/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:19:20,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:19:20,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:19:20,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:19:20,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:19:20,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:19:20,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:19:20,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:19:20,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:19:20,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:19:20,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:19:20,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:19:20,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:19:20,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:19:20,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:19:20,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:19:20,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:19:20,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:19:20,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:19:20,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:19:20,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:19:20,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:19:20,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:19:20,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:19:20,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:19:20,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:19:20,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:19:20,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:19:20,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:19:20,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:19:20,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:19:20,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:19:20,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:19:20,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:19:20,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:19:20,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:19:20,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:19:20,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:19:20,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:19:20,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:19:20,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:19:20,806 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 13:19:20,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:19:20,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:19:20,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:19:20,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:19:20,856 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:19:20,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:19:20,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:19:20,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:19:20,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:19:20,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:19:20,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:19:20,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:19:20,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:19:20,859 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:19:20,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:19:20,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:19:20,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:19:20,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:19:20,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:19:20,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:19:20,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:19:20,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:19:20,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:19:20,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:19:20,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:19:20,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:19:20,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:19:20,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:19:20,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:19:20,863 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:19:21,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:19:21,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:19:21,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:19:21,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:19:21,310 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:19:21,312 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-09-25 13:19:21,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1aacea119/e770be79fbaa45cf9816b51f7e672046/FLAG11881d4fb [2020-09-25 13:19:21,981 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:19:21,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-09-25 13:19:21,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1aacea119/e770be79fbaa45cf9816b51f7e672046/FLAG11881d4fb [2020-09-25 13:19:22,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1aacea119/e770be79fbaa45cf9816b51f7e672046 [2020-09-25 13:19:22,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:19:22,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:19:22,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:19:22,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:19:22,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:19:22,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:19:22" (1/1) ... [2020-09-25 13:19:22,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:22, skipping insertion in model container [2020-09-25 13:19:22,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:19:22" (1/1) ... [2020-09-25 13:19:22,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:19:22,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:19:22,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:19:22,806 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:19:23,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:19:23,060 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:19:23,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23 WrapperNode [2020-09-25 13:19:23,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:19:23,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:19:23,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:19:23,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:19:23,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (1/1) ... [2020-09-25 13:19:23,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (1/1) ... [2020-09-25 13:19:23,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (1/1) ... [2020-09-25 13:19:23,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (1/1) ... [2020-09-25 13:19:23,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (1/1) ... [2020-09-25 13:19:23,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (1/1) ... [2020-09-25 13:19:23,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (1/1) ... [2020-09-25 13:19:23,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:19:23,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:19:23,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:19:23,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:19:23,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (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 13:19:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:19:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:19:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:19:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:19:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:19:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:19:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:19:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:19:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:19:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:19:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:19:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:19:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:19:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:19:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:19:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:19:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:19:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:19:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:19:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:19:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:19:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:19:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:19:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:19:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:19:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:19:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:19:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:19:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:19:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:19:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:19:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:19:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:19:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:19:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:19:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:19:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:19:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:19:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:19:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:19:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:19:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:19:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:19:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:19:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:19:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:19:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:19:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:19:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:19:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:19:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:19:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:19:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:19:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:19:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:19:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:19:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:19:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:19:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:19:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:19:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:19:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:19:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:19:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:19:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:19:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:19:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:19:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:19:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:19:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:19:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:19:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:19:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:19:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:19:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:19:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:19:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:19:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:19:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:19:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:19:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:19:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:19:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:19:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:19:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:19:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:19:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:19:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:19:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:19:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:19:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:19:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:19:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:19:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:19:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:19:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:19:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:19:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:19:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:19:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:19:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:19:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:19:24,606 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:19:24,606 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:19:24,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:19:24 BoogieIcfgContainer [2020-09-25 13:19:24,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:19:24,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:19:24,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:19:24,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:19:24,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:19:22" (1/3) ... [2020-09-25 13:19:24,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3e64ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:19:24, skipping insertion in model container [2020-09-25 13:19:24,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:19:23" (2/3) ... [2020-09-25 13:19:24,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3e64ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:19:24, skipping insertion in model container [2020-09-25 13:19:24,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:19:24" (3/3) ... [2020-09-25 13:19:24,624 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2020-09-25 13:19:24,636 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:19:24,648 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:19:24,670 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:19:24,710 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:19:24,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:19:24,711 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:19:24,711 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:19:24,711 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:19:24,711 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:19:24,712 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:19:24,712 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:19:24,742 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states. [2020-09-25 13:19:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 13:19:24,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:19:24,765 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:19:24,765 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:19:24,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:19:24,774 INFO L82 PathProgramCache]: Analyzing trace with hash 442401887, now seen corresponding path program 1 times [2020-09-25 13:19:24,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:19:24,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617619228] [2020-09-25 13:19:24,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:19:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:25,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:25,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:26,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:26,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:28,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:30,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:30,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 13:19:30,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:19:30,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 13:19:30,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:30,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:19:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 13:19:30,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 13:19:30,752 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:19:30,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:30,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:19:31,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-25 13:19:31,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:19:31,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:31,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:19:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:31,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:19:31,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:31,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:31,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:31,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:19:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:31,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 13:19:31,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:31,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:19:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:31,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:19:31,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:19:31,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:31,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:19:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:31,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:19:31,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:31,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:19:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:31,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:19:31,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:31,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:31,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:19:31,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:31,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:19:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:19:31,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:19:31,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:31,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:19:31,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:19:31,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:31,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:31,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:31,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:19:31,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 13:19:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:31,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:31,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:19:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:31,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:31,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:19:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:31,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:31,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:31,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:31,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:19:31,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:31,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:19:31,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:31,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:19:31,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617619228] [2020-09-25 13:19:31,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:19:31,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:19:31,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055846225] [2020-09-25 13:19:31,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:19:31,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:19:31,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:19:31,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:19:31,492 INFO L87 Difference]: Start difference. First operand 359 states. Second operand 5 states. [2020-09-25 13:19:32,249 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:19:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:19:33,557 INFO L93 Difference]: Finished difference Result 579 states and 678 transitions. [2020-09-25 13:19:33,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:19:33,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-09-25 13:19:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:19:33,598 INFO L225 Difference]: With dead ends: 579 [2020-09-25 13:19:33,598 INFO L226 Difference]: Without dead ends: 356 [2020-09-25 13:19:33,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:19:33,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-09-25 13:19:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 308. [2020-09-25 13:19:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-09-25 13:19:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions. [2020-09-25 13:19:33,764 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 160 [2020-09-25 13:19:33,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:19:33,768 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 337 transitions. [2020-09-25 13:19:33,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:19:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions. [2020-09-25 13:19:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-25 13:19:33,783 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:19:33,784 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:19:33,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:19:33,784 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:19:33,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:19:33,785 INFO L82 PathProgramCache]: Analyzing trace with hash -2117137361, now seen corresponding path program 1 times [2020-09-25 13:19:33,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:19:33,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843428046] [2020-09-25 13:19:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:19:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:33,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:34,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:34,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:34,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:38,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:38,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:38,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:38,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-09-25 13:19:38,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:19:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5114 [2020-09-25 13:19:38,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:38,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:19:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:19:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-25 13:19:38,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,278 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:19:39,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:19:39,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-25 13:19:39,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:19:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:19:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:39,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:39,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:39,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:19:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:39,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:39,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:39,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:39,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:39,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:19:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:39,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:19:39,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:39,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:19:39,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:19:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:39,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:39,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:39,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:19:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:39,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:19:39,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:19:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:39,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:19:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:19:39,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:19:39,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:19:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:39,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:39,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:19:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 13:19:39,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:19:39,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 13:19:39,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:19:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:19:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 13:19:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:39,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:19:39,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:19:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:19:39,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 13:19:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:19:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:19:39,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:19:39,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:19:39,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:19:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:19:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:19:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:39,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:19:39,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 13:19:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:39,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:39,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:19:39,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:39,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:39,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 13:19:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:39,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:39,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:39,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:39,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:39,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:39,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:39,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:39,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:39,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:19:39,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:39,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:19:39,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843428046] [2020-09-25 13:19:39,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:19:39,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:19:39,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902238847] [2020-09-25 13:19:39,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:19:39,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:19:39,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:19:39,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:19:39,871 INFO L87 Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 7 states. [2020-09-25 13:19:40,428 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:19:42,505 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:19:43,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:19:43,714 INFO L93 Difference]: Finished difference Result 749 states and 889 transitions. [2020-09-25 13:19:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 13:19:43,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-09-25 13:19:43,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:19:43,721 INFO L225 Difference]: With dead ends: 749 [2020-09-25 13:19:43,721 INFO L226 Difference]: Without dead ends: 556 [2020-09-25 13:19:43,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 13:19:43,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-09-25 13:19:43,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 470. [2020-09-25 13:19:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-09-25 13:19:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 522 transitions. [2020-09-25 13:19:43,804 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 522 transitions. Word has length 188 [2020-09-25 13:19:43,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:19:43,804 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 522 transitions. [2020-09-25 13:19:43,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:19:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 522 transitions. [2020-09-25 13:19:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 13:19:43,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:19:43,808 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:19:43,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:19:43,809 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:19:43,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:19:43,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1253697381, now seen corresponding path program 1 times [2020-09-25 13:19:43,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:19:43,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294219114] [2020-09-25 13:19:43,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:19:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:44,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:44,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:46,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:46,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:48,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:48,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 13:19:48,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:19:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 13:19:48,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:48,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-25 13:19:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:19:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-09-25 13:19:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:49,185 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:19:49,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:19:49,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:49,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-25 13:19:49,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:19:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:49,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:19:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:49,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:49,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:49,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:19:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:49,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:49,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:49,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:19:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:49,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:19:49,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:19:49,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:49,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:19:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:49,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:49,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:49,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:49,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:19:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:49,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:49,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:19:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:49,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:19:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:19:49,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:19:49,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:19:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:49,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:49,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:49,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:19:49,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:49,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:19:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:49,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:19:49,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:19:49,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-09-25 13:19:49,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:49,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:19:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:19:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 13:19:49,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:49,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:49,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:49,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:50,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:50,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:19:50,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:19:50,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-25 13:19:50,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:50,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:19:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:19:50,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 13:19:50,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:50,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:50,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:50,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:19:50,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 13:19:50,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:50,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:19:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:19:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 13:19:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:50,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:50,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:50,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:50,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:19:50,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:50,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 13:19:50,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:50,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 13:19:50,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:19:50,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:19:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:50,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:50,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:50,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:19:50,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:50,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:19:50,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:50,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:50,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:19:50,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:19:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:50,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:50,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:50,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:50,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:50,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:19:50,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:50,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:50,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:50,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:19:50,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:19:50,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 13:19:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:50,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:50,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:50,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:50,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:50,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:19:50,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:50,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:19:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:19:50,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 13:19:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:50,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:50,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:50,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:50,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:50,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:19:50,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:50,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:50,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:19:50,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:50,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:19:50,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 13:19:50,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294219114] [2020-09-25 13:19:50,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:19:50,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:19:50,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45282448] [2020-09-25 13:19:50,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:19:50,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:19:50,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:19:50,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:19:50,355 INFO L87 Difference]: Start difference. First operand 470 states and 522 transitions. Second operand 11 states. [2020-09-25 13:19:51,133 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:19:52,078 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:19:52,695 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 13:19:54,147 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:19:54,480 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 13:19:54,833 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:19:55,338 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:19:55,610 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:19:55,899 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:19:57,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:19:57,057 INFO L93 Difference]: Finished difference Result 900 states and 1048 transitions. [2020-09-25 13:19:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 13:19:57,059 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2020-09-25 13:19:57,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:19:57,065 INFO L225 Difference]: With dead ends: 900 [2020-09-25 13:19:57,065 INFO L226 Difference]: Without dead ends: 545 [2020-09-25 13:19:57,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2020-09-25 13:19:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-09-25 13:19:57,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 469. [2020-09-25 13:19:57,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-09-25 13:19:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 519 transitions. [2020-09-25 13:19:57,133 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 519 transitions. Word has length 203 [2020-09-25 13:19:57,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:19:57,134 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 519 transitions. [2020-09-25 13:19:57,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:19:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 519 transitions. [2020-09-25 13:19:57,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-25 13:19:57,138 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:19:57,138 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:19:57,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:19:57,138 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:19:57,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:19:57,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1849080181, now seen corresponding path program 1 times [2020-09-25 13:19:57,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:19:57,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052409272] [2020-09-25 13:19:57,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:19:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:57,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 13:19:59,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:19:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2011 [2020-09-25 13:19:59,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:19:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 13:19:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:19:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,489 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:19:59,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:19:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 13:19:59,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:59,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:59,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:59,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:19:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:59,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:19:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:59,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:19:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:59,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:59,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:59,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:59,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:59,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:19:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:59,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:19:59,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:19:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:59,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:59,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:19:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:59,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:59,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:59,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:59,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:19:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:19:59,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:19:59,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:59,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:19:59,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:59,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:59,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:59,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:19:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:59,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:59,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:19:59,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 13:19:59,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:59,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:19:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 13:19:59,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:19:59,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:59,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 13:20:00,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 13:20:00,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:20:00,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 13:20:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:20:00,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:20:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 13:20:00,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 13:20:00,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:20:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 13:20:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:20:00,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:20:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:20:00,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 13:20:00,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:20:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:20:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:20:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:20:00,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:20:00,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:20:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 13:20:00,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:20:00,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 13:20:00,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:20:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:20:00,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:20:00,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:00,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:20:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:20:00,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:20:00,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:00,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 13:20:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:20:00,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:20:00,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:00,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 13:20:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:20:00,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:20:00,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:20:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:00,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:00,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 13:20:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:00,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:00,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:00,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:20:00,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:20:00,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:00,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:00,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:00,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:20:00,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:00,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:20:00,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052409272] [2020-09-25 13:20:00,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:20:00,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:20:00,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78742729] [2020-09-25 13:20:00,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:20:00,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:20:00,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:20:00,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:20:00,470 INFO L87 Difference]: Start difference. First operand 469 states and 519 transitions. Second operand 10 states. [2020-09-25 13:20:02,001 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:20:02,331 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:20:02,670 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:20:03,006 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:20:03,368 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:20:03,680 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:20:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:20:05,233 INFO L93 Difference]: Finished difference Result 903 states and 1058 transitions. [2020-09-25 13:20:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 13:20:05,234 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-09-25 13:20:05,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:20:05,239 INFO L225 Difference]: With dead ends: 903 [2020-09-25 13:20:05,239 INFO L226 Difference]: Without dead ends: 549 [2020-09-25 13:20:05,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 13:20:05,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-25 13:20:05,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 477. [2020-09-25 13:20:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-09-25 13:20:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 527 transitions. [2020-09-25 13:20:05,302 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 527 transitions. Word has length 226 [2020-09-25 13:20:05,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:20:05,303 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 527 transitions. [2020-09-25 13:20:05,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:20:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 527 transitions. [2020-09-25 13:20:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-25 13:20:05,306 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:20:05,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:20:05,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:20:05,307 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:20:05,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:20:05,308 INFO L82 PathProgramCache]: Analyzing trace with hash -691723819, now seen corresponding path program 1 times [2020-09-25 13:20:05,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:20:05,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77585578] [2020-09-25 13:20:05,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:20:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:05,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:05,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 13:20:07,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:20:07,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1664 [2020-09-25 13:20:07,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:20:07,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-25 13:20:07,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:20:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:07,286 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:20:07,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:20:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:20:07,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 13:20:07,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:20:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:20:07,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:20:07,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:07,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:20:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:20:07,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:20:07,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:07,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:20:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:20:07,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:20:07,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:07,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:20:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:20:07,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:20:07,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:07,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:20:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:20:07,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:20:07,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:20:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:20:07,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:20:07,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:07,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:20:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:20:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:20:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:20:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:20:07,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 13:20:07,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:20:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 13:20:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:20:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:20:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 13:20:07,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 13:20:07,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:20:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:20:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:20:07,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:20:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 13:20:07,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 13:20:07,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:20:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 13:20:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:20:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:20:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:20:07,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 13:20:07,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:20:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 13:20:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:20:07,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:20:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:20:07,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:20:07,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:20:07,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:20:07,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:20:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 13:20:07,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 13:20:07,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 13:20:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:20:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:20:07,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:20:07,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:20:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:20:07,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:20:07,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:20:07,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 13:20:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:20:07,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:20:07,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:07,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:07,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:07,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:20:07,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:07,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:20:07,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 13:20:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:07,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:07,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:07,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:20:07,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:20:08,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:08,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:20:08,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:08,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:08,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 13:20:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:20:08,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:20:08,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:20:08,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:20:08,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:20:08,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:20:08,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:20:08,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:20:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:20:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:20:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:20:08,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:20:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:20:08,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77585578] [2020-09-25 13:20:08,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:20:08,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:20:08,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927862131] [2020-09-25 13:20:08,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:20:08,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:20:08,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:20:08,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:20:08,064 INFO L87 Difference]: Start difference. First operand 477 states and 527 transitions. Second operand 9 states. [2020-09-25 13:20:09,365 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:20:09,682 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:20:09,999 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:20:10,326 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:20:10,640 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190