/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=DEEPEST --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_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:37:53,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:37:53,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:37:53,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:37:53,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:37:53,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:37:53,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:37:53,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:37:53,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:37:53,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:37:53,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:37:53,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:37:53,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:37:53,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:37:53,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:37:53,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:37:53,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:37:53,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:37:53,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:37:53,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:37:53,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:37:53,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:37:53,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:37:53,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:37:53,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:37:53,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:37:53,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:37:53,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:37:53,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:37:53,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:37:53,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:37:53,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:37:53,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:37:53,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:37:53,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:37:53,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:37:53,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:37:53,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:37:53,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:37:53,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:37:53,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:37:53,945 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 00:37:53,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:37:53,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:37:53,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:37:53,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:37:53,986 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:37:53,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:37:53,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:37:53,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:37:53,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:37:53,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:37:53,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:37:53,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:37:53,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:37:53,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:37:53,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:37:53,988 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:37:53,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:37:53,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:37:53,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:37:53,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:37:53,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:37:53,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:37:53,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:37:53,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:37:53,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:37:53,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:37:53,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:37:53,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:37:53,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:37:53,991 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:37:54,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:37:54,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:37:54,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:37:54,455 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:37:54,455 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:37:54,456 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c [2020-09-25 00:37:54,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c47805fe8/c57581b2eb3a4f9b856f6340dcaec256/FLAGf0df97b55 [2020-09-25 00:37:55,171 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:37:55,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c [2020-09-25 00:37:55,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c47805fe8/c57581b2eb3a4f9b856f6340dcaec256/FLAGf0df97b55 [2020-09-25 00:37:55,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c47805fe8/c57581b2eb3a4f9b856f6340dcaec256 [2020-09-25 00:37:55,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:37:55,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:37:55,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:37:55,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:37:55,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:37:55,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:37:55" (1/1) ... [2020-09-25 00:37:55,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae19699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:55, skipping insertion in model container [2020-09-25 00:37:55,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:37:55" (1/1) ... [2020-09-25 00:37:55,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:37:55,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:37:55,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:37:56,014 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:37:56,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:37:56,186 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:37:56,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56 WrapperNode [2020-09-25 00:37:56,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:37:56,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:37:56,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:37:56,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:37:56,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (1/1) ... [2020-09-25 00:37:56,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (1/1) ... [2020-09-25 00:37:56,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (1/1) ... [2020-09-25 00:37:56,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (1/1) ... [2020-09-25 00:37:56,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (1/1) ... [2020-09-25 00:37:56,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (1/1) ... [2020-09-25 00:37:56,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (1/1) ... [2020-09-25 00:37:56,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:37:56,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:37:56,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:37:56,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:37:56,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (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 00:37:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:37:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:37:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:37:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:37:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:37:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:37:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:37:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:37:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:37:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:37:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:37:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:37:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:37:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:37:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:37:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:37:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:37:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:37:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:37:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:37:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:37:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 00:37:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:37:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:37:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:37:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:37:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:37:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:37:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:37:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:37:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 00:37:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:37:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:37:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:37:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:37:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:37:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:37:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:37:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:37:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:37:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:37:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:37:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:37:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:37:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:37:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:37:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:37:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:37:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:37:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:37:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:37:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:37:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:37:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:37:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:37:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:37:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:37:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:37:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:37:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:37:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:37:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:37:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:37:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:37:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 00:37:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:37:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:37:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:37:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:37:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:37:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:37:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:37:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:37:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:37:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:37:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:37:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 00:37:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:37:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:37:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:37:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:37:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:37:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:37:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:37:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:37:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:37:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:37:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:37:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:37:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:37:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:37:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:37:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:37:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:37:57,441 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:37:57,442 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:37:57,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:37:57 BoogieIcfgContainer [2020-09-25 00:37:57,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:37:57,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:37:57,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:37:57,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:37:57,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:37:55" (1/3) ... [2020-09-25 00:37:57,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dea1b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:37:57, skipping insertion in model container [2020-09-25 00:37:57,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:37:56" (2/3) ... [2020-09-25 00:37:57,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dea1b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:37:57, skipping insertion in model container [2020-09-25 00:37:57,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:37:57" (3/3) ... [2020-09-25 00:37:57,458 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product44.cil.c [2020-09-25 00:37:57,469 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:37:57,480 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:37:57,502 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:37:57,535 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:37:57,535 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:37:57,536 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:37:57,536 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:37:57,536 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:37:57,536 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:37:57,536 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:37:57,536 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:37:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states. [2020-09-25 00:37:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 00:37:57,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:37:57,585 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 00:37:57,586 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:37:57,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:37:57,594 INFO L82 PathProgramCache]: Analyzing trace with hash -382402386, now seen corresponding path program 1 times [2020-09-25 00:37:57,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:37:57,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090194986] [2020-09-25 00:37:57,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:37:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:37:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:58,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:37:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:00,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:01,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:02,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:02,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 00:38:02,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:38:02,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 00:38:02,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:38:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-25 00:38:02,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:38:02,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:38:03,401 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:38:03,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:38:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:03,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:03,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:03,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:38:03,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:03,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 00:38:03,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:03,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:03,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:03,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:03,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:03,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:38:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:03,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:03,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:03,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:03,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:03,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:03,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:03,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:38:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:03,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:03,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:03,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:03,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:03,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:03,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:03,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:38:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:03,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:03,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:03,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:03,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:03,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:03,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:03,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:03,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:38:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:03,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:03,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:03,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:03,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:03,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:03,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:03,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:03,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:38:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:03,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:03,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:03,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:03,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:03,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:03,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:03,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:03,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:38:03,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:03,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:38:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:03,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:03,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:03,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:03,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:03,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:38:03,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:38:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:38:03,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:03,728 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 00:38:03,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090194986] [2020-09-25 00:38:03,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:38:03,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:38:03,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141687839] [2020-09-25 00:38:03,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:38:03,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:38:03,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:38:03,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:38:03,760 INFO L87 Difference]: Start difference. First operand 308 states. Second operand 8 states. [2020-09-25 00:38:04,289 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:38:05,550 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:38:05,889 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:38:06,184 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:38:06,523 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:38:06,828 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:38:07,807 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:38:08,116 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:38:08,495 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:38:09,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:38:09,332 INFO L93 Difference]: Finished difference Result 595 states and 739 transitions. [2020-09-25 00:38:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:38:09,334 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 00:38:09,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:38:09,354 INFO L225 Difference]: With dead ends: 595 [2020-09-25 00:38:09,354 INFO L226 Difference]: Without dead ends: 398 [2020-09-25 00:38:09,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:38:09,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-09-25 00:38:09,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 353. [2020-09-25 00:38:09,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-09-25 00:38:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 403 transitions. [2020-09-25 00:38:09,493 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 403 transitions. Word has length 142 [2020-09-25 00:38:09,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:38:09,494 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 403 transitions. [2020-09-25 00:38:09,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:38:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 403 transitions. [2020-09-25 00:38:09,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-25 00:38:09,500 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:38:09,501 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] [2020-09-25 00:38:09,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:38:09,501 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:38:09,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:38:09,502 INFO L82 PathProgramCache]: Analyzing trace with hash 144004324, now seen corresponding path program 1 times [2020-09-25 00:38:09,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:38:09,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212123901] [2020-09-25 00:38:09,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:38:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:09,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:09,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:11,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:11,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:14,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:14,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-25 00:38:14,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:38:14,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 00:38:14,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:14,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 00:38:14,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-25 00:38:14,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 00:38:14,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:14,950 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:38:14,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:38:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:14,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:15,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:15,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:38:15,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-25 00:38:15,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:15,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:15,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:38:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:15,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:15,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:15,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:15,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:15,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:15,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:38:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:15,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:15,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:15,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:15,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:15,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:15,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:15,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:38:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:15,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:15,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:15,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:15,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:15,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:38:15,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:15,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:38:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:15,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:15,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:15,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:15,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:15,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:15,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:15,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:15,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 00:38:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:15,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:15,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:38:16,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:38:16,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 844 [2020-09-25 00:38:16,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:38:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:38:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:38:16,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:16,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:16,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:38:16,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:16,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 00:38:16,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:38:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:38:16,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:16,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:38:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:16,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:38:16,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:16,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:16,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:38:16,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:38:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:16,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:38:16,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:38:16,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:38:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:38:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:38:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:16,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:16,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:38:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:16,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:16,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:38:16,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:16,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:16,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:16,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:38:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:16,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:16,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:16,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:16,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:16,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 00:38:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:16,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:16,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:16,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:38:16,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:38:16,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:16,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:38:16,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:16,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 00:38:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:16,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:16,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:16,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:16,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:16,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:16,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:38:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:16,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:38:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 00:38:16,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212123901] [2020-09-25 00:38:16,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:38:16,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 00:38:16,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962752381] [2020-09-25 00:38:16,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 00:38:16,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:38:16,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 00:38:16,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-25 00:38:16,366 INFO L87 Difference]: Start difference. First operand 353 states and 403 transitions. Second operand 14 states. [2020-09-25 00:38:16,893 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:38:17,932 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:38:18,273 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:38:18,641 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:38:19,078 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:38:19,443 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:38:19,996 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:38:20,354 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:38:20,705 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:38:21,076 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:38:21,403 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:38:21,709 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:38:22,024 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:38:22,337 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:38:22,780 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:38:23,254 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:38:23,599 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:38:23,913 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:38:24,241 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:38:24,574 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:38:24,857 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:38:26,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:38:26,654 INFO L93 Difference]: Finished difference Result 974 states and 1288 transitions. [2020-09-25 00:38:26,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 00:38:26,655 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 198 [2020-09-25 00:38:26,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:38:26,667 INFO L225 Difference]: With dead ends: 974 [2020-09-25 00:38:26,667 INFO L226 Difference]: Without dead ends: 686 [2020-09-25 00:38:26,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=210, Invalid=1050, Unknown=0, NotChecked=0, Total=1260 [2020-09-25 00:38:26,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-09-25 00:38:26,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 571. [2020-09-25 00:38:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-09-25 00:38:26,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 655 transitions. [2020-09-25 00:38:26,803 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 655 transitions. Word has length 198 [2020-09-25 00:38:26,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:38:26,804 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 655 transitions. [2020-09-25 00:38:26,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 00:38:26,804 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 655 transitions. [2020-09-25 00:38:26,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-09-25 00:38:26,809 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:38:26,810 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2020-09-25 00:38:26,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:38:26,810 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:38:26,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:38:26,811 INFO L82 PathProgramCache]: Analyzing trace with hash -866886515, now seen corresponding path program 1 times [2020-09-25 00:38:26,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:38:26,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807843263] [2020-09-25 00:38:26,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:38:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:26,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:27,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:27,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:28,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:28,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:30,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:31,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:31,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-09-25 00:38:31,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 00:38:31,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 00:38:31,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:38:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 240 [2020-09-25 00:38:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:38:31,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,231 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:38:32,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:38:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:38:32,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 00:38:32,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:38:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:32,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:32,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:38:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:32,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:32,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:38:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:32,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:32,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:38:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:32,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:38:32,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:38:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:38:32,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:38:32,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:38:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:32,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:32,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 00:38:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:38:32,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:32,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:38:32,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:32,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:32,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:32,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 00:38:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:38:32,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:38:32,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:38:32,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:32,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:32,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:32,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 00:38:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:38:32,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 00:38:32,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:38:32,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:38:32,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:38:32,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:38:32,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:38:32,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:38:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:38:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:38:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:38:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:38:32,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:38:32,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:38:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:38:32,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:38:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:38:32,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:38:32,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:38:32,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:38:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:38:32,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:38:32,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:32,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:38:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:32,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:32,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:38:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:32,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:32,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-25 00:38:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:32,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:38:32,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:38:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-25 00:38:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:32,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:32,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:32,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:32,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:32,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:32,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:32,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:38:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-09-25 00:38:32,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807843263] [2020-09-25 00:38:32,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:38:32,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 00:38:32,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532325952] [2020-09-25 00:38:32,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 00:38:32,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:38:32,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 00:38:32,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:38:32,902 INFO L87 Difference]: Start difference. First operand 571 states and 655 transitions. Second operand 11 states. [2020-09-25 00:38:34,197 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:38:34,489 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:38:34,824 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:38:35,146 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:38:35,425 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:38:37,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:38:37,328 INFO L93 Difference]: Finished difference Result 1547 states and 2071 transitions. [2020-09-25 00:38:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 00:38:37,328 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 265 [2020-09-25 00:38:37,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:38:37,337 INFO L225 Difference]: With dead ends: 1547 [2020-09-25 00:38:37,337 INFO L226 Difference]: Without dead ends: 1086 [2020-09-25 00:38:37,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2020-09-25 00:38:37,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-09-25 00:38:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 583. [2020-09-25 00:38:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2020-09-25 00:38:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 667 transitions. [2020-09-25 00:38:37,424 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 667 transitions. Word has length 265 [2020-09-25 00:38:37,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:38:37,425 INFO L479 AbstractCegarLoop]: Abstraction has 583 states and 667 transitions. [2020-09-25 00:38:37,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 00:38:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 667 transitions. [2020-09-25 00:38:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 00:38:37,430 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:38:37,430 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 00:38:37,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:38:37,430 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:38:37,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:38:37,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1898830414, now seen corresponding path program 1 times [2020-09-25 00:38:37,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:38:37,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983652457] [2020-09-25 00:38:37,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:38:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:37,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:42,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:42,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-25 00:38:42,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:38:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 00:38:42,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 00:38:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-09-25 00:38:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 00:38:42,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:42,817 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:38:42,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:38:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:42,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:42,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:42,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:38:42,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:42,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 00:38:42,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:42,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:38:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:42,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:42,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:42,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:42,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:42,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:42,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:38:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:42,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:42,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:42,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:42,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:42,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:42,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:42,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:42,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:38:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:42,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:42,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:42,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:42,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:43,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:43,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:38:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:43,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:38:43,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:43,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:38:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:38:43,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:43,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:38:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:38:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:38:43,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:38:43,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 00:38:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:38:43,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-25 00:38:43,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 00:38:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-25 00:38:43,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 00:38:43,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:38:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:38:43,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:38:43,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:43,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:43,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:38:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:38:43,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:43,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:38:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:38:43,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 00:38:43,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 00:38:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 00:38:43,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:43,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:38:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:38:43,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 00:38:43,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 00:38:43,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 00:38:43,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:38:43,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:38:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:43,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:38:43,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:38:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:38:43,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:38:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:43,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:38:43,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:38:43,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 00:38:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:38:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:43,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 00:38:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:43,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:43,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:43,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:43,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:43,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:38:43,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:38:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:43,795 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 00:38:43,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983652457] [2020-09-25 00:38:43,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:38:43,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-25 00:38:43,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714370114] [2020-09-25 00:38:43,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 00:38:43,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:38:43,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 00:38:43,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:38:43,800 INFO L87 Difference]: Start difference. First operand 583 states and 667 transitions. Second operand 15 states. [2020-09-25 00:38:44,476 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186