/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=0.2 --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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:02:25,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:02:25,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:02:25,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:02:25,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:02:25,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:02:25,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:02:25,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:02:25,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:02:25,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:02:25,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:02:25,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:02:25,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:02:25,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:02:25,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:02:25,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:02:25,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:02:25,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:02:25,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:02:25,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:02:25,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:02:25,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:02:25,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:02:25,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:02:25,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:02:25,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:02:25,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:02:25,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:02:25,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:02:25,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:02:25,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:02:25,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:02:25,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:02:25,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:02:25,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:02:25,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:02:25,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:02:25,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:02:25,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:02:25,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:02:25,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:02:25,483 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 11:02:25,531 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:02:25,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:02:25,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:02:25,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:02:25,534 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:02:25,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:02:25,534 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:02:25,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:02:25,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:02:25,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:02:25,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:02:25,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:02:25,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:02:25,537 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:02:25,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:02:25,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:02:25,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:02:25,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:02:25,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:02:25,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:02:25,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:02:25,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:02:25,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:02:25,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:02:25,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:02:25,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:02:25,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:02:25,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:02:25,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:02:25,540 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:02:26,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:02:26,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:02:26,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:02:26,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:02:26,034 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:02:26,035 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-09-25 11:02:26,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34dc64bf3/ad27d356e1604e5e875d1e1e2acfe81d/FLAG70b4df4a8 [2020-09-25 11:02:26,641 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:02:26,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-09-25 11:02:26,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34dc64bf3/ad27d356e1604e5e875d1e1e2acfe81d/FLAG70b4df4a8 [2020-09-25 11:02:26,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34dc64bf3/ad27d356e1604e5e875d1e1e2acfe81d [2020-09-25 11:02:26,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:02:26,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:02:26,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:26,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:02:26,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:02:26,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26, skipping insertion in model container [2020-09-25 11:02:26,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:02:27,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:02:27,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:27,539 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:02:27,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:27,702 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:02:27,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27 WrapperNode [2020-09-25 11:02:27,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:27,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:02:27,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:02:27,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:02:27,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (1/1) ... [2020-09-25 11:02:27,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (1/1) ... [2020-09-25 11:02:27,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (1/1) ... [2020-09-25 11:02:27,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (1/1) ... [2020-09-25 11:02:27,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (1/1) ... [2020-09-25 11:02:27,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (1/1) ... [2020-09-25 11:02:27,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (1/1) ... [2020-09-25 11:02:27,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:02:27,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:02:27,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:02:27,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:02:27,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (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 11:02:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:02:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:02:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:02:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:02:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:02:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:02:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:02:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:02:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:02:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:02:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:02:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:02:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:02:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:02:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:02:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:02:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:02:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:02:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:02:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:02:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:02:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:02:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:02:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:02:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:02:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:02:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:02:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:02:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:02:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:02:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:02:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:02:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:02:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:02:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:02:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:02:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:02:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:02:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:02:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:02:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:02:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:02:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:02:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:02:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:02:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:02:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:02:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:02:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:02:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:02:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:02:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:02:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:02:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:02:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:02:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:02:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:02:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:02:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:02:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:02:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:02:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:02:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:02:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:02:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:02:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:02:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:02:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:02:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:02:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:02:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:02:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:02:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:02:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:02:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:02:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:02:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:02:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:02:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:02:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:02:28,962 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:02:28,962 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:02:28,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:28 BoogieIcfgContainer [2020-09-25 11:02:28,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:02:28,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:02:28,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:02:28,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:02:28,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:02:26" (1/3) ... [2020-09-25 11:02:28,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cea7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:28, skipping insertion in model container [2020-09-25 11:02:28,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:27" (2/3) ... [2020-09-25 11:02:28,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cea7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:28, skipping insertion in model container [2020-09-25 11:02:28,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:28" (3/3) ... [2020-09-25 11:02:28,979 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-09-25 11:02:28,991 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:02:29,003 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:02:29,024 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:02:29,058 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:02:29,058 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:02:29,058 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:02:29,058 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:02:29,059 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:02:29,059 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:02:29,059 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:02:29,059 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:02:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-09-25 11:02:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:02:29,108 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:29,109 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 11:02:29,110 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:29,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:29,117 INFO L82 PathProgramCache]: Analyzing trace with hash -749536702, now seen corresponding path program 1 times [2020-09-25 11:02:29,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:29,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601007754] [2020-09-25 11:02:29,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:29,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:29,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:30,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:30,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:32,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 11:02:34,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 11:02:34,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:02:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:02:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 11:02:34,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 11:02:35,025 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:35,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:35,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 11:02:35,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:02:35,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:35,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:35,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:35,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:35,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:35,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:35,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:35,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:35,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:35,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:02:35,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:35,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:35,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:35,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:35,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:35,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:35,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:35,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:35,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:35,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 22 [2020-09-25 11:02:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:35,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:02:35,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:35,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:02:35,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:35,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:35,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:35,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:35,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:35,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 11:02:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:35,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:35,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:35,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:02:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:35,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:35,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:35,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:35,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:35,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:02:35,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:35,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:35,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:02:35,636 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 11:02:35,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601007754] [2020-09-25 11:02:35,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:35,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:02:35,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397465271] [2020-09-25 11:02:35,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:35,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:35,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:35,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:35,669 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 9 states. [2020-09-25 11:02:36,259 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:37,008 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:37,283 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:38,513 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:38,837 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:39,165 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:39,666 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:39,969 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:40,280 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:40,909 INFO L93 Difference]: Finished difference Result 602 states and 726 transitions. [2020-09-25 11:02:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:02:40,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 11:02:40,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:40,935 INFO L225 Difference]: With dead ends: 602 [2020-09-25 11:02:40,935 INFO L226 Difference]: Without dead ends: 407 [2020-09-25 11:02:40,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:02:40,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-09-25 11:02:41,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 361. [2020-09-25 11:02:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-09-25 11:02:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 404 transitions. [2020-09-25 11:02:41,078 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 404 transitions. Word has length 160 [2020-09-25 11:02:41,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:41,080 INFO L479 AbstractCegarLoop]: Abstraction has 361 states and 404 transitions. [2020-09-25 11:02:41,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:02:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 404 transitions. [2020-09-25 11:02:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 11:02:41,085 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:41,086 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:41,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:02:41,086 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:41,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:41,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1457970825, now seen corresponding path program 1 times [2020-09-25 11:02:41,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:41,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819891245] [2020-09-25 11:02:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:41,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 11:02:43,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:02:43,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2103 [2020-09-25 11:02:43,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:43,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 11:02:43,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:43,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,636 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:43,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 11:02:43,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:43,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:43,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:43,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:43,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:02:43,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:43,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:43,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:02:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:43,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:43,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:02:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:02:43,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 11:02:43,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:43,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 11:02:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:43,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:44,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:44,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:44,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 11:02:44,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:44,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:02:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:44,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:44,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:44,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:44,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:44,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:44,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 11:02:44,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:44,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:44,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:44,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:02:44,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:44,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:44,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:44,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:44,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:44,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:44,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:44,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:44,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:44,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:44,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:44,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:44,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:44,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:44,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:44,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:44,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:02:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:44,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 11:02:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:44,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:44,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:44,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:44,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:44,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:44,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:44,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:44,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:44,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 11:02:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:44,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:44,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:44,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:44,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:44,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:44,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:44,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:44,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:44,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:44,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:44,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:44,275 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 11:02:44,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819891245] [2020-09-25 11:02:44,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:44,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:02:44,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223398999] [2020-09-25 11:02:44,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:02:44,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:44,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:02:44,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:02:44,279 INFO L87 Difference]: Start difference. First operand 361 states and 404 transitions. Second operand 10 states. [2020-09-25 11:02:45,704 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:46,049 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:46,346 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:02:46,648 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:46,962 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:47,245 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:48,087 INFO L93 Difference]: Finished difference Result 697 states and 837 transitions. [2020-09-25 11:02:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:02:48,088 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-25 11:02:48,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:48,097 INFO L225 Difference]: With dead ends: 697 [2020-09-25 11:02:48,097 INFO L226 Difference]: Without dead ends: 451 [2020-09-25 11:02:48,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:02:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-09-25 11:02:48,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 375. [2020-09-25 11:02:48,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-25 11:02:48,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 424 transitions. [2020-09-25 11:02:48,157 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 424 transitions. Word has length 199 [2020-09-25 11:02:48,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:48,158 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 424 transitions. [2020-09-25 11:02:48,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:02:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 424 transitions. [2020-09-25 11:02:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 11:02:48,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:48,162 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:48,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:02:48,162 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:48,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:48,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1630521046, now seen corresponding path program 1 times [2020-09-25 11:02:48,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:48,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66733224] [2020-09-25 11:02:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:48,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:48,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:48,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 11:02:48,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:48,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-09-25 11:02:48,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:48,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 11:02:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:49,223 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:49,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:49,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 11:02:49,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:49,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:49,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:02:49,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:49,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:49,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:49,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:49,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:02:49,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:49,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:49,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:49,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:02:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:49,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:49,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:02:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:02:49,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 11:02:49,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:49,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 11:02:49,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:49,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:49,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 11:02:49,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:02:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:49,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 11:02:49,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:02:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:49,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:49,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:02:49,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:02:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:49,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:02:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 11:02:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:49,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 11:02:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:49,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:49,704 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 11:02:49,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66733224] [2020-09-25 11:02:49,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:49,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:02:49,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251679851] [2020-09-25 11:02:49,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:49,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:49,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:49,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:49,708 INFO L87 Difference]: Start difference. First operand 375 states and 424 transitions. Second operand 9 states. [2020-09-25 11:02:51,058 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:51,352 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:51,675 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:52,037 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:52,326 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:53,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:53,116 INFO L93 Difference]: Finished difference Result 722 states and 884 transitions. [2020-09-25 11:02:53,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:02:53,117 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2020-09-25 11:02:53,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:53,122 INFO L225 Difference]: With dead ends: 722 [2020-09-25 11:02:53,122 INFO L226 Difference]: Without dead ends: 462 [2020-09-25 11:02:53,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:02:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-09-25 11:02:53,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 381. [2020-09-25 11:02:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-25 11:02:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 430 transitions. [2020-09-25 11:02:53,177 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 430 transitions. Word has length 208 [2020-09-25 11:02:53,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:53,178 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 430 transitions. [2020-09-25 11:02:53,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:02:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 430 transitions. [2020-09-25 11:02:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 11:02:53,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:53,182 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:53,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:02:53,182 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:53,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:53,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1538680755, now seen corresponding path program 1 times [2020-09-25 11:02:53,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:53,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878122992] [2020-09-25 11:02:53,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:56,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:58,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-09-25 11:02:58,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:58,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 11:02:58,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:58,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 11:02:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 11:02:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-09-25 11:02:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:58,538 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:58,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:58,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:58,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:58,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-25 11:02:58,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:58,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 11:02:58,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:58,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:58,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:58,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:58,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:02:58,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:58,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:58,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:58,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:58,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:58,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:58,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:58,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:58,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:58,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:58,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:58,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:58,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:58,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:58,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:02:58,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:58,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:58,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:58,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:58,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:58,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:58,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:58,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:58,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:58,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:58,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:58,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:02:58,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:58,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:58,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:02:59,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 11:02:59,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:02:59,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 11:02:59,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:02:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:02:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 11:02:59,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:59,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:02:59,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:59,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:02:59,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:59,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:59,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:59,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:02:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:02:59,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:02:59,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:59,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:02:59,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:59,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:59,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:59,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:02:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:59,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:59,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:59,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:02:59,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:59,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:59,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:59,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:02:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:02:59,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 11:02:59,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:02:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 11:02:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:59,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 11:02:59,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:02:59,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:59,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:02:59,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:59,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:59,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:59,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:59,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:02:59,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:59,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:59,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:59,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 11:02:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:59,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:59,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:59,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 11:02:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:59,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:59,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:59,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:59,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:59,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:59,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 11:02:59,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878122992] [2020-09-25 11:02:59,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:02:59,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 11:02:59,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220890921] [2020-09-25 11:02:59,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:59,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:59,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:59,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:59,529 INFO L87 Difference]: Start difference. First operand 381 states and 430 transitions. Second operand 9 states. [2020-09-25 11:03:00,017 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:01,432 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:03,881 INFO L93 Difference]: Finished difference Result 1256 states and 1690 transitions. [2020-09-25 11:03:03,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 11:03:03,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 235 [2020-09-25 11:03:03,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:03,895 INFO L225 Difference]: With dead ends: 1256 [2020-09-25 11:03:03,895 INFO L226 Difference]: Without dead ends: 959 [2020-09-25 11:03:03,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-25 11:03:03,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-09-25 11:03:04,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 773. [2020-09-25 11:03:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2020-09-25 11:03:04,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 942 transitions. [2020-09-25 11:03:04,032 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 942 transitions. Word has length 235 [2020-09-25 11:03:04,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:04,033 INFO L479 AbstractCegarLoop]: Abstraction has 773 states and 942 transitions. [2020-09-25 11:03:04,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:03:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 942 transitions. [2020-09-25 11:03:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 11:03:04,039 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:04,039 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 11:03:04,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:03:04,040 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:04,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:04,040 INFO L82 PathProgramCache]: Analyzing trace with hash 920694429, now seen corresponding path program 1 times [2020-09-25 11:03:04,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:04,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793231366] [2020-09-25 11:03:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:06,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:09,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:09,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-09-25 11:03:09,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 11:03:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 11:03:09,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:09,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-25 11:03:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 11:03:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-09-25 11:03:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:09,551 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:09,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:09,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:09,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:09,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:09,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:09,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 11:03:09,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:09,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:09,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:09,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 11:03:09,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:09,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:09,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:09,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:09,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:09,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:09,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:09,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:09,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:09,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:09,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:09,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:09,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:09,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:09,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:09,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:09,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:09,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:09,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:09,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:09,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:09,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:09,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:09,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:09,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:09,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:09,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:09,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:09,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:09,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:09,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:09,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:09,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:09,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:09,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:09,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:09,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:09,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:09,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:09,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:09,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:09,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:09,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:09,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:09,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:03:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:03:10,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:03:10,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:03:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:10,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 11:03:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 11:03:10,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:10,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 11:03:10,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:03:10,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:03:10,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 11:03:10,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:10,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:03:10,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:10,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:10,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:10,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:10,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:03:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:03:10,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:03:10,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:03:10,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:10,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:10,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 11:03:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:10,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:10,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:10,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:10,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 11:03:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:10,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 11:03:10,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 11:03:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:10,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:03:10,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:10,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:10,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:10,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:10,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:10,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:10,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 11:03:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:03:10,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:10,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-25 11:03:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:10,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:10,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:10,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:10,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:10,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:10,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:10,724 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 11:03:10,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793231366] [2020-09-25 11:03:10,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:03:10,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-25 11:03:10,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622824454] [2020-09-25 11:03:10,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 11:03:10,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:10,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 11:03:10,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 11:03:10,728 INFO L87 Difference]: Start difference. First operand 773 states and 942 transitions. Second operand 14 states. [2020-09-25 11:03:11,324 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:12,200 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:13,015 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:13,342 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:13,782 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:14,111 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:14,454 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:14,790 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:15,183 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 11:03:15,504 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194