/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_spec1_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:50:54,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:50:54,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:50:54,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:50:54,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:50:54,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:50:54,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:50:54,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:50:54,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:50:54,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:50:54,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:50:54,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:50:54,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:50:54,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:50:54,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:50:54,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:50:54,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:50:54,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:50:54,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:50:54,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:50:54,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:50:54,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:50:54,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:50:54,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:50:54,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:50:54,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:50:54,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:50:54,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:50:54,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:50:54,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:50:54,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:50:54,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:50:54,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:50:54,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:50:54,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:50:54,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:50:54,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:50:54,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:50:54,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:50:54,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:50:54,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:50:54,570 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 10:50:54,597 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:50:54,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:50:54,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:50:54,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:50:54,599 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:50:54,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:50:54,600 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:50:54,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:50:54,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:50:54,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:50:54,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:50:54,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:50:54,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:50:54,601 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:50:54,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:50:54,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:50:54,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:50:54,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:50:54,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:50:54,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:50:54,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:50:54,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:50:54,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:50:54,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:50:54,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:50:54,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:50:54,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:50:54,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:50:54,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:50:54,604 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 10:50:55,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:50:55,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:50:55,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:50:55,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:50:55,115 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:50:55,117 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-09-25 10:50:55,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20f0fa297/1cd46e5a8e3b4fe6927b7a2d4cd39712/FLAG2dd7408b3 [2020-09-25 10:50:55,895 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:50:55,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-09-25 10:50:55,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20f0fa297/1cd46e5a8e3b4fe6927b7a2d4cd39712/FLAG2dd7408b3 [2020-09-25 10:50:56,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20f0fa297/1cd46e5a8e3b4fe6927b7a2d4cd39712 [2020-09-25 10:50:56,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:50:56,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:50:56,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:50:56,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:50:56,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:50:56,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56, skipping insertion in model container [2020-09-25 10:50:56,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:50:56,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:50:56,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:50:56,745 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:50:56,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:50:56,881 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:50:56,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56 WrapperNode [2020-09-25 10:50:56,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:50:56,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:50:56,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:50:56,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:50:56,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (1/1) ... [2020-09-25 10:50:56,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:50:56,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:50:56,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:50:56,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:50:56,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (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 10:50:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:50:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:50:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:50:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:50:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:50:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:50:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:50:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:50:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:50:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:50:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:50:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:50:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:50:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:50:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:50:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 10:50:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:50:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:50:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:50:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:50:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 10:50:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:50:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:50:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:50:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:50:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:50:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 10:50:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 10:50:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:50:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 10:50:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:50:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:50:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:50:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:50:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:50:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:50:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:50:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:50:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:50:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:50:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:50:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:50:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:50:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:50:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:50:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:50:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:50:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:50:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:50:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:50:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:50:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:50:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:50:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:50:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:50:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:50:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:50:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:50:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:50:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:50:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:50:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:50:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:50:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:50:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:50:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 10:50:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 10:50:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:50:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:50:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:50:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:50:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:50:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:50:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:50:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 10:50:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:50:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:50:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 10:50:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 10:50:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:50:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:50:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:50:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:50:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:50:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:50:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:50:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:50:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:50:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:50:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:50:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:50:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:50:58,288 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:50:58,288 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:50:58,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:50:58 BoogieIcfgContainer [2020-09-25 10:50:58,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:50:58,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:50:58,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:50:58,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:50:58,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:50:56" (1/3) ... [2020-09-25 10:50:58,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7806e21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:50:58, skipping insertion in model container [2020-09-25 10:50:58,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:56" (2/3) ... [2020-09-25 10:50:58,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7806e21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:50:58, skipping insertion in model container [2020-09-25 10:50:58,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:50:58" (3/3) ... [2020-09-25 10:50:58,306 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42.cil.c [2020-09-25 10:50:58,318 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:50:58,330 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:50:58,354 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:50:58,390 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:50:58,390 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:50:58,390 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:50:58,391 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:50:58,391 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:50:58,391 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:50:58,391 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:50:58,391 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:50:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states. [2020-09-25 10:50:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 10:50:58,440 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:50:58,441 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:50:58,442 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:50:58,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:50:58,451 INFO L82 PathProgramCache]: Analyzing trace with hash -2111431698, now seen corresponding path program 1 times [2020-09-25 10:50:58,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:50:58,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566438413] [2020-09-25 10:50:58,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:50:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:50:58,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:50:59,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:00,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:01,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:03,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:03,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 10:51:03,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:51:03,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 10:51:03,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:03,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:51:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 10:51:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 10:51:03,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 10:51:04,410 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:51:04,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:51:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:04,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:04,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:51:04,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:04,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-09-25 10:51:04,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:04,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 10:51:04,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:04,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:51:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:04,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:04,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:04,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:04,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:04,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:04,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:04,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:04,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:04,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:51:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:04,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:04,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:04,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:04,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:04,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:51:04,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:04,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:04,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:04,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:51:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:04,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:04,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:04,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:04,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:04,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:51:04,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:04,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:04,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:04,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:51:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:04,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:04,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:04,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:04,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:04,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:04,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:04,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:04,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:04,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:04,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:04,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:04,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:51:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:04,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:04,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:04,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:04,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:04,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 10:51:04,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:04,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:04,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:51:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:04,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:04,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 10:51:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:04,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:04,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:04,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:04,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:04,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:04,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:51:05,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566438413] [2020-09-25 10:51:05,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:51:05,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:51:05,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054901263] [2020-09-25 10:51:05,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:51:05,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:51:05,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:51:05,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:51:05,062 INFO L87 Difference]: Start difference. First operand 299 states. Second operand 8 states. [2020-09-25 10:51:05,720 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:51:06,735 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:51:07,150 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:51:07,544 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:07,951 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:08,280 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:09,056 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:09,430 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:09,941 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:51:11,316 INFO L93 Difference]: Finished difference Result 622 states and 755 transitions. [2020-09-25 10:51:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 10:51:11,320 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 10:51:11,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:51:11,344 INFO L225 Difference]: With dead ends: 622 [2020-09-25 10:51:11,345 INFO L226 Difference]: Without dead ends: 417 [2020-09-25 10:51:11,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 10:51:11,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-09-25 10:51:11,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 361. [2020-09-25 10:51:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-09-25 10:51:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 397 transitions. [2020-09-25 10:51:11,506 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 397 transitions. Word has length 142 [2020-09-25 10:51:11,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:51:11,507 INFO L479 AbstractCegarLoop]: Abstraction has 361 states and 397 transitions. [2020-09-25 10:51:11,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:51:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 397 transitions. [2020-09-25 10:51:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 10:51:11,513 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:51:11,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:51:11,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:51:11,514 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:51:11,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:51:11,514 INFO L82 PathProgramCache]: Analyzing trace with hash -240911831, now seen corresponding path program 1 times [2020-09-25 10:51:11,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:51:11,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117408977] [2020-09-25 10:51:11,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:51:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:12,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:15,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:15,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 10:51:15,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:51:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4265 [2020-09-25 10:51:15,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:15,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 10:51:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 10:51:15,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 10:51:15,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:51:16,236 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:51:16,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:51:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:51:16,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 10:51:16,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 10:51:16,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:16,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:51:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:16,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:16,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:16,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:16,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:16,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:51:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:16,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:16,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:16,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:51:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:16,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:51:16,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:16,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:51:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:16,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:16,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:16,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:51:16,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:16,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:51:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:51:16,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:51:16,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:51:16,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:16,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 10:51:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:16,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:51:16,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:16,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:51:16,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:51:16,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 10:51:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:16,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:16,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:16,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 10:51:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:16,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:16,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:16,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:16,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:16,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:51:16,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:16,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:51:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:16,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:51:16,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117408977] [2020-09-25 10:51:16,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:51:16,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:51:16,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312114899] [2020-09-25 10:51:16,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:51:16,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:51:16,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:51:16,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:51:16,781 INFO L87 Difference]: Start difference. First operand 361 states and 397 transitions. Second operand 10 states. [2020-09-25 10:51:17,365 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:18,717 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:51:19,078 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:51:19,459 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:19,849 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:51:20,166 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:21,655 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:51:21,988 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:22,347 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:22,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:51:22,991 INFO L93 Difference]: Finished difference Result 1002 states and 1254 transitions. [2020-09-25 10:51:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 10:51:22,992 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2020-09-25 10:51:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:51:23,007 INFO L225 Difference]: With dead ends: 1002 [2020-09-25 10:51:23,007 INFO L226 Difference]: Without dead ends: 751 [2020-09-25 10:51:23,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 10:51:23,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-09-25 10:51:23,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 527. [2020-09-25 10:51:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-09-25 10:51:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 607 transitions. [2020-09-25 10:51:23,101 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 607 transitions. Word has length 161 [2020-09-25 10:51:23,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:51:23,102 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 607 transitions. [2020-09-25 10:51:23,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:51:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 607 transitions. [2020-09-25 10:51:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-09-25 10:51:23,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:51:23,108 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:51:23,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:51:23,108 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:51:23,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:51:23,109 INFO L82 PathProgramCache]: Analyzing trace with hash 984486308, now seen corresponding path program 1 times [2020-09-25 10:51:23,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:51:23,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202874940] [2020-09-25 10:51:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:51:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:23,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:23,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:23,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:24,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 10:51:28,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 10:51:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 10:51:28,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-09-25 10:51:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 10:51:28,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,614 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:51:28,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:51:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:51:28,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 10:51:28,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:51:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:28,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:28,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:28,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:51:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:28,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:28,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:28,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:28,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:51:28,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:51:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:28,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:28,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:51:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:28,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:28,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:28,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:51:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:51:28,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:51:28,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:51:28,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 10:51:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:28,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:28,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:51:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 10:51:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 10:51:28,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:51:28,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:28,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 10:51:28,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 10:51:28,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:28,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:28,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:28,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:28,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:28,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:28,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:28,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:28,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:28,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 10:51:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:28,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 10:51:29,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:51:29,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 10:51:29,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:51:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 10:51:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:51:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:29,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:51:29,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:29,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 10:51:29,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:51:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 10:51:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:51:29,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:51:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:29,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:51:29,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:29,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:51:29,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:51:29,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:51:29,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:51:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:29,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:51:29,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:29,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:51:29,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 10:51:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:29,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:51:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:51:29,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:29,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:29,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:51:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:29,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:29,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 10:51:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:29,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:29,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:29,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:29,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:29,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 10:51:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:29,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:29,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:29,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:29,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:29,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 10:51:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:29,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:29,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:29,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:29,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:29,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:29,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 10:51:29,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202874940] [2020-09-25 10:51:29,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:51:29,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 10:51:29,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289079873] [2020-09-25 10:51:29,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 10:51:29,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:51:29,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 10:51:29,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-25 10:51:29,289 INFO L87 Difference]: Start difference. First operand 527 states and 607 transitions. Second operand 12 states. [2020-09-25 10:51:30,172 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:31,131 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:31,459 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:51:31,788 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:32,148 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:51:32,452 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:51:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:51:34,580 INFO L93 Difference]: Finished difference Result 1400 states and 1844 transitions. [2020-09-25 10:51:34,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 10:51:34,582 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 241 [2020-09-25 10:51:34,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:51:34,595 INFO L225 Difference]: With dead ends: 1400 [2020-09-25 10:51:34,595 INFO L226 Difference]: Without dead ends: 983 [2020-09-25 10:51:34,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2020-09-25 10:51:34,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2020-09-25 10:51:34,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 519. [2020-09-25 10:51:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2020-09-25 10:51:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 585 transitions. [2020-09-25 10:51:34,730 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 585 transitions. Word has length 241 [2020-09-25 10:51:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:51:34,732 INFO L479 AbstractCegarLoop]: Abstraction has 519 states and 585 transitions. [2020-09-25 10:51:34,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 10:51:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 585 transitions. [2020-09-25 10:51:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 10:51:34,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:51:34,738 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:51:34,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:51:34,739 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:51:34,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:51:34,740 INFO L82 PathProgramCache]: Analyzing trace with hash 280021704, now seen corresponding path program 1 times [2020-09-25 10:51:34,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:51:34,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283103966] [2020-09-25 10:51:34,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:51:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:34,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:34,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:39,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:39,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-25 10:51:39,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:51:39,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 10:51:39,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:39,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-09-25 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:51:40,148 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:51:40,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:51:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:51:40,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 10:51:40,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:40,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:51:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:40,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:40,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:40,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:51:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:40,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:40,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:40,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:40,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:40,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:51:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:40,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:40,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:40,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:51:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:51:40,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:51:40,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:40,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:40,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:51:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:51:40,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:51:40,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:51:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:40,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 10:51:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:40,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:51:40,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:40,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:51:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:40,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 10:51:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 10:51:40,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:51:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 501 [2020-09-25 10:51:40,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 10:51:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-25 10:51:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 10:51:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:40,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:51:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:51:40,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:51:40,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:51:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:51:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:40,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:40,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:40,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:51:40,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:40,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:51:40,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:40,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:51:40,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:51:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:41,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:41,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:41,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:51:41,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 10:51:41,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:41,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 10:51:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 10:51:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:41,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:51:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:41,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:41,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:41,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:51:41,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:51:41,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:41,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 10:51:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 10:51:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:51:41,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:51:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:41,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:41,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:41,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:41,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:41,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:51:41,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:41,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:41,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:51:41,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:51:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:51:41,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 10:51:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:41,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:41,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:41,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:51:41,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:51:41,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:41,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:41,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:51:41,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:51:41,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:51:41,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:51:41,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 10:51:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:41,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:41,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:41,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:41,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:41,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:41,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:41,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:41,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:41,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:41,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:41,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:41,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 10:51:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:51:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:51:41,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:51:41,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:51:41,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:51:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:51:41,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:51:41,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:51:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:51:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:51:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:51:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:51:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 10:51:41,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283103966] [2020-09-25 10:51:41,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 10:51:41,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-25 10:51:41,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24402412] [2020-09-25 10:51:41,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 10:51:41,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:51:41,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 10:51:41,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-09-25 10:51:41,399 INFO L87 Difference]: Start difference. First operand 519 states and 585 transitions. Second operand 15 states. [2020-09-25 10:51:41,983 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:51:43,085 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:51:43,660 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:51:44,010 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:51:44,461 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188