/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:50:40,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:50:40,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:50:40,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:50:40,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:50:40,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:50:40,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:50:40,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:50:40,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:50:40,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:50:40,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:50:40,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:50:40,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:50:40,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:50:40,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:50:40,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:50:40,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:50:40,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:50:40,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:50:40,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:50:40,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:50:40,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:50:40,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:50:40,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:50:40,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:50:40,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:50:40,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:50:40,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:50:40,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:50:40,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:50:40,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:50:40,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:50:40,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:50:40,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:50:40,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:50:40,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:50:40,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:50:40,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:50:40,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:50:40,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:50:40,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:50:40,540 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 09:50:40,566 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:50:40,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:50:40,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:50:40,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:50:40,568 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:50:40,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:50:40,569 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:50:40,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:50:40,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:50:40,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:50:40,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:50:40,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:50:40,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:50:40,570 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:50:40,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:50:40,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:50:40,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:50:40,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:50:40,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:50:40,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:50:40,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:50:40,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:50:40,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:50:40,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:50:40,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:50:40,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:50:40,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:50:40,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:50:40,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:50:40,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:50:41,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:50:41,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:50:41,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:50:41,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:50:41,111 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:50:41,112 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-09-25 09:50:41,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db9bb57e4/cd34ddc8b1ab4b1881b29aed43001840/FLAG3df451998 [2020-09-25 09:50:41,795 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:50:41,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-09-25 09:50:41,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db9bb57e4/cd34ddc8b1ab4b1881b29aed43001840/FLAG3df451998 [2020-09-25 09:50:42,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db9bb57e4/cd34ddc8b1ab4b1881b29aed43001840 [2020-09-25 09:50:42,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:50:42,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:50:42,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:50:42,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:50:42,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:50:42,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42, skipping insertion in model container [2020-09-25 09:50:42,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:50:42,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:50:42,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:50:42,707 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:50:42,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:50:42,855 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:50:42,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42 WrapperNode [2020-09-25 09:50:42,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:50:42,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:50:42,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:50:42,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:50:42,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (1/1) ... [2020-09-25 09:50:42,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:50:42,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:50:42,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:50:42,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:50:42,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (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 09:50:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:50:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:50:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:50:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:50:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:50:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:50:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:50:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:50:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:50:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:50:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:50:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:50:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:50:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:50:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:50:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:50:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:50:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:50:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:50:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:50:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:50:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:50:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:50:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:50:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:50:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:50:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:50:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:50:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:50:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:50:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:50:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:50:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:50:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:50:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:50:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:50:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:50:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:50:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:50:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:50:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:50:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:50:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:50:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:50:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:50:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:50:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:50:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:50:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:50:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:50:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:50:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:50:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:50:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:50:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:50:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:50:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:50:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:50:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:50:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:50:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:50:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:50:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:50:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:50:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:50:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:50:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:50:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:50:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:50:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:50:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:50:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:50:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:50:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:50:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:50:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:50:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:50:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:50:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:50:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:50:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:50:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:50:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:50:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:50:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:50:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:50:44,174 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:50:44,174 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:50:44,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:50:44 BoogieIcfgContainer [2020-09-25 09:50:44,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:50:44,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:50:44,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:50:44,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:50:44,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:50:42" (1/3) ... [2020-09-25 09:50:44,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b25e98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:50:44, skipping insertion in model container [2020-09-25 09:50:44,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:42" (2/3) ... [2020-09-25 09:50:44,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b25e98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:50:44, skipping insertion in model container [2020-09-25 09:50:44,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:50:44" (3/3) ... [2020-09-25 09:50:44,192 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-09-25 09:50:44,203 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:50:44,214 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:50:44,237 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:50:44,271 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:50:44,271 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:50:44,271 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:50:44,271 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:50:44,271 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:50:44,272 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:50:44,272 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:50:44,272 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:50:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states. [2020-09-25 09:50:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:50:44,317 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:50:44,318 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 09:50:44,319 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:50:44,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:50:44,326 INFO L82 PathProgramCache]: Analyzing trace with hash -662698620, now seen corresponding path program 1 times [2020-09-25 09:50:44,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:50:44,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066342227] [2020-09-25 09:50:44,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:50:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:44,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:46,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:47,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:49,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:50:49,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:50:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 09:50:49,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:49,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:50:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:50:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 09:50:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:50:50,200 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:50:50,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:50:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:50,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:50,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:50,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:50:50,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:50,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-25 09:50:50,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:50,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:50,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:50,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:50:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:50:50,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:50:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:50,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:50,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:50,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:50,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:50,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:50:50,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:50,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:50,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:50,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:50:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:50,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:50,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:50,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:50,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:50,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:50:50,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:50,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:50,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:50,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:50,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:50,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:50,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:50:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:50,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:50,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:50,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:50,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:50,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:50:50,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:50,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:50,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:50,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:50,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:50,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:50,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:50:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:50,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:50,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:50,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:50,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:50,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:50:50,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:50,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:50,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:50,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:50,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:50,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:50,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:50:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:50,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:50,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:50,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:50,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:50:50,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:50,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:50:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:50,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:50:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:50,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:50,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:50,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:50:50,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:50,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:50,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:50,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:50,866 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 09:50:50,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066342227] [2020-09-25 09:50:50,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:50:50,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:50:50,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218269550] [2020-09-25 09:50:50,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:50:50,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:50:50,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:50:50,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:50:50,900 INFO L87 Difference]: Start difference. First operand 273 states. Second operand 8 states. [2020-09-25 09:50:51,547 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:50:52,802 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 09:50:53,415 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 09:50:53,837 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:50:54,228 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:50:54,537 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:50:54,878 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:50:55,203 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:50:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:50:56,792 INFO L93 Difference]: Finished difference Result 534 states and 657 transitions. [2020-09-25 09:50:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 09:50:56,794 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:50:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:50:56,818 INFO L225 Difference]: With dead ends: 534 [2020-09-25 09:50:56,819 INFO L226 Difference]: Without dead ends: 372 [2020-09-25 09:50:56,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:50:56,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-09-25 09:50:56,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 330. [2020-09-25 09:50:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-09-25 09:50:56,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 368 transitions. [2020-09-25 09:50:56,993 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 368 transitions. Word has length 142 [2020-09-25 09:50:56,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:50:56,994 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 368 transitions. [2020-09-25 09:50:56,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:50:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 368 transitions. [2020-09-25 09:50:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 09:50:57,002 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:50:57,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:50:57,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:50:57,003 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:50:57,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:50:57,004 INFO L82 PathProgramCache]: Analyzing trace with hash 604809301, now seen corresponding path program 1 times [2020-09-25 09:50:57,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:50:57,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700010913] [2020-09-25 09:50:57,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:50:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:57,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:57,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 09:51:02,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:51:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 09:51:02,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:51:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:51:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 09:51:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,380 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:02,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:02,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 09:51:02,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:51:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:02,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:02,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:02,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:02,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:02,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:02,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:02,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:51:02,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:02,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:02,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:02,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:02,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:02,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:02,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 09:51:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:02,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:02,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:51:02,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:51:02,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 09:51:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:02,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:02,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:02,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 09:51:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:02,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:02,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:02,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:02,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:02,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:02,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:02,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:02,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:02,840 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 09:51:02,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700010913] [2020-09-25 09:51:02,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:02,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 09:51:02,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184634685] [2020-09-25 09:51:02,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 09:51:02,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:02,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 09:51:02,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 09:51:02,851 INFO L87 Difference]: Start difference. First operand 330 states and 368 transitions. Second operand 5 states. [2020-09-25 09:51:03,341 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:04,545 INFO L93 Difference]: Finished difference Result 601 states and 723 transitions. [2020-09-25 09:51:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 09:51:04,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 09:51:04,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:04,553 INFO L225 Difference]: With dead ends: 601 [2020-09-25 09:51:04,554 INFO L226 Difference]: Without dead ends: 381 [2020-09-25 09:51:04,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:51:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-09-25 09:51:04,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 328. [2020-09-25 09:51:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 09:51:04,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 362 transitions. [2020-09-25 09:51:04,616 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 362 transitions. Word has length 148 [2020-09-25 09:51:04,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:04,617 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 362 transitions. [2020-09-25 09:51:04,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 09:51:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 362 transitions. [2020-09-25 09:51:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 09:51:04,621 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:04,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:51:04,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:51:04,621 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:04,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:04,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1031624844, now seen corresponding path program 1 times [2020-09-25 09:51:04,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:04,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311597294] [2020-09-25 09:51:04,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:04,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:04,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:04,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:09,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 09:51:09,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:51:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 09:51:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:09,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:51:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:51:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-25 09:51:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:10,095 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:10,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:10,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-09-25 09:51:10,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:51:10,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:10,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:10,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:10,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:10,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:10,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:10,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:10,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:51:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:10,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:10,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:10,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:10,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 09:51:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:10,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:51:10,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:10,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:51:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:10,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 09:51:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:51:10,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:10,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:10,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 09:51:10,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:10,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:51:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:10,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:10,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:51:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:10,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:10,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:10,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:51:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:10,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:10,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:10,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:10,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:10,612 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 09:51:10,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311597294] [2020-09-25 09:51:10,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:10,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 09:51:10,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485391287] [2020-09-25 09:51:10,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 09:51:10,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:10,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 09:51:10,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:51:10,615 INFO L87 Difference]: Start difference. First operand 328 states and 362 transitions. Second operand 6 states. [2020-09-25 09:51:11,190 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:12,101 INFO L93 Difference]: Finished difference Result 508 states and 589 transitions. [2020-09-25 09:51:12,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 09:51:12,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 09:51:12,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:12,105 INFO L225 Difference]: With dead ends: 508 [2020-09-25 09:51:12,106 INFO L226 Difference]: Without dead ends: 279 [2020-09-25 09:51:12,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:51:12,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-09-25 09:51:12,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 255. [2020-09-25 09:51:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-25 09:51:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 270 transitions. [2020-09-25 09:51:12,158 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 270 transitions. Word has length 156 [2020-09-25 09:51:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:12,158 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 270 transitions. [2020-09-25 09:51:12,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 09:51:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 270 transitions. [2020-09-25 09:51:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 09:51:12,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:12,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:51:12,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:51:12,164 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:12,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1094844843, now seen corresponding path program 1 times [2020-09-25 09:51:12,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:12,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957615830] [2020-09-25 09:51:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:12,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:13,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:13,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:14,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 09:51:17,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:51:17,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 09:51:17,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:51:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:51:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 09:51:17,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,593 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:17,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:17,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-09-25 09:51:17,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:51:17,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:17,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:17,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:17,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:17,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:17,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:17,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:17,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:17,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:51:17,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:17,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:17,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:17,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:17,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 09:51:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:17,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:51:17,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:51:17,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:51:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:51:17,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:51:17,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:51:17,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 09:51:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:51:17,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:51:17,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:51:17,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:51:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:51:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:51:17,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:17,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:51:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:17,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:17,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:18,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 09:51:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:18,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:18,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:18,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:18,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:18,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:18,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:18,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 09:51:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:18,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:18,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:18,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:18,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:51:18,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:51:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:18,142 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 09:51:18,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957615830] [2020-09-25 09:51:18,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:18,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 09:51:18,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711815258] [2020-09-25 09:51:18,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 09:51:18,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:18,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 09:51:18,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:51:18,145 INFO L87 Difference]: Start difference. First operand 255 states and 270 transitions. Second operand 11 states. [2020-09-25 09:51:18,721 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:20,272 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-25 09:51:20,923 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-25 09:51:21,263 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:21,607 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:21,932 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:22,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:22,308 INFO L93 Difference]: Finished difference Result 326 states and 367 transitions. [2020-09-25 09:51:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 09:51:22,309 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 169 [2020-09-25 09:51:22,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:22,310 INFO L225 Difference]: With dead ends: 326 [2020-09-25 09:51:22,311 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 09:51:22,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2020-09-25 09:51:22,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 09:51:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 09:51:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 09:51:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 09:51:22,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-09-25 09:51:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:22,313 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 09:51:22,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 09:51:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 09:51:22,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 09:51:22,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:51:22,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 09:51:22,520 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:22,696 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:23,011 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 19 [2020-09-25 09:51:23,288 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 09:51:23,577 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:51:23,838 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 09:51:24,108 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:51:24,277 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:24,458 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:24,628 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:24,791 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:24,968 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:25,132 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:25,299 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:25,469 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:25,628 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:25,768 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:25,930 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:26,087 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:26,255 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:26,420 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:26,577 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:26,739 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:26,898 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:27,061 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:27,218 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:27,376 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:27,543 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:27,706 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:27,870 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:28,033 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:28,206 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:28,374 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:28,536 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:28,694 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:28,852 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:29,014 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:29,176 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:29,339 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:29,500 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:29,659 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:29,817 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:29,976 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190