/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:12:57,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:12:57,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:12:57,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:12:57,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:12:57,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:12:57,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:12:57,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:12:57,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:12:57,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:12:57,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:12:57,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:12:57,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:12:57,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:12:57,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:12:57,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:12:57,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:12:57,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:12:57,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:12:57,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:12:57,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:12:57,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:12:57,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:12:57,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:12:57,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:12:57,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:12:57,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:12:57,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:12:57,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:12:57,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:12:57,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:12:57,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:12:57,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:12:57,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:12:57,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:12:57,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:12:57,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:12:57,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:12:57,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:12:57,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:12:57,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:12:57,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:12:57,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:12:57,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:12:57,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:12:57,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:12:57,665 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:12:57,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:12:57,666 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:12:57,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:12:57,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:12:57,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:12:57,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:12:57,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:12:57,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:12:57,667 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:12:57,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:12:57,668 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:12:57,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:12:57,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:12:57,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:12:57,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:12:57,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:12:57,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:12:57,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:12:57,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:12:57,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:12:57,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:12:57,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:12:57,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:12:57,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:12:57,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:12:58,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:12:58,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:12:58,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:12:58,193 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:12:58,194 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:12:58,196 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-09-25 13:12:58,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c870b5cbd/16e2501cc40c46c1b1f74c39ebb17e2f/FLAGdcbc7ef08 [2020-09-25 13:12:58,867 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:12:58,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-09-25 13:12:58,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c870b5cbd/16e2501cc40c46c1b1f74c39ebb17e2f/FLAGdcbc7ef08 [2020-09-25 13:12:59,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c870b5cbd/16e2501cc40c46c1b1f74c39ebb17e2f [2020-09-25 13:12:59,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:12:59,142 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:12:59,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:12:59,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:12:59,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:12:59,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:12:59,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59, skipping insertion in model container [2020-09-25 13:12:59,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:12:59,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:12:59,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:12:59,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:12:59,799 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:12:59,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:12:59,915 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:12:59,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59 WrapperNode [2020-09-25 13:12:59,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:12:59,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:12:59,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:12:59,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:12:59,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:12:59,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:12:59,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:12:59,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:12:59,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:12:59,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:12:59,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (1/1) ... [2020-09-25 13:13:00,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:13:00,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:13:00,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:13:00,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:13:00,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:13:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:13:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:13:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 13:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 13:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:13:01,236 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:13:01,236 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:13:01,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:13:01 BoogieIcfgContainer [2020-09-25 13:13:01,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:13:01,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:13:01,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:13:01,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:13:01,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:12:59" (1/3) ... [2020-09-25 13:13:01,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4680bce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:13:01, skipping insertion in model container [2020-09-25 13:13:01,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:59" (2/3) ... [2020-09-25 13:13:01,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4680bce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:13:01, skipping insertion in model container [2020-09-25 13:13:01,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:13:01" (3/3) ... [2020-09-25 13:13:01,254 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-09-25 13:13:01,265 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:13:01,276 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:13:01,298 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:13:01,326 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:13:01,326 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:13:01,326 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:13:01,327 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:13:01,327 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:13:01,327 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:13:01,327 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:13:01,327 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:13:01,351 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-09-25 13:13:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 13:13:01,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:13:01,369 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 13:13:01,369 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:13:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:13:01,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1039821128, now seen corresponding path program 1 times [2020-09-25 13:13:01,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:13:01,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526899738] [2020-09-25 13:13:01,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:13:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:01,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:02,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:03,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:04,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:06,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:06,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 13:13:06,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:13:06,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 13:13:06,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:06,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:06,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:13:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:13:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 13:13:06,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:13:07,363 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:13:07,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:13:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:07,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:07,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:07,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:13:07,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:07,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-09-25 13:13:07,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:07,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:07,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:07,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:07,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:13:07,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:07,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:13:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:07,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:07,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:07,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:07,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:07,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:13:07,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:07,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:07,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:13:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:07,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:07,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:07,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:13:07,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:07,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:07,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:13:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:07,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:07,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:07,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:07,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:07,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 13:13:07,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:07,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:13:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:07,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:13:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:07,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:07,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:07,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:07,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:07,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:13:07,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:07,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:07,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:13:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:07,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:07,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:07,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:07,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:13:07,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:07,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:13:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:07,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:07,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:13:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:07,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:07,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:07,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:07,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:07,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:07,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:13:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:07,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:07,899 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 13:13:07,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526899738] [2020-09-25 13:13:07,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:13:07,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:13:07,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386869630] [2020-09-25 13:13:07,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:13:07,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:13:07,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:13:07,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:13:07,950 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 5 states. [2020-09-25 13:13:08,796 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:13:09,724 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:13:11,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:13:11,770 INFO L93 Difference]: Finished difference Result 685 states and 861 transitions. [2020-09-25 13:13:11,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:13:11,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-25 13:13:11,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:13:11,815 INFO L225 Difference]: With dead ends: 685 [2020-09-25 13:13:11,815 INFO L226 Difference]: Without dead ends: 503 [2020-09-25 13:13:11,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:13:11,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-09-25 13:13:11,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 416. [2020-09-25 13:13:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-25 13:13:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 471 transitions. [2020-09-25 13:13:12,004 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 471 transitions. Word has length 142 [2020-09-25 13:13:12,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:13:12,005 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 471 transitions. [2020-09-25 13:13:12,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:13:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 471 transitions. [2020-09-25 13:13:12,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 13:13:12,011 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:13:12,011 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] [2020-09-25 13:13:12,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:13:12,012 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:13:12,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:13:12,012 INFO L82 PathProgramCache]: Analyzing trace with hash 508835570, now seen corresponding path program 1 times [2020-09-25 13:13:12,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:13:12,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282856729] [2020-09-25 13:13:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:13:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:12,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:12,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:13,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 13:13:17,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:13:17,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 13:13:17,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:13:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:13:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 13:13:17,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,422 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:13:17,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:13:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:13:17,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-25 13:13:17,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:13:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:13:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:17,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:13:17,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:17,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:13:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:17,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:13:17,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:17,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:17,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:17,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:13:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:17,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:13:17,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:13:17,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:13:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:17,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:13:17,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 13:13:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:13:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:13:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:13:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:13:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:17,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:17,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:17,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:17,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:17,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:13:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:17,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:13:17,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:13:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:13:17,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:17,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:13:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:17,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:17,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:17,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:17,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:17,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:17,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:17,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:17,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:13:17,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:17,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:13:17,977 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 13:13:17,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282856729] [2020-09-25 13:13:17,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:13:17,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:13:17,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004062099] [2020-09-25 13:13:17,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:13:17,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:13:17,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:13:17,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:13:17,983 INFO L87 Difference]: Start difference. First operand 416 states and 471 transitions. Second operand 9 states. [2020-09-25 13:13:18,582 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:13:19,909 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:13:20,208 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:20,597 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:13:20,935 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:13:21,239 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:21,621 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:13:21,924 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:13:23,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:13:23,574 INFO L93 Difference]: Finished difference Result 1244 states and 1627 transitions. [2020-09-25 13:13:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 13:13:23,575 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 13:13:23,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:13:23,585 INFO L225 Difference]: With dead ends: 1244 [2020-09-25 13:13:23,585 INFO L226 Difference]: Without dead ends: 938 [2020-09-25 13:13:23,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-25 13:13:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2020-09-25 13:13:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 710. [2020-09-25 13:13:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2020-09-25 13:13:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 847 transitions. [2020-09-25 13:13:23,758 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 847 transitions. Word has length 151 [2020-09-25 13:13:23,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:13:23,759 INFO L479 AbstractCegarLoop]: Abstraction has 710 states and 847 transitions. [2020-09-25 13:13:23,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 13:13:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 847 transitions. [2020-09-25 13:13:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 13:13:23,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:13:23,763 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 13:13:23,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:13:23,764 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:13:23,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:13:23,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1968228625, now seen corresponding path program 1 times [2020-09-25 13:13:23,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:13:23,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114131147] [2020-09-25 13:13:23,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:13:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:23,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:23,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:24,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:28,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:28,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 13:13:28,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:13:28,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 13:13:28,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:28,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:28,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:13:28,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 13:13:28,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 13:13:28,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,222 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:13:29,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:13:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:13:29,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-25 13:13:29,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 13:13:29,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:13:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:13:29,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:29,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:13:29,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:13:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:29,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:13:29,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:29,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:29,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:13:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:29,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:13:29,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:13:29,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:13:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:29,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:13:29,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:13:29,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:29,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:13:29,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:13:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 13:13:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:13:29,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:13:29,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:29,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 13:13:29,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:29,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 13:13:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:13:29,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:29,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:13:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:29,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:13:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:29,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:29,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:29,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:13:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:29,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:29,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:13:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:13:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:29,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:29,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:29,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:29,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:29,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:29,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:13:29,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:29,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:29,722 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 13:13:29,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114131147] [2020-09-25 13:13:29,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:13:29,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:13:29,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192040554] [2020-09-25 13:13:29,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:13:29,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:13:29,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:13:29,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:13:29,724 INFO L87 Difference]: Start difference. First operand 710 states and 847 transitions. Second operand 6 states. [2020-09-25 13:13:30,187 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:13:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:13:30,991 INFO L93 Difference]: Finished difference Result 1016 states and 1276 transitions. [2020-09-25 13:13:30,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 13:13:30,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 13:13:30,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:13:30,994 INFO L225 Difference]: With dead ends: 1016 [2020-09-25 13:13:30,994 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:13:30,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:13:30,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:13:30,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:13:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:13:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:13:30,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-09-25 13:13:30,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:13:31,000 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:13:31,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:13:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:13:31,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:13:31,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:13:31,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:13:31,211 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:31,383 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:31,526 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 10 [2020-09-25 13:13:31,692 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:32,051 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:13:32,486 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:13:32,910 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:13:33,273 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:13:33,544 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-09-25 13:13:33,811 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-09-25 13:13:34,226 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:13:34,637 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:13:35,059 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:13:35,319 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-09-25 13:13:35,664 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:13:35,926 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-09-25 13:13:36,266 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:13:36,536 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-09-25 13:13:36,895 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:13:37,156 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-09-25 13:13:37,573 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:13:37,915 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:13:38,327 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:13:38,740 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 13:13:38,902 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:39,068 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:39,228 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:39,400 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 10 [2020-09-25 13:13:39,518 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 10 [2020-09-25 13:13:39,675 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:39,834 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:40,161 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2020-09-25 13:13:40,494 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2020-09-25 13:13:40,826 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2020-09-25 13:13:40,974 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:13:41,128 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:41,286 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:41,439 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:41,598 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:41,755 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:41,913 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:42,072 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:42,186 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 10 [2020-09-25 13:13:42,339 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:42,498 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:42,657 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:42,818 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:42,975 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:43,140 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:43,300 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:43,453 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:43,607 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:43,764 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:43,921 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:44,080 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:44,233 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:44,391 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:44,545 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:44,703 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:44,864 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:45,027 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:45,197 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:45,358 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:45,515 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:45,667 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:45,826 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:45,985 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:46,140 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:46,299 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:46,456 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:46,638 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:46,791 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:46,950 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:47,200 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:13:47,522 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 13:13:47,845 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 13:13:48,093 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:13:48,344 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:13:48,591 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:13:48,913 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 13:13:49,247 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 13:13:49,573 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 13:13:49,820 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:13:50,069 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:13:50,318 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:13:50,565 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:13:50,720 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:50,877 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:51,034 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:51,191 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:51,349 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:13:51,510 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:13:51,668 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:51,824 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:51,979 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189