/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:23:12,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:23:12,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:23:12,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:23:12,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:23:12,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:23:12,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:23:12,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:23:12,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:23:12,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:23:12,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:23:12,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:23:12,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:23:12,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:23:12,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:23:12,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:23:12,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:23:12,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:23:12,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:23:12,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:23:12,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:23:12,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:23:12,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:23:12,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:23:12,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:23:12,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:23:12,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:23:12,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:23:12,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:23:12,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:23:12,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:23:12,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:23:12,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:23:12,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:23:12,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:23:12,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:23:12,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:23:12,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:23:12,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:23:12,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:23:12,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:23:12,219 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 14:23:12,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:23:12,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:23:12,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:23:12,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:23:12,256 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:23:12,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:23:12,256 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:23:12,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:23:12,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:23:12,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:23:12,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:23:12,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:23:12,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:23:12,257 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:23:12,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:23:12,258 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:23:12,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:23:12,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:23:12,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:23:12,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:23:12,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:23:12,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:23:12,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:23:12,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:23:12,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:23:12,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:23:12,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:23:12,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:23:12,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:23:12,260 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:23:12,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:23:12,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:23:12,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:23:12,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:23:12,773 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:23:12,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-25 14:23:12,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e4754666/6f8f267aa106405daeacac937b2ef2be/FLAGda1367028 [2020-09-25 14:23:13,487 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:23:13,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-25 14:23:13,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e4754666/6f8f267aa106405daeacac937b2ef2be/FLAGda1367028 [2020-09-25 14:23:13,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e4754666/6f8f267aa106405daeacac937b2ef2be [2020-09-25 14:23:13,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:23:13,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:23:13,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:23:13,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:23:13,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:23:13,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:23:13" (1/1) ... [2020-09-25 14:23:13,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:13, skipping insertion in model container [2020-09-25 14:23:13,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:23:13" (1/1) ... [2020-09-25 14:23:13,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:23:13,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:23:14,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:23:14,317 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:23:14,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:23:14,470 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:23:14,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14 WrapperNode [2020-09-25 14:23:14,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:23:14,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:23:14,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:23:14,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:23:14,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (1/1) ... [2020-09-25 14:23:14,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (1/1) ... [2020-09-25 14:23:14,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (1/1) ... [2020-09-25 14:23:14,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (1/1) ... [2020-09-25 14:23:14,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (1/1) ... [2020-09-25 14:23:14,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (1/1) ... [2020-09-25 14:23:14,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (1/1) ... [2020-09-25 14:23:14,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:23:14,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:23:14,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:23:14,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:23:14,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (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 14:23:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:23:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:23:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:23:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:23:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:23:14,669 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:23:14,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:23:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:23:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:23:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:23:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:23:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:23:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:23:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:23:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:23:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:23:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:23:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:23:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:23:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 14:23:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:23:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:23:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:23:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:23:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:23:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:23:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:23:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:23:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:23:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:23:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:23:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:23:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:23:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:23:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:23:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:23:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:23:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:23:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:23:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:23:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:23:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:23:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:23:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:23:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:23:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:23:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:23:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:23:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:23:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:23:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:23:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:23:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:23:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:23:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:23:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:23:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:23:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:23:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:23:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:23:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:23:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:23:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 14:23:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:23:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:23:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:23:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:23:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:23:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:23:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:23:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:23:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:23:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:23:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:23:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:23:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:23:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:23:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:23:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:23:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:23:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:23:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:23:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:23:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:23:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:23:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:23:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:23:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:23:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:23:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:23:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:23:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:23:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:23:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:23:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:23:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:23:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:23:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:23:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:23:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:23:16,027 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:23:16,027 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:23:16,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:23:16 BoogieIcfgContainer [2020-09-25 14:23:16,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:23:16,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:23:16,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:23:16,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:23:16,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:23:13" (1/3) ... [2020-09-25 14:23:16,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2376dbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:23:16, skipping insertion in model container [2020-09-25 14:23:16,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:23:14" (2/3) ... [2020-09-25 14:23:16,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2376dbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:23:16, skipping insertion in model container [2020-09-25 14:23:16,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:23:16" (3/3) ... [2020-09-25 14:23:16,054 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-09-25 14:23:16,067 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:23:16,081 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:23:16,104 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:23:16,141 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:23:16,142 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:23:16,143 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:23:16,143 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:23:16,143 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:23:16,144 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:23:16,144 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:23:16,145 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:23:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 14:23:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 14:23:16,194 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:23:16,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:23:16,196 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:23:16,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:23:16,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1052921660, now seen corresponding path program 1 times [2020-09-25 14:23:16,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:23:16,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198063425] [2020-09-25 14:23:16,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:23:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:16,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:16,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:18,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:21,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:21,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 14:23:21,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:23:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 14:23:21,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:21,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:21,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:23:21,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 14:23:21,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-25 14:23:21,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 14:23:22,084 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:23:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:23:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:22,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:22,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:22,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:23:22,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:22,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-25 14:23:22,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:22,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 14:23:22,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:22,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:23:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:22,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:22,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:22,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:22,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:23:22,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:22,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:22,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:22,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:22,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:22,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:22,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:23:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:22,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:22,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:22,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:22,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:23:22,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:22,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:22,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:23:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:22,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:22,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:22,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:22,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:22,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:23:22,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:22,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:23:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:22,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:23:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:22,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:22,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:22,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:22,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:23:22,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:22,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:22,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:22,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:22,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:23:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:22,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:22,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:22,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:22,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:23:22,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:22,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:23:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:22,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:23:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:22,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:22,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:22,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:22,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:22,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:23:22,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:22,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:23:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:22,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:23:22,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198063425] [2020-09-25 14:23:22,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:23:22,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:23:22,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174317164] [2020-09-25 14:23:22,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:23:22,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:23:22,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:23:22,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:23:22,764 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 4 states. [2020-09-25 14:23:23,342 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:23:24,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:23:24,840 INFO L93 Difference]: Finished difference Result 570 states and 675 transitions. [2020-09-25 14:23:24,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:23:24,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 14:23:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:23:24,868 INFO L225 Difference]: With dead ends: 570 [2020-09-25 14:23:24,868 INFO L226 Difference]: Without dead ends: 345 [2020-09-25 14:23:24,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:23:24,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-25 14:23:25,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 299. [2020-09-25 14:23:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 14:23:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2020-09-25 14:23:25,064 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 142 [2020-09-25 14:23:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:23:25,066 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2020-09-25 14:23:25,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:23:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2020-09-25 14:23:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 14:23:25,080 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:23:25,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:23:25,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:23:25,082 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:23:25,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:23:25,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1152669890, now seen corresponding path program 1 times [2020-09-25 14:23:25,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:23:25,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47025148] [2020-09-25 14:23:25,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:23:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:25,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:25,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:25,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:26,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:29,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 14:23:30,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:23:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 14:23:30,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 14:23:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:23:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 14:23:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:30,534 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:23:30,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:23:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:30,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:23:30,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:30,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-25 14:23:30,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:23:30,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:30,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:23:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:30,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:30,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:30,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:23:30,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:30,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:30,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:30,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:23:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:30,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:30,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:30,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:23:30,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:30,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:23:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:30,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:30,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:23:30,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:30,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:30,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:23:30,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:30,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:23:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:30,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:30,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:30,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:23:30,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:30,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 14:23:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:30,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:23:30,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:23:30,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:23:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:30,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 14:23:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 14:23:30,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:23:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 14:23:30,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:30,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:30,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 14:23:30,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:30,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:30,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:30,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:30,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:23:30,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:23:30,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:23:30,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:30,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:23:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 14:23:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:23:30,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:31,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:31,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:31,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:31,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:23:31,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:31,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:23:31,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:31,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:31,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:23:31,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:23:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:23:31,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:31,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:31,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:31,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:31,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:31,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:23:31,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:31,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:31,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 14:23:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:31,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:31,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:31,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:31,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:23:31,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:31,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:23:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:23:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 14:23:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:31,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:31,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:31,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:31,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:31,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:31,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:23:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:23:31,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47025148] [2020-09-25 14:23:31,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:23:31,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 14:23:31,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862832604] [2020-09-25 14:23:31,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 14:23:31,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:23:31,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 14:23:31,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-25 14:23:31,292 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand 14 states. [2020-09-25 14:23:31,918 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:23:33,926 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:23:34,578 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 194 [2020-09-25 14:23:34,959 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:23:35,243 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:23:35,575 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:23:36,123 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:23:36,758 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 14:23:37,356 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-09-25 14:23:37,673 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:23:37,989 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:23:38,292 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:23:38,656 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:23:39,064 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:23:39,683 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:23:40,077 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:23:40,419 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-25 14:23:40,864 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:23:41,829 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 14:23:42,156 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-25 14:23:42,552 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:23:43,653 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:23:43,997 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 14:23:44,332 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:23:47,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:23:47,014 INFO L93 Difference]: Finished difference Result 1063 states and 1367 transitions. [2020-09-25 14:23:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-09-25 14:23:47,015 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 174 [2020-09-25 14:23:47,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:23:47,029 INFO L225 Difference]: With dead ends: 1063 [2020-09-25 14:23:47,029 INFO L226 Difference]: Without dead ends: 874 [2020-09-25 14:23:47,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=573, Invalid=2289, Unknown=0, NotChecked=0, Total=2862 [2020-09-25 14:23:47,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-09-25 14:23:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 664. [2020-09-25 14:23:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-09-25 14:23:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 774 transitions. [2020-09-25 14:23:47,195 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 774 transitions. Word has length 174 [2020-09-25 14:23:47,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:23:47,196 INFO L479 AbstractCegarLoop]: Abstraction has 664 states and 774 transitions. [2020-09-25 14:23:47,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 14:23:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 774 transitions. [2020-09-25 14:23:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-09-25 14:23:47,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:23:47,202 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:23:47,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:23:47,203 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:23:47,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:23:47,203 INFO L82 PathProgramCache]: Analyzing trace with hash -474534784, now seen corresponding path program 1 times [2020-09-25 14:23:47,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:23:47,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514273511] [2020-09-25 14:23:47,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:23:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:47,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:47,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:47,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:52,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:52,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 14:23:52,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:23:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 14:23:52,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:52,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-25 14:23:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:23:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-09-25 14:23:52,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:52,676 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:23:52,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:23:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:52,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:53,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:53,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:23:53,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-09-25 14:23:53,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:53,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:23:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:23:53,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:23:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:53,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:53,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:53,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:53,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:53,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:23:53,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:53,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:53,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:53,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:53,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:53,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:23:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:53,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:53,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:53,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:53,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:23:53,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:53,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:53,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:53,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:53,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:23:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:53,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:53,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:53,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:53,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:53,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:23:53,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:53,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:23:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:53,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:23:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:53,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:53,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:53,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:53,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:53,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:53,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:53,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 14:23:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:53,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:53,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:53,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:23:53,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:53,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:23:53,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:53,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:23:53,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:53,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 14:23:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:53,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-25 14:23:54,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:23:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1225 [2020-09-25 14:23:54,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-25 14:23:54,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:23:54,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:23:54,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 14:23:54,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:23:54,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:23:54,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:23:54,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 14:23:54,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 14:23:54,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:23:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 14:23:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:23:54,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 14:23:54,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 14:23:54,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:23:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 14:23:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:23:54,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:23:54,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 14:23:54,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:23:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:23:54,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:23:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:23:54,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:23:54,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:54,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:23:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:23:54,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:23:54,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:23:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:54,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:23:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:23:54,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:54,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:54,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:23:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:54,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:54,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:54,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:23:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:23:54,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:54,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:54,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 14:23:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:23:54,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:23:54,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:54,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:54,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:54,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:54,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 14:23:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:54,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:54,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:23:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:23:54,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:54,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:23:54,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 14:23:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:55,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:55,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:23:55,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:23:55,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:55,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:23:55,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:55,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 14:23:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:55,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:55,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:55,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 14:23:55,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:55,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 14:23:55,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:55,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 14:23:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 14:23:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 14:23:55,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:55,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:23:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:55,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:55,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:55,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:23:55,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:23:55,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:55,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 14:23:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:55,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 14:23:55,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:55,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:23:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:55,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:55,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:55,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:55,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:55,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:23:55,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:55,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:23:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:23:55,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:55,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-25 14:23:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:55,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:55,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:55,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:23:55,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:55,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:23:55,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:55,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:55,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:55,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:23:55,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:55,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-09-25 14:23:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:55,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:55,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:55,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:55,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:55,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:55,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:55,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:23:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:55,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:55,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 14:23:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:55,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:55,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:55,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:55,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:55,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:55,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:55,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:55,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:23:55,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:23:55,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:23:55,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-25 14:23:55,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514273511] [2020-09-25 14:23:55,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:23:55,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-25 14:23:55,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980855496] [2020-09-25 14:23:55,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-25 14:23:55,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:23:55,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-25 14:23:55,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2020-09-25 14:23:55,448 INFO L87 Difference]: Start difference. First operand 664 states and 774 transitions. Second operand 21 states. [2020-09-25 14:23:56,036 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:23:57,566 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:23:58,309 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:23:58,675 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:23:59,066 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:23:59,457 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:23:59,844 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:24:00,179 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:24:00,888 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:24:01,241 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:24:01,629 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:24:01,985 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:24:02,352 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:24:02,755 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:24:03,120 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:24:03,470 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188