:32:17,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 06:32:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:32:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,507 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:17,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 06:32:17,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:17,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:17,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:17,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:17,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:17,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:17,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:17,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:17,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:17,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:17,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:17,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:17,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:32:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:17,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:17,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:32:17,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:17,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:17,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:17,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 06:32:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:17,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:17,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:32:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:17,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:17,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:17,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:17,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:17,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:17,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:17,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:17,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:17,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:17,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:17,754 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 06:32:17,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579802903] [2020-09-25 06:32:17,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:17,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:32:17,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977542906] [2020-09-25 06:32:17,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:32:17,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:17,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:32:17,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:32:17,760 INFO L87 Difference]: Start difference. First operand 300 states and 325 transitions. Second operand 5 states. [2020-09-25 06:32:18,443 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:32:19,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:19,646 INFO L93 Difference]: Finished difference Result 488 states and 545 transitions. [2020-09-25 06:32:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:32:19,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 06:32:19,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:19,651 INFO L225 Difference]: With dead ends: 488 [2020-09-25 06:32:19,652 INFO L226 Difference]: Without dead ends: 337 [2020-09-25 06:32:19,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:32:19,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-09-25 06:32:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 290. [2020-09-25 06:32:19,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 06:32:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 312 transitions. [2020-09-25 06:32:19,698 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 312 transitions. Word has length 161 [2020-09-25 06:32:19,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:19,699 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 312 transitions. [2020-09-25 06:32:19,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:32:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 312 transitions. [2020-09-25 06:32:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 06:32:19,701 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:19,701 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 06:32:19,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:32:19,702 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:19,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:19,702 INFO L82 PathProgramCache]: Analyzing trace with hash -678353695, now seen corresponding path program 1 times [2020-09-25 06:32:19,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:19,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089902327] [2020-09-25 06:32:19,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:19,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:20,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:20,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:22,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:24,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:24,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 06:32:24,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:32:24,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 06:32:24,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:24,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:24,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:24,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 06:32:24,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 06:32:24,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:25,074 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:25,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 06:32:25,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:25,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:25,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:25,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:25,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:25,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:25,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:25,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:25,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:25,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:25,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:25,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:25,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:25,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:25,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:25,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:25,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 06:32:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:25,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:25,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:25,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:32:25,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:25,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:32:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:25,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:32:25,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:32:25,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:25,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:25,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:25,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:25,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 06:32:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:25,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:25,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 06:32:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:25,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:25,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:25,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:25,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:25,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:25,338 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 06:32:25,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089902327] [2020-09-25 06:32:25,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:25,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:32:25,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640087743] [2020-09-25 06:32:25,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:32:25,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:25,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:32:25,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:32:25,341 INFO L87 Difference]: Start difference. First operand 290 states and 312 transitions. Second operand 6 states. [2020-09-25 06:32:25,800 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:32:27,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:27,020 INFO L93 Difference]: Finished difference Result 535 states and 610 transitions. [2020-09-25 06:32:27,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 06:32:27,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 06:32:27,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:27,027 INFO L225 Difference]: With dead ends: 535 [2020-09-25 06:32:27,028 INFO L226 Difference]: Without dead ends: 360 [2020-09-25 06:32:27,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:32:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-25 06:32:27,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 290. [2020-09-25 06:32:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 06:32:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 311 transitions. [2020-09-25 06:32:27,087 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 311 transitions. Word has length 174 [2020-09-25 06:32:27,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:27,088 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 311 transitions. [2020-09-25 06:32:27,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:32:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 311 transitions. [2020-09-25 06:32:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-25 06:32:27,091 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:27,091 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] [2020-09-25 06:32:27,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:32:27,091 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:27,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:27,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1021606715, now seen corresponding path program 1 times [2020-09-25 06:32:27,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:27,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223999731] [2020-09-25 06:32:27,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:27,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:27,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:27,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:29,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-25 06:32:32,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 06:32:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 06:32:32,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 06:32:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:32:32,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,525 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:32,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:32,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 06:32:32,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:32,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:32,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:32,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:32,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:32,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:32,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:32,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:32,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:32,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:32,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 06:32:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:32,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:32,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:32:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:32,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:32,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:32,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:32,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:32:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 06:32:32,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:32:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:32:32,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:32:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 06:32:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:32:32,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:32:32,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:32:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:32:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 06:32:32,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:32,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:32:32,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:32,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:32,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:32:32,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 06:32:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:32,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:32,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:32,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 06:32:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:32,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:32,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:32,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:32,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:32,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:32,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:32,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:33,052 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 06:32:33,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223999731] [2020-09-25 06:32:33,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:33,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:32:33,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036071452] [2020-09-25 06:32:33,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:32:33,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:33,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:32:33,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:32:33,056 INFO L87 Difference]: Start difference. First operand 290 states and 311 transitions. Second operand 9 states. [2020-09-25 06:32:33,598 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:32:35,702 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:32:36,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:36,642 INFO L93 Difference]: Finished difference Result 724 states and 855 transitions. [2020-09-25 06:32:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 06:32:36,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2020-09-25 06:32:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:36,650 INFO L225 Difference]: With dead ends: 724 [2020-09-25 06:32:36,650 INFO L226 Difference]: Without dead ends: 549 [2020-09-25 06:32:36,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2020-09-25 06:32:36,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-25 06:32:36,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 411. [2020-09-25 06:32:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-25 06:32:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 444 transitions. [2020-09-25 06:32:36,714 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 444 transitions. Word has length 187 [2020-09-25 06:32:36,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:36,715 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 444 transitions. [2020-09-25 06:32:36,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:32:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 444 transitions. [2020-09-25 06:32:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 06:32:36,718 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:36,718 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:32:36,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:32:36,719 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:36,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:36,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1622480709, now seen corresponding path program 1 times [2020-09-25 06:32:36,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:36,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643536169] [2020-09-25 06:32:36,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:36,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:36,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:37,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:41,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:41,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:41,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 06:32:41,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:32:41,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 06:32:41,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:41,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:32:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 06:32:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 06:32:41,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:42,134 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:42,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:42,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 06:32:42,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:42,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:42,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:42,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:42,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:42,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:42,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:42,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:42,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:42,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:42,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:42,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:42,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:42,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 06:32:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:42,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:42,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:32:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:42,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:42,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:42,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:42,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:32:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 06:32:42,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:32:42,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 06:32:42,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:32:42,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:42,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 06:32:42,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:32:42,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:42,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:32:42,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:32:42,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:32:42,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 06:32:42,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:32:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:32:42,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:42,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:42,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:42,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:32:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:42,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:42,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:32:42,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:42,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 06:32:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:42,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:42,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:32:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:42,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 06:32:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:42,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:42,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:42,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:42,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:42,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:32:42,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:42,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:32:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:32:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:42,568 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 06:32:42,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643536169] [2020-09-25 06:32:42,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:42,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 06:32:42,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313864998] [2020-09-25 06:32:42,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 06:32:42,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:42,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 06:32:42,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:32:42,570 INFO L87 Difference]: Start difference. First operand 411 states and 444 transitions. Second operand 11 states. [2020-09-25 06:32:43,122 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:32:44,083 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:32:44,395 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:32:45,626 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:32:45,915 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:32:46,277 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:32:46,855 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:32:47,199 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 06:32:47,526 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 06:32:48,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:48,169 INFO L93 Difference]: Finished difference Result 844 states and 984 transitions. [2020-09-25 06:32:48,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 06:32:48,170 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-25 06:32:48,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:48,174 INFO L225 Difference]: With dead ends: 844 [2020-09-25 06:32:48,174 INFO L226 Difference]: Without dead ends: 548 [2020-09-25 06:32:48,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-25 06:32:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-25 06:32:48,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-09-25 06:32:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-25 06:32:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 441 transitions. [2020-09-25 06:32:48,240 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 441 transitions. Word has length 211 [2020-09-25 06:32:48,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:48,240 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 441 transitions. [2020-09-25 06:32:48,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 06:32:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 441 transitions. [2020-09-25 06:32:48,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 06:32:48,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:48,244 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:32:48,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:32:48,245 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:48,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:48,245 INFO L82 PathProgramCache]: Analyzing trace with hash 258575659, now seen corresponding path program 1 times [2020-09-25 06:32:48,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:48,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277802724] [2020-09-25 06:32:48,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:48,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-25 06:32:49,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-09-25 06:32:49,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-25 06:32:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:32:49,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,358 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:49,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:49,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 06:32:49,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:49,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:49,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:49,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:49,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:49,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:49,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:49,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:49,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:49,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:49,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:49,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:49,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 06:32:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:49,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:49,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:32:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:49,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:49,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:49,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:49,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:32:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 06:32:49,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 06:32:49,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 06:32:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:32:49,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 06:32:49,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 06:32:49,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 06:32:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:32:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:32:49,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 06:32:49,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:32:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 06:32:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:49,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:32:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:32:49,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:49,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:32:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 06:32:49,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:32:49,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 06:32:49,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:49,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:32:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 06:32:49,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:49,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:49,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:32:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:49,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:49,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:49,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:49,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 06:32:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:49,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:49,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:49,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:49,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2